YOW - IAH

C$ 257 Find Cheap Flights from Ottawa to Houston George Bush Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 443
Typical prices: C$ 690-C$ 1,036
Multiple Airlines
Sun 11/11Sat 17/11
YOW - IAH • 2 stops
Cheapest one-way flights
C$ 257
Typical prices: C$ 435-C$ 633
Multiple Airlines
Thu 13/12
YOW - IAH • 1 stop
Direct flights
Not available
There are currently no direct flights between Ottawa and Houston George Bush Intcntl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 67% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 33% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg C$ 517 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 6h 26m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Houston George Bush Intcntl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ottawa to George Bush Intcntl (YOW-IAH)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to George Bush Intcntl

Wed, 11 Nov - Tue, 17 Nov
Multiple Airlines Logo
5:30 a.m. - 2:44 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
34h 14m2 stops Toronto Pearson Intl Fort Lauderdale
Multiple Airlines Logo
8:18 a.m. - 5:24 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
8h 06m1 stop Fort Lauderdale
C$ 443Multiple Airlines
2 days ago
Tue, 1 Dec - Mon, 7 Dec
Multiple Airlines Logo
8:00 a.m. - 10:11 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
27h 11m1 stop Orlando
Multiple Airlines Logo
9:38 p.m. - 2:32 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
39h 54m2 stops Atlanta Hartsfield-Jackson Newark
C$ 457Multiple Airlines
3+ days ago
Sun, 22 Nov - Wed, 25 Nov
Multiple Airlines Logo
7:00 a.m. - 12:25 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
18h 25m2 stops Toronto Pearson Intl Orlando
Multiple Airlines Logo
5:26 p.m. - 5:24 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
22h 58m1 stop Fort Lauderdale
C$ 510Multiple Airlines
3+ days ago
Fri, 22 Jan - Sun, 24 Jan
Multiple Airlines Logo
7:05 a.m. - 2:32 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
8h 27m1 stop Fort Lauderdale
Multiple Airlines Logo
8:50 p.m. - 2:30 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
16h 40m2 stops Atlanta Hartsfield-Jackson Newark
C$ 527Multiple Airlines
3+ days ago
Wed, 3 Mar - Tue, 9 Mar
United Airlines Logo
3:10 p.m. - 8:37 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
18h 27m2 stops Newark Fort Lauderdale
United Airlines Logo
6:25 p.m. - 3:12 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
19h 47m2 stops Fort Lauderdale Washington, D.C. Dulles Intl
C$ 880United Airlines
2 days ago
Tue, 2 Mar - Sat, 6 Mar
United Airlines Logo
3:10 p.m. - 8:33 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
18h 23m2 stops Newark Fort Lauderdale
United Airlines Logo
5:00 a.m. - 2:28 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
8h 28m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National
C$ 891United Airlines
2 days ago
Tue, 2 Mar - Sat, 6 Mar
United Airlines Logo
3:10 p.m. - 8:33 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
18h 23m2 stops Newark Fort Lauderdale
United Airlines Logo
10:05 p.m. - 2:18 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
15h 13m1 stop Chicago O'Hare Intl
C$ 891United Airlines
2 days ago
Wed, 3 Mar - Tue, 9 Mar
Air Canada Logo
2:55 p.m. - 9:26 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
7h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:00 p.m. - 6:40 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
5h 40m1 stop Toronto Pearson Intl
C$ 912Air Canada
2 days ago
Fri, 27 Nov - Wed, 2 Dec
Air Canada Logo
5:10 a.m. - 10:58 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
6h 48m1 stop Toronto Pearson Intl
Air Canada Logo
11:55 a.m. - 6:45 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
5h 50m1 stop Toronto Pearson Intl
C$ 1,010Air Canada
1 day ago
Thu, 26 Nov - Mon, 30 Nov
Air Canada Logo
7:50 a.m. - 6:49 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
11h 59m1 stop Calgary
Air Canada Logo
6:20 p.m. - 1:40 a.m.IAH  Houston George Bush Intcntl-YOW Ottawa
6h 20m1 stop Toronto Pearson Intl
C$ 1,010Air Canada
1 day ago
Booking Insights

Price, demand, and travel trends for Ottawa to Houston George Bush Intcntl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Ottawa to Houston George Bush Intcntl Airport?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Ottawa to Houston George Bush Intcntl Airport. It's 4% cheaper than the average day, while Sunday is the most expensive, with prices 7% higher.

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

•September is the cheapest month to fly from Ottawa to Houston George Bush Intcntl Airport at C$ 592 round-trip.
•July (C$ 979) and October (C$ 965) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ottawa to Houston George Bush Intcntl Airport the cheapest?

Flights from Ottawa to Houston George Bush Intcntl Airport are cheapest 24 weeks before departure. Booking in this window typically costs about 67% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Ottawa to Houston George Bush Intcntl Airport flights

Low season

October

Cheapest flight

C$ 257
Beat the crowds with an average 24% drop in traveller numbers.
The most popular month to fly with an average 23% increase in traveller numbers.
One-way flight from Ottawa to Houston George Bush Intcntl Airport

When to book flights from Ottawa to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from Ottawa to George Bush Intcntl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ottawa to Houston George Bush Intcntl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Ottawa to Houston George Bush Intcntl Airport?

    Two cabin classes are available on flights from Ottawa to Houston George Bush Intcntl Airport:

    • Economy Class
    • Business Class

  • How long does a flight from Ottawa to Houston George Bush Intcntl Airport take?

    A direct flight from Ottawa to Houston George Bush Intcntl Airport takes 00m, covering 3,888 km.

  • Do I need a passport to fly from Ottawa to Houston George Bush Intcntl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Ottawa to Houston George Bush Intcntl Airport flight?

    Round-trip flights from Ottawa to Houston George Bush Intcntl Airport range from C$ 690 to C$ 1,036, with an average of C$ 889 over the past 12 months. Anything below C$ 690 counts as a good deal.

  • How expensive are last-minute Ottawa to Houston George Bush Intcntl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 29% above the C$ 889 route average. Book 24 weeks before departure for the lowest fares.

  • Have flight prices from Ottawa to Houston George Bush Intcntl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 443 to C$ 1,856. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Ottawa to Houston George Bush Intcntl Airport looking right now?

    One-way fares from Ottawa to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about C$ 371, which is 30% below the typical average for this route.

  • What car rental options are available at Houston George Bush Intcntl Airport (IAH)?

    Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates averaging C$ 56 for economy cars. Top options include:

    • ACO Rent A Car
    • Easirent
    • America Car Rental
    • Thrifty
    • Hertz

  • Which airports can I use when flying from Ottawa to Houston George Bush Intcntl Airport?

    Flights from Ottawa to Houston George Bush Intcntl Airport usually depart from Ottawa (YOW) and arrive at Houston George Bush Intcntl (IAH).

  • Which airports do connecting flights from Ottawa to Houston George Bush Intcntl Airport pass through?

    One-stop flights from Ottawa to Houston George Bush Intcntl Airport most commonly connect through:

    • Toronto Pearson Intl (YYZ) – 49% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 13% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 10% of one-stop connections
    • Orlando (MCO) – 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Ottawa to Houston George Bush Intcntl Airport?

    Yes. Flexible dates can save you up to 11% on flights from Ottawa to Houston George Bush Intcntl Airport. Monday is the cheapest departure day at C$ 857 round-trip on average, while Sunday is the most expensive at C$ 955, a difference of C$ 98.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport when travelling from Ottawa to Houston George Bush Intcntl Airport?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 6h 26m, compared with 6h 27m via Washington, D.C. Reagan-National (DCA) and 6h 32m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Ottawa and Houston George Bush Intcntl Airport?

    Houston George Bush Intcntl Airport is 1 hour behind Ottawa (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in Houston George Bush Intcntl Airport?

    Some of the most popular sights in Houston George Bush Intcntl Airport are Houston Stadium, George R. Brown Convention Center, and Daikin Park. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

Your guide to booking Ottawa to Houston George Bush Intcntl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average C$ 857, about C$ 98 less than Sunday fares (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 67% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ottawa to Houston George Bush Intcntl Airport trip for September. Fares historically average C$ 592 round-trip in that month – typically C$ 387 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Houston George Bush Intcntl Airport.

    • Houston Airport Marriott at George Bush Intercontinental

More options for your flight from Ottawa to George Bush Intcntl

Complete your trip to Houston with a hotel stay or car rental

Car rentals in Houston
Hotels in Houston
Vacations in Houston