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Find cheap flights from Ottawa to Houston from C$ 575

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ottawa to Houston departing on 15/5. 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
Tue 4/6
Tue 11/6

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, travellers have searched 43,369,418 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.
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4:35 p.m. - 11:34 p.m.YOW-IAH
7h 59m1 stop
2:28 p.m. - 11:14 a.m.IAH-YOW
19h 46m1 stop
C$ 624
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Tue, 11 Jun - Mon, 17 Jun
4:35 p.m. - 11:34 p.m.YOW-IAH
7h 59m1 stop
3:42 p.m. - 11:42 a.m.IAH-YOW
19h 00m2 stops
C$ 638
Find Deal
Tue, 11 Jun - Mon, 17 Jun
5:55 a.m. - 11:21 a.m.YOW-IAH
6h 26m1 stop
8:30 a.m. - 4:31 p.m.IAH-YOW
7h 01m1 stop
C$ 735Air Canada
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Fri, 21 Jun - Tue, 25 Jun
6:30 a.m. - 11:48 a.m.YOW-IAH
6h 18m1 stop
9:30 p.m. - 10:33 a.m.IAH-YOW
12h 03m1 stop
C$ 817United Airlines
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Tue, 27 Aug - Fri, 30 Aug
4:15 p.m. - 7:25 a.m.YOW-IAH
16h 10m2 stops
7:50 a.m. - 3:52 p.m.IAH-YOW
7h 02m1 stop
C$ 818
Find Deal
Fri, 21 Jun - Tue, 25 Jun
1:34 p.m. - 10:45 p.m.YOW-IAH
10h 11m2 stops
9:30 p.m. - 10:33 a.m.IAH-YOW
12h 03m1 stop
C$ 829United Airlines
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Tue, 27 Aug - Fri, 30 Aug
4:15 p.m. - 7:25 a.m.YOW-IAH
16h 10m2 stops
10:02 a.m. - 8:07 p.m.IAH-YOW
9h 05m2 stops
C$ 847
Find Deal
Fri, 21 Jun - Tue, 25 Jun
1:35 p.m. - 12:15 a.m.YOW-IAH
11h 40m2 stops
9:35 p.m. - 12:45 p.m.IAH-YOW
14h 10m2 stops
C$ 892United Airlines
Find Deal
Tue, 11 Jun - Mon, 17 Jun
9:35 p.m. - 5:22 p.m.YOW-IAH
20h 47m2 stops
6:15 p.m. - 8:42 p.m.IAH-YOW
25h 27m2 stops
C$ 1,015WestJet
Find Deal
Tue, 27 Aug - Fri, 30 Aug

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.
For Ottawa to Houston, Saturday is the cheapest day to fly on average and Friday is the most expensive. Flying from Houston back to Ottawa, the best deals are generally found on Monday, with Thursday being 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 C$ 721 on average. On the other hand, the most expensive months are April and February, where the average cost of tickets is C$ 974 and C$ 944 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.

Which airlines provide the cheapest flights from Ottawa to Houston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Ottawa to Houston were found on Air Canada (C$ 735) and United Airlines (C$ 817). WestJet proposed the cheapest one-way flight at C$ 575.

Good to know

Cheapest flight

C$ 575
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 C$ 420 for a one-way ticket and C$ 456 for a round-trip.

  • 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

Book cheap flights from Ottawa to Houston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ottawa to Houston found on KAYAK in the last 72 hours.
15/5Wed
1 stopWestJet
10h 27mYOW-IAH
C$ 575
15/5Wed
2 stopsUnited Airlines
15h 33mYOW-IAH
C$ 646

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Last minute flights from Ottawa to Houston

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ottawa to Houston that are departing in the next 10 days.
6/5Mon
multi-stopWestJet
26h 32mYOW-IAH
11/6Tue
multi-stopWestJet
11h 42mIAH-YOW
C$ 1,541
7/5Tue
multi-stopUnited Airlines
8h 06mYOW-IAH
8/5Wed
multi-stopUnited Airlines
7h 16mIAH-YOW
C$ 2,106
7/5Tue
multi-stopUnited Airlines
7h 05mYOW-IAH
8/5Wed
multi-stopUnited Airlines
7h 09mIAH-YOW
C$ 2,109

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Ottawa - Houston Flights

Departure:

Ottawa (YOW)Canada

Return flight deals:

Houston - Ottawa

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