YOW - IAH

C$ 313 Find Cheap Flights from Ottawa to Houston George Bush Airport – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 501
Typical prices: C$ 647-C$ 998
WestJet
Mon 5/11Fri 9/11
YOW - IAH • 1 stop
Cheapest one-way flights
C$ 313
Typical prices: C$ 400-C$ 634
Multiple Airlines
Wed 24/10
YOW - IAH • 3 stops
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 65% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 19% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Fort Lauderdale (FLL)
Cheapest • Avg C$ 493 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 6h 26m (one-way)
Insights
Insights
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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

Thu, 5 Nov - Mon, 9 Nov
WestJet Logo
6:10 a.m. - 10:15 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
17h 05m1 stop Calgary
WestJet Logo
8:00 a.m. - 12:01 a.m.IAH  Houston George Bush Intcntl-YOW Ottawa
15h 01m1 stop Calgary
C$ 501WestJet
Fri, 23 Oct - Fri, 30 Oct
Multiple Airlines Logo
8:15 p.m. - 11:57 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
16h 42m2 stops Calgary Atlanta Hartsfield-Jackson
Multiple Airlines Logo
8:18 a.m. - 5:20 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
8h 02m1 stop Fort Lauderdale
C$ 503Multiple Airlines
Mon, 5 Oct - Sat, 30 Jan
WestJet Logo
8:15 p.m. - 1:55 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
18h 40m1 stop Calgary
WestJet Logo
8:00 a.m. - 12:01 a.m.IAH  Houston George Bush Intcntl-YOW Ottawa
15h 01m1 stop Calgary
C$ 516WestJet
Thu, 26 Nov - Mon, 30 Nov
WestJet Logo
6:10 a.m. - 10:15 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
17h 05m1 stop Calgary
WestJet Logo
8:00 a.m. - 12:01 a.m.IAH  Houston George Bush Intcntl-YOW Ottawa
15h 01m1 stop Calgary
C$ 520WestJet
Fri, 12 Feb - Sat, 20 Feb
Air Canada Logo
9:10 a.m. - 5:08 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
8h 58m1 stop Toronto Pearson Intl
Air Canada Logo
12:00 p.m. - 6:45 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
5h 45m1 stop Toronto Pearson Intl
C$ 716Air Canada
Wed, 7 Oct - Wed, 14 Oct
Air Canada Logo
2:50 p.m. - 7:52 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
6h 02m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:00 a.m. - 5:29 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
6h 29m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 734Air Canada
Sat, 27 Feb - Sun, 7 Mar
Air Canada Logo
9:10 a.m. - 5:08 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
8h 58m1 stop Toronto Pearson Intl
Air Canada Logo
3:30 p.m. - 8:15 a.m.IAH  Houston George Bush Intcntl-YOW Ottawa
15h 45m1 stop Toronto Pearson Intl
C$ 813Air Canada
Mon, 5 Oct - Sun, 31 Jan
United Airlines Logo
2:52 p.m. - 10:45 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
8h 53m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
7:20 a.m. - 9:56 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
13h 36m2 stops Chicago O'Hare Intl Newark
C$ 846United Airlines
Thu, 1 Oct - Mon, 5 Oct
United Airlines Logo
6:00 a.m. - 3:13 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
10h 13m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:00 a.m. - 4:38 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
9h 38m1 stop Newark
C$ 866United Airlines
Thu, 1 Oct - Sun, 18 Oct
United Airlines Logo
6:00 a.m. - 7:10 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
14h 10m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl
United Airlines Logo
5:00 a.m. - 5:16 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
11h 16m1 stop Chicago O'Hare Intl
C$ 866United Airlines
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 from Ottawa to Houston George Bush Intcntl Airport with more confidence.

How much is a round-trip flight from Ottawa to Houston George Bush Intcntl Airport?

Round-trip flights from Ottawa to Houston George Bush Intcntl Airport start at C$ 501. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 647 to C$ 998. The lowest price found in the past 5 days was C$ 501 on WestJet.

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

Monday is the cheapest day of the week to fly from Ottawa to Houston George Bush Intcntl Airport and is 20% cheaper than the average day. Sunday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Ottawa to Houston George Bush Intcntl Airport at C$ 699 round-trip.
  • August (C$ 1,011) and July (C$ 971) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 44% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 65% 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$ 313
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

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

    Only Economy Class is available on flights from Ottawa to Houston George Bush Intcntl Airport.

  • 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) – 44% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 19% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 9% of one-stop connections
    • Orlando (MCO) – 8% of one-stop connections

    Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 27% on the Ottawa to Houston George Bush Intcntl Airport route. Monday is the cheapest departure day at C$ 695 round-trip on average, while Sunday is the most expensive at C$ 947, a difference of C$ 252. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 Downtown Houston, George R. Brown Convention Center, and Houston Stadium. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

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

    Last-minute fares on this route – booked within 2 weeks of departure – run 26% above the route average of C$ 866. Book 24 weeks before departure for the lowest fares.

  • 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 0h 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.

  • 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$ 501 to C$ 1,689. That means the highest observed fare was about 3x 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 in line with typical prices for this route. Average one-way fares are about C$ 524.

  • 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 35m 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.

  • 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 starting from around C$ 4 for economy cars. Top options include:
    • ACO Rent A Car
    • Easirent
    • America Car Rental
    • Hertz
    • Thrifty

  • 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$ 647 to C$ 998, with an average of C$ 866 over the past 12 months. Anything below C$ 647 counts as a good deal.

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 instead of Sunday. On this route, Monday flights average C$ 695 – about C$ 252 less than Sunday (27% 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 65% 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 November. Fares historically average C$ 699 round-trip in that month – typically C$ 312 less than the most expensive month, which is August (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

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