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Cheap flights from Ottawa to Houston from $207

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ottawa to Houston

Cheap round-trip flights

Logo
3:50 pm - 11:08 pmYOW-IAH
8h 18m1 stop
Logo
5:27 pm - 5:06 pmIAH-YOW
22h 39m1 stop
$350
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mié., ago. 20 - mar., ago. 26
Logo
3:50 pm - 11:08 pmYOW-IAH
8h 18m1 stop
Logo
5:45 am - 5:06 pmIAH-YOW
10h 21m1 stop
$355
Find Deal
mié., ago. 13 - mié., ago. 20
Logo
4:25 pm - 8:09 amYOW-IAH
16h 44m1 stop
Logo
5:30 am - 5:20 pmIAH-YOW
10h 50m1 stop
$359
Find Deal
mar., ago. 19 - mié., ago. 27
Logo
4:25 pm - 8:09 amYOW-IAH
16h 44m1 stop
Logo
5:30 am - 5:20 pmIAH-YOW
10h 50m1 stop
$363
Find Deal
vie., ago. 22 - mar., ago. 26
Logo
7:00 am - 6:11 pmYOW-IAH
12h 11m2 stops
Logo
5:30 am - 5:20 pmIAH-YOW
10h 50m1 stop
$365
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mié., ago. 20 - mié., ago. 27
Logo
4:25 pm - 8:24 amYOW-IAH
16h 59m1 stop
Logo
7:35 am - 3:56 pmIAH-YOW
7h 21m1 stop
$367
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dom., oct. 5 - dom., oct. 12
Logo
7:00 am - 8:26 pmYOW-IAH
14h 26m2 stops
Logo
5:45 am - 5:06 pmIAH-YOW
10h 21m1 stop
$368
Find Deal
mié., ago. 13 - mié., ago. 20
Logo
3:50 pm - 11:36 pmYOW-IAH
8h 46m1 stop
Logo
5:30 am - 5:20 pmIAH-YOW
10h 50m1 stop
$376
Find Deal
sáb., ago. 23 - mar., ago. 26
WestJet Logo
7:15 pm - 2:10 pmYOW-IAH
19h 55m1 stop
WestJet Logo
6:20 pm - 12:45 amIAH-YOW
29h 25m1 stop
$385WestJet
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mar., oct. 21 - mar., oct. 28
WestJet Logo
5:15 pm - 2:10 pmYOW-IAH
21h 55m2 stops
WestJet Logo
6:20 pm - 12:45 amIAH-YOW
29h 25m1 stop
$390WestJet
Find Deal
mar., oct. 21 - mar., oct. 28

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
Oct 21
YOW7:15 pmOttawa
19h 55m
1 stop
IAH2:10 pmHouston George Bush Intcntl
Oct 28
IAH6:20 pmHouston George Bush Intcntl
29h 25m
1 stop
YOW12:45 amOttawa
$385
Find similar
WestJet
Oct 21
YOW5:15 pmOttawa
21h 55m
2 stops
IAH2:10 pmHouston George Bush Intcntl
Oct 28
IAH6:20 pmHouston George Bush Intcntl
29h 25m
1 stop
YOW12:45 amOttawa
$390
Find similar
WestJet
Oct 2
YOW6:00 amOttawa
17h 43m
1 stop
IAH10:43 pmHouston George Bush Intcntl
Oct 6
IAH8:00 amHouston George Bush Intcntl
15h 40m
1 stop
YOW12:40 amOttawa
$398
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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 julio 31, 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

mié. 8/20

3:50 pm-11:08 pm

1 stop8h 18m

Houston George Bush Intcntl

mar. 8/26

5:27 pm-5:06 pm

1 stop22h 39m

$350

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mié. 8/13

3:50 pm-11:08 pm

1 stop8h 18m

Houston George Bush Intcntl

mié. 8/20

5:45 am-5:06 pm

1 stop10h 21m

$355

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 8/19

4:25 pm-8:09 am

1 stop16h 44m

Houston George Bush Intcntl

mié. 8/27

5:30 am-5:20 pm

1 stop10h 50m

$359

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

vie. 8/22

4:25 pm-8:09 am

1 stop16h 44m

Houston George Bush Intcntl

mar. 8/26

5:30 am-5:20 pm

1 stop10h 50m

$363

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mié. 8/20

7:00 am-6:11 pm

2 stops12h 11m

Houston George Bush Intcntl

mié. 8/27

5:30 am-5:20 pm

1 stop10h 50m

$365

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

dom. 10/5

4:25 pm-8:24 am

1 stop16h 59m

Houston George Bush Intcntl

dom. 10/12

7:35 am-3:56 pm

1 stop7h 21m

$367

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mié. 8/13

7:00 am-8:26 pm

2 stops14h 26m

Houston George Bush Intcntl

mié. 8/20

5:45 am-5:06 pm

1 stop10h 21m

$368

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

sáb. 8/23

3:50 pm-11:36 pm

1 stop8h 46m

Houston George Bush Intcntl

mar. 8/26

5:30 am-5:20 pm

1 stop10h 50m

$376

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 10/21

7:15 pm-2:10 pm

1 stop19h 55m

Houston George Bush Intcntl

mar. 10/28

6:20 pm-12:45 am

1 stop29h 25m

$385

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 10/21

5:15 pm-2:10 pm

2 stops21h 55m

Houston George Bush Intcntl

mar. 10/28

6:20 pm-12:45 am

1 stop29h 25m

$390

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 cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Ottawa, with most prices found around $565. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Ottawa during the month August is also very affordable. Most momondo users find prices during this month for around $606.

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.

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $680 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Ottawa for as low as $560 on momondo.

How have Ottawa to Houston George Bush Intcntl Airport flight prices changed over time?

As of July 2025, prices for Ottawa to Houston George Bush Intcntl Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

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

Best Price Found

$207

Fastest flight time

8h 18m

Direct flights

None
The best one-way flight to Houston George Bush Intcntl Airport from Ottawa in the past 72 hours is $207. The best round-trip flight deal from Ottawa to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $350.
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 8h 18m
There are no direct flights from Ottawa to Houston George Bush Intcntl Airport. Popular non-direct route for this connection is Ottawa Airport - 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 8h 18m, 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
8,900 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
Humble
Cypress
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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