What is the cheapest airline that flies from Ottawa to Houston George Bush Intcntl?

United Airlines and Air Canada are the most popular carriers operating from Ottawa to Houston George Bush Intcntl

What airlines fly to Houston George Bush Intcntl Airport?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Ottawa according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 3 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

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?

There are 2 operators available for flights from Ottawa Airport to Houston George Bush Intcntl Airport as of March 2026.

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.

$196 Cheap Flights from Ottawa to Houston George Bush Intcntl Airport in 2026

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Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 am - 7:02 am

YOW

IAH

22h 32m

1 stop

6:57 pm - 5:13 pm

IAH

YOW

21h 16m

1 stop

$336Multiple Airlines

Thu, Apr 9 - Tue, Apr 14

9:30 am - 11:46 am

YOW

IAH

27h 16m

1 stop

6:57 pm - 5:13 pm

IAH

YOW

21h 16m

1 stop

$351Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

9:30 am - 7:02 am

YOW

IAH

22h 32m

1 stop

6:57 pm - 4:51 pm

IAH

YOW

20h 54m

2 stops

$361Multiple Airlines

Thu, Apr 9 - Tue, Apr 14

3:05 pm - 7:02 am

YOW

IAH

16h 57m

2 stops

6:57 pm - 5:13 pm

IAH

YOW

21h 16m

1 stop

$368Multiple Airlines

Fri, Apr 10 - Tue, Apr 14

3:05 pm - 7:02 am

YOW

IAH

16h 57m

2 stops

2:23 pm - 11:58 pm

IAH

YOW

8h 35m

1 stop

$374Multiple Airlines

Fri, Apr 10 - Fri, Apr 17

11:00 am - 3:27 pm

YOW

IAH

29h 27m

2 stops

6:57 pm - 5:13 pm

IAH

YOW

21h 16m

1 stop

$376Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

4:15 pm - 11:59 pm

YOW

IAH

8h 44m

1 stop

6:27 pm - 12:25 am

IAH

YOW

28h 58m

1 stop

$378Multiple Airlines

Sat, Mar 28 - Wed, Apr 1

3:55 pm - 3:02 pm

YOW

IAH

24h 07m

1 stop

6:57 pm - 5:13 pm

IAH

YOW

21h 16m

1 stop

$382Multiple Airlines

Fri, Apr 10 - Tue, Apr 14

3:55 pm - 3:27 pm

YOW

IAH

24h 32m

1 stop

2:23 pm - 11:58 pm

IAH

YOW

8h 35m

1 stop

$393Multiple Airlines

Fri, Apr 10 - Fri, Apr 17

7:00 am - 10:50 pm

YOW

IAH

16h 50m

2 stops

9:46 am - 12:25 am

IAH

YOW

13h 39m

1 stop

$396Multiple Airlines

Mon, Apr 20 - Thu, Apr 30

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

YOW6:15 pmOttawa

20h 40m

2 stops

IAH1:55 pmHouston George Bush Intcntl

May 8

IAH6:30 amHouston George Bush Intcntl

29h 00m

2 stops

YOW12:30 pmOttawa

$474

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 45m

1 stop

YOW5:15 pmOttawa

$475

WestJet

May 5

YOW6:15 pmOttawa

20h 40m

2 stops

IAH1:55 pmHouston George Bush Intcntl

May 8

IAH6:30 amHouston George Bush Intcntl

29h 00m

2 stops

YOW12:30 pmOttawa

$488

momondo Fare Finder

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

Thu 4/9

9:30 am-7:02 am

1 stop22h 32m

Houston George Bush Intcntl

Tue 4/14

6:57 pm-5:13 pm

1 stop21h 16m

$336

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 4/7

9:30 am-11:46 am

1 stop27h 16m

Houston George Bush Intcntl

Tue 4/14

6:57 pm-5:13 pm

1 stop21h 16m

$351

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 4/9

9:30 am-7:02 am

1 stop22h 32m

Houston George Bush Intcntl

Tue 4/14

6:57 pm-4:51 pm

2 stops20h 54m

$361

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/10

3:05 pm-7:02 am

2 stops16h 57m

Houston George Bush Intcntl

Tue 4/14

6:57 pm-5:13 pm

1 stop21h 16m

$368

Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/10

3:05 pm-7:02 am

2 stops16h 57m

Houston George Bush Intcntl

Fri 4/17

2:23 pm-11:58 pm

1 stop8h 35m

$374

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 4/7

11:00 am-3:27 pm

2 stops29h 27m

Houston George Bush Intcntl

Tue 4/14

6:57 pm-5:13 pm

1 stop21h 16m

$376

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 3/28

4:15 pm-11:59 pm

1 stop8h 44m

Houston George Bush Intcntl

Wed 4/1

6:27 pm-12:25 am

1 stop28h 58m

$378

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/10

3:55 pm-3:02 pm

1 stop24h 07m

Houston George Bush Intcntl

Tue 4/14

6:57 pm-5:13 pm

1 stop21h 16m

$382

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/10

3:55 pm-3:27 pm

1 stop24h 32m

Houston George Bush Intcntl

Fri 4/17

2:23 pm-11:58 pm

1 stop8h 35m

$393

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 4/20

7:00 am-10:50 pm

2 stops16h 50m

Houston George Bush Intcntl

Thu 4/30

9:46 am-12:25 am

1 stop13h 39m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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	6h 53m
Direct flights	None

The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 6h 53m

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 53m, 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?
There are 2 operators available for flights from Ottawa Airport to Houston George Bush Intcntl Airport as of March 2026.
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?
Based on momondo bookings for flights between Ottawa and Houston George Bush Intcntl Airport, the leading airline is United Airlines, making up 52% of the total bookings. Other popular airlines include Air Canada with 48%.

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 Canada	PriceFrom $404	Free Cancellation	Rating 7.1 10,800 reviews		Search Air Canada flights
United Airlines	PriceFrom $602	Free Cancellation	Rating 7.4 9,418 reviews		Search United Airlines flights

Katy

The Woodlands

Conroe

Humble

Cypress

Spring

Montgomery

Tomball

Jersey Village

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.