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Cheap flights from Ottawa to Houston from $155

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 3/23. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 9:16 pm
YOW
-
IAH
15h 16m
1 stop
Multiple Airlines Logo
5:45 am - 5:25 pm
IAH
-
YOW
10h 40m
1 stop
$269Multiple Airlines
Thu, Feb 26 - Tue, Apr 14
Multiple Airlines Logo
7:00 am - 9:16 pm
YOW
-
IAH
15h 16m
1 stop
Multiple Airlines Logo
4:22 pm - 5:25 pm
IAH
-
YOW
24h 03m
1 stop
$275Multiple Airlines
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
4:15 pm - 3:56 pm
YOW
-
IAH
24h 41m
1 stop
Multiple Airlines Logo
4:22 pm - 5:25 pm
IAH
-
YOW
24h 03m
1 stop
$279Multiple Airlines
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
7:00 am - 9:16 pm
YOW
-
IAH
15h 16m
1 stop
Multiple Airlines Logo
5:49 pm - 5:25 pm
IAH
-
YOW
22h 36m
2 stops
$288Multiple Airlines
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
4:15 pm - 3:56 pm
YOW
-
IAH
24h 41m
1 stop
Multiple Airlines Logo
5:49 pm - 5:25 pm
IAH
-
YOW
22h 36m
2 stops
$292Multiple Airlines
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
7:00 am - 9:16 pm
YOW
-
IAH
15h 16m
1 stop
Multiple Airlines Logo
7:05 am - 8:54 pm
IAH
-
YOW
12h 49m
2 stops
$311Multiple Airlines
Thu, Feb 26 - Tue, Apr 14
Multiple Airlines Logo
7:00 am - 9:16 pm
YOW
-
IAH
15h 16m
1 stop
Multiple Airlines Logo
7:05 am - 3:04 pm
IAH
-
YOW
30h 59m
2 stops
$312Multiple Airlines
Thu, Feb 26 - Tue, Apr 14
Multiple Airlines Logo
7:00 am - 12:18 am
YOW
-
IAH
18h 18m
1 stop
Multiple Airlines Logo
7:05 am - 5:25 pm
IAH
-
YOW
9h 20m
1 stop
$324Multiple Airlines
Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
7:00 am - 12:18 am
YOW
-
IAH
18h 18m
1 stop
Multiple Airlines Logo
9:40 pm - 12:39 am
IAH
-
YOW
49h 59m
2 stops
$325Multiple Airlines
Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
6:50 am - 3:39 pm
YOW
-
IAH
9h 49m
2 stops
Multiple Airlines Logo
7:05 am - 6:24 pm
IAH
-
YOW
10h 19m
2 stops
$330Multiple Airlines
Fri, Feb 27 - Thu, Mar 5

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
May 5
YOW7:30 amOttawa
31h 25m
1 stop
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
9h 50m
1 stop
YOW5:20 pmOttawa
$384
WestJet
May 5
YOW7:30 amOttawa
31h 25m
1 stop
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
9h 50m
1 stop
YOW5:20 pmOttawa
$388
WestJet
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
9h 50m
1 stop
YOW5:20 pmOttawa
$408

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
Feb 2
YOW3:10 pmOttawa
10h 02m
2 stops
IAH12:12 amHouston George Bush Intcntl
Feb 5
IAH4:50 pmHouston George Bush Intcntl
6h 04m
1 stop
YOW11:54 pmOttawa
$821
United Airlines
Feb 2
YOW6:00 amOttawa
12h 20m
2 stops
IAH5:20 pmHouston George Bush Intcntl
Feb 5
IAH2:30 pmHouston George Bush Intcntl
6h 26m
1 stop
YOW9:56 pmOttawa
$829

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 January 29, 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

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 4/14

5:45 am-5:25 pm

1 stop10h 40m

$269

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 3/5

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 3/10

4:22 pm-5:25 pm

1 stop24h 03m

$275

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 3/5

4:15 pm-3:56 pm

1 stop24h 41m

Houston George Bush Intcntl

Tue 3/10

4:22 pm-5:25 pm

1 stop24h 03m

$279

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 3/5

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 3/10

5:49 pm-5:25 pm

2 stops22h 36m

$288

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 3/5

4:15 pm-3:56 pm

1 stop24h 41m

Houston George Bush Intcntl

Tue 3/10

5:49 pm-5:25 pm

2 stops22h 36m

$292

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 4/14

7:05 am-8:54 pm

2 stops12h 49m

$311

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 4/14

7:05 am-3:04 pm

2 stops30h 59m

$312

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 2/21

7:00 am-12:18 am

1 stop18h 18m

Houston George Bush Intcntl

Sun 3/1

7:05 am-5:25 pm

1 stop9h 20m

$324

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 2/21

7:00 am-12:18 am

1 stop18h 18m

Houston George Bush Intcntl

Sun 3/1

9:40 pm-12:39 am

2 stops49h 59m

$325

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 2/27

6:50 am-3:39 pm

2 stops9h 49m

Houston George Bush Intcntl

Thu 3/5

7:05 am-6:24 pm

2 stops10h 19m

$330

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 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 April is also very affordable. Most momondo users find prices during this month for around $519.

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

7h 02m

Direct flights

None
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 7h 02m
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

  • 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 7h 02m, 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
10,667 reviews
Search Air Canada flights

Traveling to a place near Houston?

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

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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