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Cheap flights from Ottawa to Houston from $203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Houston departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:05 am - 7:52 pm
YOW
-
IAH
35h 47m
2 stops
Multiple Airlines Logo
8:20 am - 2:57 pm
IAH
-
YOW
29h 37m
1 stop
$483Multiple Airlines
Mon, Jul 6 - Sun, Jul 12
Air Canada Logo
2:35 pm - 7:38 pm
YOW
-
IAH
6h 03m
1 stop
Air Canada Logo
11:45 am - 7:10 pm
IAH
-
YOW
6h 25m
1 stop
$493Air Canada
Sat, Aug 29 - Sun, Sep 6
Multiple Airlines Logo
2:10 pm - 7:19 am
YOW
-
IAH
18h 09m
2 stops
Multiple Airlines Logo
8:36 am - 3:15 pm
IAH
-
YOW
29h 39m
1 stop
$497Multiple Airlines
Wed, Aug 26 - Sun, Sep 13
Multiple Airlines Logo
7:00 am - 6:29 pm
YOW
-
IAH
12h 29m
1 stop
Multiple Airlines Logo
8:20 am - 5:35 pm
IAH
-
YOW
32h 15m
2 stops
$506Multiple Airlines
Fri, Jul 3 - Sat, Jul 11
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
Multiple Airlines Logo
8:02 pm - 3:15 pm
IAH
-
YOW
18h 13m
2 stops
$507Multiple Airlines
Mon, Jul 27 - Sun, Aug 2
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
Multiple Airlines Logo
8:02 pm - 2:57 pm
IAH
-
YOW
17h 55m
2 stops
$508Multiple Airlines
Mon, Jul 13 - Fri, Jul 17
Multiple Airlines Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
Multiple Airlines Logo
8:36 am - 3:15 pm
IAH
-
YOW
29h 39m
1 stop
$509Multiple Airlines
Wed, Aug 26 - Sun, Sep 13
Multiple Airlines Logo
7:00 am - 6:29 pm
YOW
-
IAH
12h 29m
1 stop
Multiple Airlines Logo
8:20 am - 8:05 pm
IAH
-
YOW
10h 45m
2 stops
$511Multiple Airlines
Fri, Jul 3 - Sat, Jul 4
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
$514WestJet
Sat, Aug 22 - Fri, Aug 28
Multiple Airlines Logo
7:00 am - 2:51 pm
YOW
-
IAH
8h 51m
1 stop
Multiple Airlines Logo
8:29 am - 7:39 pm
IAH
-
YOW
34h 10m
2 stops
$517Multiple Airlines
Sat, Aug 29 - Sun, Sep 6

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Air Canada flights from Ottawa to Houston George Bush Intcntl Airport

Our best Air Canada deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
Air Canada
Aug 29
YOW2:35 pmOttawa
6h 03m
1 stop
IAH7:38 pmHouston George Bush Intcntl
Sep 6
IAH11:45 amHouston George Bush Intcntl
6h 25m
1 stop
YOW7:10 pmOttawa
$493
Air Canada
Jul 9
YOW4:00 pmOttawa
7h 06m
1 stop
IAH10:06 pmHouston George Bush Intcntl
Jul 13
IAH10:00 amHouston George Bush Intcntl
6h 29m
1 stop
YOW5:29 pmOttawa
$544
Air Canada
Jun 24
YOW2:35 pmOttawa
6h 03m
1 stop
IAH7:38 pmHouston George Bush Intcntl
Jun 29
IAH6:25 pmHouston George Bush Intcntl
6h 10m
1 stop
YOW1:35 amOttawa
$635

WestJet flights from Ottawa to Houston George Bush Intcntl Airport

Our best WestJet deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
$514
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH6:30 amHouston George Bush Intcntl
28h 05m
2 stops
YOW11:35 amOttawa
$523
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
$538

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 12, 2026.
Use the filters below to find and compare flights from Ottawa to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 7/6

9:05 am-7:52 pm

2 stops35h 47m

Houston George Bush Intcntl

Sun 7/12

8:20 am-2:57 pm

1 stop29h 37m

$483
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/29

2:35 pm-7:38 pm

1 stop6h 03m

Houston George Bush Intcntl

Sun 9/6

11:45 am-7:10 pm

1 stop6h 25m

$493

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 8/26

2:10 pm-7:19 am

2 stops18h 09m

Houston George Bush Intcntl

Sun 9/13

8:36 am-3:15 pm

1 stop29h 39m

$497

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 7/3

7:00 am-6:29 pm

1 stop12h 29m

Houston George Bush Intcntl

Sat 7/11

8:20 am-5:35 pm

2 stops32h 15m

$506

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 7/27

7:00 am-2:50 pm

1 stop8h 50m

Houston George Bush Intcntl

Sun 8/2

8:02 pm-3:15 pm

2 stops18h 13m

$507

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 7/13

7:00 am-2:50 pm

1 stop8h 50m

Houston George Bush Intcntl

Fri 7/17

8:02 pm-2:57 pm

2 stops17h 55m

$508

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 8/26

8:15 pm-1:55 pm

1 stop18h 40m

Houston George Bush Intcntl

Sun 9/13

8:36 am-3:15 pm

1 stop29h 39m

$509

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 7/3

7:00 am-6:29 pm

1 stop12h 29m

Houston George Bush Intcntl

Sat 7/4

8:20 am-8:05 pm

2 stops10h 45m

$511

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

12:25 pm-10:40 pm

2 stops11h 15m

Houston George Bush Intcntl

Fri 8/28

2:50 pm-5:35 am

1 stop13h 45m

$514

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/29

7:00 am-2:51 pm

1 stop8h 51m

Houston George Bush Intcntl

Sun 9/6

8:29 am-7:39 pm

2 stops34h 10m

$517

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Ottawa to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ottawa and Houston George Bush Intcntl Airport?

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

The month of May is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Ottawa, with most prices found around $348. If you are unable to visit Houston George Bush Intcntl Airport during the month of May, then departing from Ottawa during the month October is also very affordable. Most momondo users find prices during this month for around $513.

When to book flights from Ottawa to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Houston George Bush Intcntl Airport (YOW to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Houston George Bush Intcntl Airport

Fastest flight time

6h 34m

Direct flights

None
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 6h 34m
There are no direct flights from Ottawa to Houston George Bush Intcntl Airport. There are no popular flight routes from Ottawa to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from Ottawa to Houston George Bush Intcntl Airport

  • How far is Ottawa to Houston George Bush Intcntl by plane?

    A flight from Ottawa to Houston George Bush Intcntl will travel around 1504.3 mi. Flights usually cover this in 6h 34m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Ottawa Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ottawa Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ottawa to Houston George Bush Intcntl Airport?

Best airlines flying from Ottawa to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Ottawa to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $404Free CancellationRating
7.1
11,168 reviews
Search Air Canada flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,810 reviews
Search United Airlines flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Houston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Houston for you.

Can I find flights from Ottawa to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ottawa to Houston?

momondo helps you find the best flight between Ottawa and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ottawa to Houston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Houston from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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