C$ 304 Find Cheap Flights from Ottawa to Houston – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 428
Typical prices: C$ 807-C$ 1,073
Multiple Airlines
Sat 8/12Sat 15/12
YOW - IAH • 1 stop
Cheapest one-way flights
C$ 304
Typical prices: C$ 479-C$ 651
Multiple Airlines
Thu 11/1
YOW - IAH • 3 stops
Direct flights
Not available
There are currently no direct flights between Ottawa and Houston. 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 • 35% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Fort Lauderdale (FLL)
Cheapest • Avg C$ 541 (round-trip)
Washington, D.C. Reagan-National (DCA)
Shortest trip • 6h 19m (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!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ottawa to Houston (YOW-HOU)

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

Recent round-trip flight deals from Ottawa to Houston

Tue, 8 Dec - Tue, 15 Dec
Multiple Airlines Logo
7:00 a.m. - 4:06 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
10h 06m1 stop Fort Lauderdale
Multiple Airlines Logo
5:01 p.m. - 10:06 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
28h 05m2 stops Fort Lauderdale Toronto Pearson Intl
C$ 428Multiple Airlines
2 days ago
Tue, 8 Dec - Tue, 15 Dec
Multiple Airlines Logo
5:45 a.m. - 4:06 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
11h 21m2 stops Montreal Pierre Elliott Trudeau Intl Fort Lauderdale
Multiple Airlines Logo
9:24 p.m. - 2:22 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
15h 58m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
C$ 516Multiple Airlines
2 days ago
Wed, 2 Dec - Tue, 8 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
5:01 p.m. - 11:20 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
29h 19m1 stop Fort Lauderdale
C$ 527Multiple Airlines
2 days ago
Mon, 14 Dec - Wed, 16 Dec
Multiple Airlines Logo
7:00 a.m. - 4:06 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
10h 06m1 stop Fort Lauderdale
Multiple Airlines Logo
5:01 p.m. - 5:15 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
23h 14m2 stops Fort Lauderdale Hamilton
C$ 532Multiple Airlines
2 days ago
Thu, 7 Jan - Fri, 8 Jan
Air Canada Logo
2:55 p.m. - 9:34 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
7h 39m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:55 a.m. - 8:43 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
7h 48m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 858Air Canada
1 day ago
Fri, 5 Mar - Thu, 11 Mar
United Airlines Logo
2:48 p.m. - 12:01 a.m.YOW  Ottawa-IAH Houston George Bush Intcntl
10h 13m1 stop Newark
United Airlines Logo
7:40 a.m. - 9:56 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
13h 16m1 stop Newark
C$ 858United Airlines
17 hours ago
Wed, 3 Mar - Tue, 9 Mar
United Airlines Logo
6:00 a.m. - 3:32 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
10h 32m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
5:00 a.m. - 3:12 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
9h 12m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
C$ 858United Airlines
18 hours ago
Thu, 11 Feb - Mon, 22 Feb
United Airlines Logo
6:00 a.m. - 5:25 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
12h 25m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
8:25 a.m. - 9:56 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
12h 31m2 stops Chicago O'Hare Intl Newark
C$ 858United Airlines
10 hours ago
Thu, 7 Jan - Fri, 8 Jan
Air Canada Logo
2:55 p.m. - 9:34 p.m.YOW  Ottawa-IAH Houston George Bush Intcntl
7h 39m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:55 a.m. - 8:43 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
7h 48m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 864Air Canada
2 days ago
Thu, 4 Mar - Mon, 8 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
3:30 p.m. - 10:50 p.m.IAH  Houston George Bush Intcntl-YOW Ottawa
6h 20m1 stop Toronto Pearson Intl
C$ 865Air Canada
18 hours ago
Booking Insights

Price, demand, and travel trends for Ottawa to Houston 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?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Ottawa to Houston. It's 8% cheaper than the average day, while Monday is the most expensive, with prices 10% higher.

What is the cheapest month to fly from Ottawa to Houston?

•September is the cheapest month to fly from Ottawa to Houston at C$ 603 round-trip.
•October (C$ 1,063) and December (C$ 1,035) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 76% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ottawa to Houston the cheapest?

Flights from Ottawa to Houston 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 flights

Low season

October

Cheapest flight

C$ 304
Beat the crowds with an average 23% drop in traveller numbers.
The most popular month to fly with an average 24% increase in traveller numbers.
One-way flight from Ottawa to Houston George Bush Intcntl Airport

When to book flights from Ottawa to Houston

Are your dates flexible? Find out the best times to travel from Ottawa to Houston 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 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?

    Two cabin classes are available on flights from Ottawa to Houston:

    • Economy Class
    • Business Class

  • How long does a flight from Ottawa to Houston take?

    A direct flight from Ottawa to Houston takes 00m, covering 3,923 km.

  • Do I need a passport to fly from Ottawa to Houston?

    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 flight?

    Round-trip flights from Ottawa to Houston range from C$ 807 to C$ 1,073, with an average of C$ 930 over the past 12 months. Anything below C$ 807 counts as a good deal.

  • How expensive are last-minute Ottawa to Houston flights?

    Last-minute fares on this route (booked within two weeks of departure) run 26% above the C$ 930 route average. Book 24 weeks before departure for the lowest fares.

  • Have flight prices from Ottawa to Houston 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$ 428 to C$ 1,830. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Ottawa to Houston looking right now?

    One-way fares from Ottawa to Houston are currently in line with typical prices for this route. Average one-way fares are about C$ 558.

  • What car rental options are available in Houston?

    Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Houston George Bush Intcntl Airport (IAH) – daily rates averaging C$ 56:

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

    Near Houston Hobby Airport (HOU) – daily rates averaging C$ 99:

    • Thrifty
    • Alamo
    • Dollar
    • Hertz
    • Budget

  • Which airports can I use when flying from Ottawa to Houston?

    Flights from Ottawa to Houston usually depart from Ottawa (YOW) and may arrive at several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH).

  • Which airports do connecting flights from Ottawa to Houston pass through?

    One-stop flights from Ottawa to Houston most commonly connect through:

    • Toronto Pearson Intl (YYZ) – 50% 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?

    Yes. Flexible dates can save you up to 16% on flights from Ottawa to Houston. Tuesday is the cheapest departure day at C$ 861 round-trip on average, while Monday is the most expensive at C$ 1,025, a difference of C$ 164.

    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?

    Flying via Washington, D.C. Reagan-National (DCA) gives the shortest average 1-stop total travel time at 6h 19m, compared with 6h 26m via Montreal Pierre Elliott Trudeau Intl (YUL) and 6h 44m via Newark (EWR).

  • What is the time difference between Ottawa and Houston?

    Houston 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?

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

Your guide to booking Ottawa to Houston 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 Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average C$ 861, about C$ 164 less than Monday fares (16% 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 trip for September. Fares historically average C$ 603 round-trip in that month – typically C$ 460 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Houston George Bush Intcntl Airport

    • Houston Airport Marriott at George Bush Intercontinental

    Near Houston Hobby Airport

    • DoubleTree by Hilton Hotel Houston Hobby Airport
    • Best Western Plus Hobby Airport Inn & Suites
    • Houston Marriott South at Hobby Airport

More options for your flight from Ottawa to Houston

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

Car rentals in Houston
Hotels in Houston
Vacations in Houston