SEA - IAH

C$ 163 Find Cheap Flights from Seattle to Houston George Bush Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Houston departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Houston George Bush Intcntl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Houston, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 349
Overall average: C$ 502
Multiple Airlines
Mon 16/3Thu 26/3
SEA - IAH • 1 stop
Cheapest direct flights
C$ 352
Typical prices: C$ 458-C$ 707
Alaska Airlines
Sat 28/3Tue 31/3
SEA - IAH • Direct
Our travellers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Alaska's Premium Class includes extra legroom and drinks.
United's Economy Plus adds up to 15 cm more legroom.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Alaska Airlines
Cheapest • from C$ 352 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 32% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Houston!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Seattle to Houston (SEA-IAH)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Houston

Mon, 16 Mar - Thu, 26 Mar
Multiple Airlines Logo
5:48 p.m. - 5:52 a.m.
SEA
-
IAH
10h 04m
1 stop
Multiple Airlines Logo
7:00 a.m. - 9:57 a.m.
IAH
-
SEA
4h 57mdirect
C$ 349Multiple Airlines
Sat, 28 Mar - Tue, 31 Mar
Alaska Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Alaska Airlines Logo
7:00 a.m. - 9:57 a.m.
IAH
-
SEA
4h 57mdirect
C$ 352Alaska Airlines
Mon, 23 Mar - Tue, 31 Mar
Multiple Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Multiple Airlines Logo
6:02 p.m. - 4:44 p.m.
IAH
-
SEA
24h 42m
1 stop
C$ 354Multiple Airlines
Sat, 7 Mar - Tue, 10 Mar
United Airlines Logo
2:15 p.m. - 8:40 p.m.
SEA
-
IAH
4h 25mdirect
United Airlines Logo
4:25 p.m. - 7:25 p.m.
IAH
-
SEA
5h 00mdirect
C$ 357United Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
9:36 p.m. - 3:09 p.m.
SEA
-
IAH
15h 33m
1 stop
Multiple Airlines Logo
6:02 p.m. - 5:09 p.m.
IAH
-
SEA
25h 07m
1 stop
C$ 360Multiple Airlines
Wed, 25 Feb - Tue, 3 Mar
United Airlines Logo
6:45 a.m. - 1:07 p.m.
SEA
-
IAH
4h 22mdirect
United Airlines Logo
7:57 p.m. - 11:00 p.m.
IAH
-
SEA
5h 03mdirect
C$ 361United Airlines
Mon, 23 Mar - Tue, 31 Mar
Alaska Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Alaska Airlines Logo
4:51 p.m. - 7:48 p.m.
IAH
-
SEA
4h 57mdirect
C$ 364Alaska Airlines
Sat, 28 Mar - Fri, 3 Apr
Alaska Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Alaska Airlines Logo
4:51 p.m. - 7:48 p.m.
IAH
-
SEA
4h 57mdirect
C$ 365Alaska Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
9:36 p.m. - 3:09 p.m.
SEA
-
IAH
15h 33m
1 stop
Multiple Airlines Logo
6:45 a.m. - 8:21 p.m.
IAH
-
SEA
15h 36m
2 stops
C$ 367Multiple Airlines
Sun, 22 Mar - Mon, 30 Mar
Frontier Logo
10:08 p.m. - 9:42 a.m.
SEA
-
IAH
9h 34m
1 stop
Frontier Logo
6:45 a.m. - 11:19 a.m.
IAH
-
SEA
6h 34m
1 stop
C$ 368Frontier
Booking Insights

KAYAK's insights & trends for Seattle to Houston flights

Get data-powered insights and trends into flights from Seattle to Houston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Houston George Bush Airport?

The average price of all round-trip flights from Seattle to Houston George Bush Intcntl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Seattle to Houston George Bush Airport, you should consider leaving on a Saturday and avoid Tuesdays if you are looking for the best rates. For your return to Seattle, you’ll find the best rates on Thursdays and the most expensive ones on Fridays.

What is the cheapest month to fly from Seattle to Houston George Bush Intcntl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Houston George Bush Intcntl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Houston George Bush Intcntl Airport is September, where tickets cost C$ 352 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is C$ 702 and C$ 568 respectively.

Can I save money by flying with a layover from Seattle to Houston George Bush Intcntl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 392 on average.

How far in advance should I book a flight from Seattle to Houston George Bush Intcntl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Houston George Bush Intcntl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Houston George Bush Intcntl Airport, you should book around 4 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Expert advice

Expert advice for your flight from Seattle to Houston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonJanuary
Cheapest flightC$ 163
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Seattle to Houston George Bush Airport

When to book flights from Seattle to Houston

Are your dates flexible? Find out the best times to travel from Seattle to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seattle to Houston George Bush Airport flights

  • What is the cheapest flight from Seattle to Houston George Bush Intcntl Airport?

    In the last 3 days, the lowest price for a flight from Seattle to Houston George Bush Intcntl Airport was C$ 163 for a one-way ticket and C$ 349 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Houston George Bush Airport?

    All the following airlines offer inflight Wi-Fi service on the Seattle to Houston George Bush Airport flight route: Alaska Airlines, Delta, American Airlines, Aeromexico, JetBlue, and Lufthansa.

  • Which aircraft models fly most regularly from Seattle to Houston George Bush Airport?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Seattle to Houston George Bush Airport flight route.

  • Which airline alliances offer flights from Seattle to Houston George Bush Airport?

    oneworld is the only airline alliance operating flights between Seattle and Houston George Bush Airport.

  • On which days can I fly direct from Seattle to Houston George Bush Airport?

    There are direct flights from Seattle to Houston George Bush Airport on a daily basis.

  • Which is the best airline for flights from Seattle to Houston, Alaska Airlines or Frontier?

    The two airlines most popular with KAYAK users for flights from Seattle to Houston are Alaska Airlines and Frontier. With an average price for the route of C$ 514 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Frontier is also a great choice for the route, with an average price of C$ 421 and an overall rating of 5.7.

  • How does KAYAK find such low prices on flights from Seattle to Houston George Bush Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Houston George Bush Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Houston George Bush Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston George Bush Airport from Seattle is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Houston George Bush Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston George Bush Airport with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Houston George Bush Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston George Bush Airport from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Houston George Bush Intcntl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 225 or less one-way and C$ 458 or less round-trip.

Prefer to fly direct from Seattle to Houston George Bush Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to Houston George Bush Intcntl.
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Houston George Bush Intcntl

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more nonstop flights

Direct returns

Houston George Bush Intcntl to Seattle/Tacoma Intl

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more nonstop flights

Reviews of the top airlines flying from Seattle to Houston

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Houston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Houston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11843 reviews
7.1Food
7.8Comfort
7.0Entertainment
8.5Crew
8.1Boarding
Airline reviews

Great experience, staff and crew were very professional, friendly and helpful!

10.0 ExcellentAnonymous, Feb 2026
SEA - SFO
Read more Alaska Airlines reviews

Great experience, staff and crew were very professional, friendly and helpful!

I think Alaska should start including free meals on these longer trips.

Wheelchair assistance was excellent. I had a saver fare, but was given a seat in Premium. So very nice!! Extra legroom, complimentary beer. The flight crew was very nice and efficient. The gate agent in Seattle double checked to make sure I was able to board the plane all right while using my cane. I boarded first. So considerate! The flight was smooth, and right on time.

There is nothing critical to complain about but I would say the snacks are pretty bad Airline staff could be aggressive the way they move through the aisles and the plane I also got hustled for a small wallet size men bag and force the consolidated with my carry on item we're talking about a wallet size bag.

Departed on time and had an efficient boarding process. The inflight wifi was not working on one of the flights.

How can I review what was denied to me. Instead of offering to let me pay for the ticket I got booted of my flight with no way home and no choice but to purchase another ticket for 12 hours later. Filing a complaint with the DOT

From Las Vegas to Boise all went well. However, our flight was delayed in Boise and I missed my connecting flight from Seattle to Pasco. Moreover, the last flight to Pasco was full and I was booked on the 11:30 flight Sunday and given a hotel accommodation. However, I was scheduled to deliver the Sunday morning service at my church and needed to arrive no later than 10:00. Therefore, I booked a Delta flight scheduled to arrive in Pasco at 23:09. My piece of luggage checked in Las Vegas arrived in Pasco earlier today. I waited at the airport for over an hour last night to speak with an Alaska agent to no avail. I went back after church this morning in search of my piece of luggage and it could not be located. After waiting for 40 minutes to speak to the agent authorized to take my claim, he announced that he was closing the counter to assist on the flight line but not before providing me with a telephone number that would help me with filing my claim. Before I was able to make the call (due to other factors) I received a call from Alaska agent informing me that my luggage had just arrived and I am now waiting for it to be delivered. I deliberately took the more complicated route home to ensure that I would be home in plenty of time to prepare for myself for the Sunday service and accommodate my relatives’ needs. I believe the airport is undermanned given the number of flights coming in and going out. It was fiasco last night with three flights waiting for luggage and another flight landing within minutes. Today’s problems stemmed from a lack of cross training and a serious amount of cargo/baggage going out and too few people scheduled to cover.

The cabin crew was absolutely wonderful, the service was great and it was just a good flight overall.

I like them since I live in Alaska and I don't have much choice

The flight attendants were nice, but the cabin and seats were uncomfortable.

There was no food and no entertainment, so I'm not sure why these are even in the survey, as my understanding is frontier does not ever offer food without a few, not even a snack, and there are no screens so unless the flight safety talk is our entertainment why ask how we liked it?. One of the flight attendants say in the back of the plane as people filed in to their seats, yelling orders about where to put baggage and telling people to hurry up. It was the least professional experience I've ever had on a flight.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

Good for a budget airline! It was easy to get on, staff was really nice. Can’t say anything about the food or entertainment because it wasn’t available, which is fine.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

It was ok. It was expensive to check 2 bags ($75.00 per bag), and then it took a long time to wait for shuttle to take us from one terminal to the terminal where the plane was taking off at LAX. And all of this for a flight where we had to pay for any food or drink that was not water.

It didn’t happen. I booked it and then was told it wasn’t available and then forced to pay far higher prices for a worse option

A 630departure flight Delayed 6hours! They changed my gate, I moved to the new gate. Had our flight on the screen for 12noon departure. I go get above to eat, check screen again and the flight was gone, no notice no announcement, nothing!! They sent my bag on the flight I wasn’t on, got it back to me 3days later. Thank goodness they did refund my money but I will NEVER fly them again.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

Plane and crew on board were fine. Everything else was terrible.

Everything you need to know for your flight from Seattle to Houston

Information on your arrival and departure airports