Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Houston from $119

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 1/7. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 8:23 pm
YOW
-
IAH
14h 23m1 stop
Multiple Airlines Logo
8:19 pm - 5:25 pm
IAH
-
YOW
20h 06m2 stops
$355Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
WestJet Logo
6:00 am - 12:45 pm
YOW
-
IAH
31h 45m1 stop
WestJet Logo
6:20 pm - 4:53 pm
IAH
-
YOW
21h 33m1 stop
$373WestJet
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
4:20 pm - 7:55 am
YOW
-
IAH
16h 35m1 stop
Multiple Airlines Logo
7:05 am - 5:25 pm
IAH
-
YOW
9h 20m1 stop
$380Multiple Airlines
Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
9:30 am - 10:10 am
YOW
-
IAH
25h 40m1 stop
Multiple Airlines Logo
4:15 pm - 2:58 pm
IAH
-
YOW
45h 43m2 stops
$381Multiple Airlines
Fri, Jan 2 - Sun, Jan 11
Multiple Airlines Logo
9:30 am - 9:07 am
YOW
-
IAH
24h 37m2 stops
Multiple Airlines Logo
8:19 pm - 5:25 pm
IAH
-
YOW
20h 06m2 stops
$383Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
WestJet Logo
5:45 pm - 12:45 pm
YOW
-
IAH
20h 00m1 stop
WestJet Logo
6:20 pm - 4:53 pm
IAH
-
YOW
21h 33m1 stop
$388WestJet
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
9:30 am - 10:10 am
YOW
-
IAH
25h 40m1 stop
Multiple Airlines Logo
4:35 pm - 5:25 pm
IAH
-
YOW
23h 50m1 stop
$391Multiple Airlines
Fri, Jan 2 - Sun, Jan 11
Multiple Airlines Logo
7:00 am - 11:58 pm
YOW
-
IAH
17h 58m1 stop
Multiple Airlines Logo
6:25 am - 5:25 pm
IAH
-
YOW
10h 00m1 stop
$407Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
4:20 pm - 7:55 am
YOW
-
IAH
16h 35m1 stop
Multiple Airlines Logo
7:05 am - 7:54 pm
IAH
-
YOW
11h 49m2 stops
$408Multiple Airlines
Sat, Feb 21 - Sun, Mar 1
WestJet Logo
5:45 pm - 12:45 pm
YOW
-
IAH
20h 00m1 stop
WestJet Logo
6:20 pm - 4:53 pm
IAH
-
YOW
21h 33m1 stop
$417WestJet
Wed, Mar 4 - Mon, Mar 9

American Airlines flights from Ottawa to Houston George Bush Intcntl Airport

Our best American Airlines deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
American Airlines
Apr 4
YOW6:45 amOttawa
12h 18m
2 stops
IAH6:03 pmHouston George Bush Intcntl
Apr 11
IAH6:26 pmHouston George Bush Intcntl
21h 25m
2 stops
YOW4:51 pmOttawa
$708
Find similar
American Airlines
Dec 19
YOW9:10 amOttawa
12h 24m
3 stops
IAH8:34 pmHouston George Bush Intcntl
Dec 21
IAH6:29 amHouston George Bush Intcntl
17h 12m
2 stops
YOW12:41 amOttawa
$1,257
Find similar
American Airlines
Dec 19
YOW9:10 amOttawa
12h 24m
3 stops
IAH8:34 pmHouston George Bush Intcntl
Dec 21
IAH7:26 amHouston George Bush Intcntl
16h 15m
3 stops
YOW12:41 amOttawa
$1,694
Find similar

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
Apr 1
YOW5:45 pmOttawa
20h 00m
1 stop
IAH12:45 pmHouston George Bush Intcntl
Apr 15
IAH6:20 pmHouston George Bush Intcntl
29h 20m
1 stop
YOW12:40 amOttawa
$367
Find similar
WestJet
Mar 5
YOW6:00 amOttawa
31h 45m
1 stop
IAH12:45 pmHouston George Bush Intcntl
Mar 9
IAH6:20 pmHouston George Bush Intcntl
21h 33m
1 stop
YOW4:53 pmOttawa
$373
Find similar
WestJet
Mar 4
YOW5:45 pmOttawa
20h 00m
1 stop
IAH12:45 pmHouston George Bush Intcntl
Mar 9
IAH6:20 pmHouston George Bush Intcntl
21h 33m
1 stop
YOW4:53 pmOttawa
$388
Find similar

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 December 15, 2025.
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

Wed 1/21

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Sun 1/25

8:19 pm-5:25 pm

2 stops20h 06m

$355

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 3/5

6:00 am-12:45 pm

1 stop31h 45m

Houston George Bush Intcntl

Mon 3/9

6:20 pm-4:53 pm

1 stop21h 33m

$373

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 2/21

4:20 pm-7:55 am

1 stop16h 35m

Houston George Bush Intcntl

Sun 3/1

7:05 am-5:25 pm

1 stop9h 20m

$380

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 1/2

9:30 am-10:10 am

1 stop25h 40m

Houston George Bush Intcntl

Sun 1/11

4:15 pm-2:58 pm

2 stops45h 43m

$381

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 1/21

9:30 am-9:07 am

2 stops24h 37m

Houston George Bush Intcntl

Sun 1/25

8:19 pm-5:25 pm

2 stops20h 06m

$383

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 3/4

5:45 pm-12:45 pm

1 stop20h 00m

Houston George Bush Intcntl

Mon 3/9

6:20 pm-4:53 pm

1 stop21h 33m

$388

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 1/2

9:30 am-10:10 am

1 stop25h 40m

Houston George Bush Intcntl

Sun 1/11

4:35 pm-5:25 pm

1 stop23h 50m

$391

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 1/21

7:00 am-11:58 pm

1 stop17h 58m

Houston George Bush Intcntl

Sun 1/25

6:25 am-5:25 pm

1 stop10h 00m

$407

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 2/21

4:20 pm-7:55 am

1 stop16h 35m

Houston George Bush Intcntl

Sun 3/1

7:05 am-7:54 pm

2 stops11h 49m

$408

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 3/4

5:45 pm-12:45 pm

1 stop20h 00m

Houston George Bush Intcntl

Mon 3/9

6:20 pm-4:53 pm

1 stop21h 33m

$417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Ottawa to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $640. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $967.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Ottawa to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $629. Try not to purchase tickets in the morning because they tend to be around $793. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

  • 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
United AirlinesPriceFrom $594Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
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.

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/14
Wed 1/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston