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Find cheap flights from Ottawa to Houston – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

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 • 33% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg C$ 526 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 6h 26m (one-way)
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Insights
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We hope you enjoy your trip to Houston!
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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

Multiple Airlines Logo
YOW  Ottawa Airport-HO1 Johor Bahru Hallmark Regency Hotel
3923 kmmulti-stop
Multiple Airlines Logo
HO1  Johor Bahru Hallmark Regency Hotel-YOW Ottawa Airport
3923 kmmulti-stop
Multiple Airlines
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, Monday is the cheapest day of the week to fly from Ottawa to Houston. 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?

•September is the cheapest month to fly from Ottawa to Houston at C$ 602 round-trip.
•July (C$ 997) and October (C$ 983) 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 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
Beat the crowds with an average 10% drop in traveller numbers.

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?

    Only Economy Class is available on flights from Ottawa to Houston.

  • 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$ 702 to C$ 1,055, with an average of C$ 905 over the past 12 months. Anything below C$ 702 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 29% above the C$ 905 route average. Book 24 weeks before departure for the lowest fares.

  • 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 from around C$ 4:

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

    Near Houston Hobby Airport (HOU) – daily rates from around C$ 35:

    • Thrifty
    • Dollar
    • Alamo
    • Hertz
    • Ace

  • 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) – 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?

    Yes. Flexible dates can save you up to 11% on flights from Ottawa to Houston. Monday is the cheapest departure day at C$ 873 round-trip on average, while Sunday is the most expensive at C$ 973, a difference of C$ 100.

    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 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?

    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 Houston 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 Monday departure and avoid flying on Sunday. On this route, Monday flights average C$ 873, about C$ 100 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 trip for September. Fares historically average C$ 602 round-trip in that month – typically C$ 394 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, 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

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