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Find cheap flights from Ottawa to Houston from $431

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ottawa to Houston departing on 7/30. 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
0 bags
Wed 6/12
Wed 6/19

Search hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa 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 Ottawa to Houston, as well as popular online travel agencies
In the last 7 days travelers have searched 41,771,603 times on KAYAK, and here is why:

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Cheap flight deals from Ottawa to Houston (YOW-HOU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ottawa 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 and deals for you by selecting your travel dates.
Choose your dates
4:35 pm - 12:37 amYOW-IAH
9h 02m1 stop
9:36 am - 8:07 pmIAH-YOW
9h 31m1 stop
$431
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Tue, Jul 30 - Wed, Aug 14
4:35 pm - 12:37 amYOW-IAH
9h 02m1 stop
9:27 am - 8:07 pmIAH-YOW
9h 40m1 stop
$432
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Wed, Jul 24 - Wed, Jul 31
11:30 am - 12:37 amYOW-IAH
14h 07m2 stops
9:27 am - 8:07 pmIAH-YOW
9h 40m1 stop
$442
Find Deal
Wed, Jul 24 - Wed, Jul 31
11:30 am - 12:37 amYOW-IAH
14h 07m2 stops
9:27 am - 9:29 pmIAH-YOW
11h 02m2 stops
$448
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Wed, Jul 24 - Wed, Jul 31
5:55 am - 11:21 amYOW-IAH
6h 26m1 stop
6:21 pm - 1:33 amIAH-YOW
6h 12m1 stop
$458Air Canada
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Fri, Sep 27 - Sat, Sep 28
8:55 pm - 11:21 amYOW-IAH
15h 26m1 stop
7:20 am - 4:13 pmIAH-YOW
7h 53m1 stop
$504Air Canada
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Wed, Jul 31 - Wed, Aug 14
6:38 am - 8:50 pmYOW-IAH
15h 12m1 stop
2:25 pm - 10:04 pmIAH-YOW
6h 39m1 stop
$535United Airlines
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Sat, May 25 - Wed, May 29
11:20 am - 11:59 pmYOW-IAH
13h 39m1 stop
8:35 am - 10:06 pmIAH-YOW
12h 31m2 stops
$577United Airlines
Find Deal
Fri, Sep 27 - Sat, Sep 28
9:35 pm - 12:01 amYOW-IAH
27h 26m2 stops
6:15 pm - 8:50 pmIAH-YOW
25h 35m2 stops
$624WestJet
Find Deal
Thu, Sep 26 - Sun, Sep 29
5:55 am - 5:26 pmYOW-IAH
12h 31m1 stop
6:15 pm - 8:50 pmIAH-YOW
25h 35m2 stops
$634WestJet
Find Deal
Fri, Sep 27 - Sat, Sep 28

Flights from Ottawa to Houston - Travel Insights & Trends

Get data-powered insights and trends into flights from Ottawa 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 Ottawa to Houston?

The average price of all flights from Ottawa to Houston clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Ottawa to Houston, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Houston, Sunday is the cheapest day to fly and Thursday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ottawa to Houston, 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 Ottawa to Houston is January, where tickets cost $527 on average. On the other hand, the most expensive months are April and February, where the average cost of tickets is $712 and $690 respectively.

How far in advance should I book a flight from Ottawa to Houston?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ottawa to Houston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ottawa to Houston, you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 75 days before departure.

Good to know

Cheapest flight

$431
Flight from Ottawa to Houston George Bush 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
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 flights from Ottawa to Houston

  • What is the cheapest flight from Ottawa to Houston?

    In the last 3 days, the lowest price for a flight from Ottawa to Houston was $431 for a round-trip ticket.

  • Do I need a passport to fly between Ottawa and Houston?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Ottawa and on arrival in Houston.

  • Which airports will I be using when flying from Ottawa to Houston?

    On your way to Houston, you’ll fly out from Ottawa. You’ll be landing in one of Houston’s 2 airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from Ottawa to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ottawa to Houston?

    Star Alliance is the only airline alliance operating flights between Ottawa and Houston.

  • How does KAYAK find such low prices on flights from Ottawa to Houston?

    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 Ottawa to Houston.

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

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

  • What is the Hacker Fare option on flights from Ottawa to Houston?

    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 with an airline and back to Ottawa with another airline.

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

    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 from Ottawa up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Ottawa - Houston Flights

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Ottawa (undefined)Canada

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Houston - Ottawa

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