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Cheap flights from Ottawa to Houston from $200

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 6/4. 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
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
7:00 am - 8:55 am
YOW
-
IAH
26h 55m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$369Multiple Airlines
Tue, Jun 2 - Mon, Jun 8
Multiple Airlines Logo
4:20 pm - 10:16 pm
YOW
-
IAH
30h 56m
1 stop
Multiple Airlines Logo
7:24 pm - 8:05 pm
IAH
-
YOW
23h 41m
2 stops
$386Multiple Airlines
Mon, May 18 - Mon, Jun 15
Multiple Airlines Logo
4:20 pm - 10:16 pm
YOW
-
IAH
30h 56m
1 stop
Multiple Airlines Logo
6:50 am - 5:37 pm
IAH
-
YOW
9h 47m
1 stop
$387Multiple Airlines
Mon, May 18 - Mon, Jun 15
Multiple Airlines Logo
7:00 am - 7:33 am
YOW
-
IAH
25h 33m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$398Multiple Airlines
Wed, Jun 3 - Mon, Jun 8
Multiple Airlines Logo
7:00 am - 7:33 am
YOW
-
IAH
25h 33m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$400Multiple Airlines
Wed, Jun 3 - Mon, Jun 8
Multiple Airlines Logo
7:00 am - 10:16 pm
YOW
-
IAH
16h 16m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$401Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
7:00 am - 8:50 am
YOW
-
IAH
26h 50m
2 stops
Multiple Airlines Logo
5:45 am - 3:00 pm
IAH
-
YOW
8h 15m
1 stop
$406Multiple Airlines
Fri, Jun 5 - Sat, Jun 13
Multiple Airlines Logo
7:00 am - 8:50 am
YOW
-
IAH
26h 50m
1 stop
Multiple Airlines Logo
6:50 am - 12:17 pm
IAH
-
YOW
28h 27m
1 stop
$420Multiple Airlines
Sat, May 30 - Sun, Jun 14
Multiple Airlines Logo
7:00 am - 9:03 am
YOW
-
IAH
27h 03m
1 stop
Multiple Airlines Logo
6:15 am - 4:50 pm
IAH
-
YOW
33h 35m
2 stops
$422Multiple Airlines
Sun, May 17 - Sat, May 30
Multiple Airlines Logo
6:55 am - 7:33 am
YOW
-
IAH
25h 38m
2 stops
Multiple Airlines Logo
6:50 am - 5:35 pm
IAH
-
YOW
9h 45m
1 stop
$427Multiple Airlines
Wed, May 13 - Wed, May 20

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United Airlines flights from Ottawa to Houston George Bush Intcntl Airport

Our best United Airlines deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
United Airlines
May 5
YOW4:00 pmOttawa
8h 11m
1 stop
IAH11:11 pmHouston George Bush Intcntl
May 8
IAH6:15 amHouston George Bush Intcntl
14h 20m
1 stop
YOW9:35 pmOttawa
$932
United Airlines
May 1
YOW5:50 pmOttawa
15h 40m
1 stop
IAH8:30 amHouston George Bush Intcntl
May 2
IAH12:14 pmHouston George Bush Intcntl
8h 51m
1 stop
YOW10:05 pmOttawa
$1,149

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
Jul 8
YOW8:15 pmOttawa
27h 25m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jul 14
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
$489
WestJet
Jul 8
YOW8:15 pmOttawa
27h 25m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jul 14
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
$497
WestJet
Jul 16
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
Jul 23
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
$499

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 April 30, 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

Tue 6/2

7:00 am-8:55 am

2 stops26h 55m

Houston George Bush Intcntl

Mon 6/8

5:29 pm-5:37 pm

1 stop23h 08m

$369

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 5/18

4:20 pm-10:16 pm

1 stop30h 56m

Houston George Bush Intcntl

Mon 6/15

7:24 pm-8:05 pm

2 stops23h 41m

$386

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 5/18

4:20 pm-10:16 pm

1 stop30h 56m

Houston George Bush Intcntl

Mon 6/15

6:50 am-5:37 pm

1 stop9h 47m

$387

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 6/3

7:00 am-7:33 am

2 stops25h 33m

Houston George Bush Intcntl

Mon 6/8

5:29 pm-5:37 pm

1 stop23h 08m

$398

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 6/3

7:00 am-7:33 am

2 stops25h 33m

Houston George Bush Intcntl

Mon 6/8

5:29 pm-5:37 pm

1 stop23h 08m

$400

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/26

7:00 am-10:16 pm

2 stops16h 16m

Houston George Bush Intcntl

Tue 6/2

5:29 pm-5:37 pm

1 stop23h 08m

$401
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 6/5

7:00 am-8:50 am

2 stops26h 50m

Houston George Bush Intcntl

Sat 6/13

5:45 am-3:00 pm

1 stop8h 15m

$406

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 5/30

7:00 am-8:50 am

1 stop26h 50m

Houston George Bush Intcntl

Sun 6/14

6:50 am-12:17 pm

1 stop28h 27m

$420

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 5/17

7:00 am-9:03 am

1 stop27h 03m

Houston George Bush Intcntl

Sat 5/30

6:15 am-4:50 pm

2 stops33h 35m

$422

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 5/13

6:55 am-7:33 am

2 stops25h 38m

Houston George Bush Intcntl

Wed 5/20

6:50 am-5:35 pm

1 stop9h 45m

$427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Ottawa, with most prices found around $513. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Ottawa during the month July is also very affordable. Most momondo users find prices during this month for around $585.

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 05m

Direct flights

None
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 6h 05m
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 05m, 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
10,982 reviews
Search Air Canada flights
United AirlinesPriceFrom $602Free CancellationRating
7.4
9,677 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
Conroe
Humble
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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