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

WestJet and Air Canada are the most popular carriers operating from Ottawa to Houston

What airlines fly to Houston?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Houston from Ottawa according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 3 different airlines that fly to Houston 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?

Prices for flights from Ottawa Airport to Houston are updated daily.

How many operators does momondo search for flights from Ottawa Airport to Houston?

There are 2 operators available for flights from Ottawa Airport to Houston as of September 2026.

How old do you have to be to fly from Ottawa Airport to Houston?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston.

What documentation or ID do you need to fly to Houston?

The travel and health documents required for your trip to Houston 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$206 Cheap Flights from Ottawa to Houston in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

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Cheap round-trip flights

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12:25 pm - 10:40 pmYOW Ottawa-IAH Houston George Bush Intcntl

11h 15m2 stops Winnipeg Calgary

2:50 pm - 5:35 amIAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

$351WestJet

Thu, Sep 24 - Wed, Oct 7

1:20 pm - 10:40 pmYOW Ottawa-IAH Houston George Bush Intcntl

10h 20m1 stop Calgary

8:25 pm - 12:20 amIAH Houston George Bush Intcntl-YOW Ottawa

26h 55m2 stops Orlando Toronto Pearson Intl

$392Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

7:20 am - 10:40 pmYOW Ottawa-IAH Houston George Bush Intcntl

16h 20m1 stop Calgary

2:50 pm - 5:35 amIAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

$395WestJet

Thu, Sep 24 - Wed, Oct 7

1:20 pm - 6:02 amYOW Ottawa-IAH Houston George Bush Intcntl

17h 42m2 stops Calgary Las Vegas Harry Reid Intl

2:50 pm - 5:35 amIAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

$399Multiple Airlines

Wed, Sep 30 - Wed, Oct 7

3:10 pm - 8:53 pmYOW Ottawa-IAH Houston George Bush Intcntl

6h 43m1 stop Newark

7:21 am - 5:16 pmIAH Houston George Bush Intcntl-YOW Ottawa

8h 55m1 stop Chicago O'Hare Intl

$677United Airlines

Tue, Oct 6 - Sat, Oct 10

2:00 pm - 8:42 pmYOW Ottawa-IAH Houston George Bush Intcntl

7h 42m1 stop Washington, D.C. Dulles Intl

5:00 am - 7:27 pmIAH Houston George Bush Intcntl-YOW Ottawa

13h 27m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$686United Airlines

Thu, Dec 31 - Mon, Jan 4

6:00 am - 7:10 pmYOW Ottawa-IAH Houston George Bush Intcntl

14h 10m2 stops Newark Chicago O'Hare Intl

7:20 am - 9:56 pmIAH Houston George Bush Intcntl-YOW Ottawa

13h 36m2 stops Chicago O'Hare Intl Newark

$686United Airlines

Thu, Dec 31 - Mon, Jan 4

6:15 am - 7:40 pmYOW Ottawa-IAH Houston George Bush Intcntl

14h 25m1 stop Chicago O'Hare Intl

5:00 am - 2:18 pmIAH Houston George Bush Intcntl-YOW Ottawa

8h 18m1 stop Chicago O'Hare Intl

$700United Airlines

Fri, Feb 12 - Sat, Feb 20

9:10 am - 5:08 pmYOW Ottawa-IAH Houston George Bush Intcntl

8h 58m1 stop Toronto Pearson Intl

3:30 pm - 8:15 amIAH Houston George Bush Intcntl-YOW Ottawa

15h 45m1 stop Toronto Pearson Intl

$729Air Canada

Sat, Feb 27 - Sun, Mar 7

10:05 pm - 11:07 amYOW Ottawa-IAH Houston George Bush Intcntl

14h 02m1 stop Toronto Pearson Intl

6:20 pm - 1:40 amIAH Houston George Bush Intcntl-YOW Ottawa

6h 20m1 stop Toronto Pearson Intl

$1,351Air Canada

Fri, Oct 9 - Sun, Oct 25

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 3:24 pmYOW Ottawa-IAH Houston George Bush Intcntl

9h 24m1 stop Fort Lauderdale

10:09 pm - 2:33 pmIAH Houston George Bush Intcntl-YOW Ottawa

39h 24m2 stops Los Angeles Orlando

$818Multiple Airlines

Sat, Sep 5 - Wed, Sep 9

7:00 am - 3:24 pmYOW Ottawa-IAH Houston George Bush Intcntl

33h 24m2 stops Toronto Pearson Intl Fort Lauderdale

8:25 am - 3:07 pmIAH Houston George Bush Intcntl-YOW Ottawa

29h 42m1 stop Fort Lauderdale

$832Multiple Airlines

Sun, Sep 6 - Sun, Sep 20

6:25 pm - 4:30 pmYOW Ottawa-HOU Houston Hobby

23h 05m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson

3:09 pm - 12:20 amHOU Houston Hobby-YOW Ottawa

8h 11m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

$935WestJet

Tue, Sep 8 - Thu, Oct 15

8:35 am - 10:40 pmYOW Ottawa-IAH Houston George Bush Intcntl

15h 05m1 stop Calgary

8:25 am - 3:07 pmIAH Houston George Bush Intcntl-YOW Ottawa

29h 42m1 stop Fort Lauderdale

$935Multiple Airlines

Sun, Sep 6 - Sun, Sep 20

2:52 pm - 10:45 pmYOW Ottawa-IAH Houston George Bush Intcntl

8h 53m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

5:00 am - 2:27 pmIAH Houston George Bush Intcntl-YOW Ottawa

8h 27m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$936United Airlines

Sun, Sep 6 - Sun, Sep 20

6:25 am - 1:36 pmYOW Ottawa-IAH Houston George Bush Intcntl

8h 11m1 stop Chicago O'Hare Intl

9:30 am - 5:16 pmIAH Houston George Bush Intcntl-YOW Ottawa

6h 46m1 stop Chicago O'Hare Intl

$991United Airlines

Sat, Sep 5 - Wed, Sep 9

6:00 am - 10:19 pmYOW Ottawa-IAH Houston George Bush Intcntl

17h 19m2 stops Calgary Detroit Metropolitan Wayne County

11:26 am - 5:35 amIAH Houston George Bush Intcntl-YOW Ottawa

17h 09m2 stops Detroit Metropolitan Wayne County Calgary

$1,000WestJet

Sat, Sep 5 - Wed, Sep 9

3:35 pm - 12:06 pmYOW Ottawa-IAH Houston George Bush Intcntl

21h 31m2 stops Cancun Mexico City Benito Juarez

2:50 pm - 2:55 pmIAH Houston George Bush Intcntl-YOW Ottawa

23h 05m3 stops Calgary Winnipeg Toronto Pearson Intl

$1,161Multiple Airlines

Sat, Sep 5 - Wed, Sep 9

7:00 am - 8:12 pmYOW Ottawa-IAH Houston George Bush Intcntl

14h 12m3 stops Toronto Pearson Intl Washington, D.C. Reagan-National Charlotte Douglas

6:00 am - 8:00 pmIAH Houston George Bush Intcntl-YOW Ottawa

13h 00m2 stops Philadelphia Toronto Pearson Intl

$1,269American Airlines

Sun, Sep 6 - Sun, Sep 20

6:25 pm - 10:40 pmYOW Ottawa-IAH Houston George Bush Intcntl

29h 15m3 stops Toronto Pearson Intl Saskatoon Calgary

2:50 pm - 2:55 pmIAH Houston George Bush Intcntl-YOW Ottawa

23h 05m3 stops Calgary Winnipeg Toronto Pearson Intl

$1,300Multiple Airlines

Sat, Sep 5 - Wed, Sep 9

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American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

Oct 24

YOW7:00 amOttawa

17h 49m

3 stops

HOU11:49 pmHouston Hobby

Nov 1

HOU6:00 amHouston Hobby

10h 58m

2 stops

YOW5:58 pmOttawa

$886

American Airlines

Nov 5

YOW7:00 amOttawa

13h 39m

3 stops

HOU7:39 pmHouston Hobby

Nov 8

HOU6:00 amHouston Hobby

10h 58m

2 stops

YOW5:58 pmOttawa

$895

American Airlines

Dec 1

YOW7:00 amOttawa

13h 40m

3 stops

HOU7:40 pmHouston Hobby

Dec 14

HOU6:00 amHouston Hobby

10h 58m

2 stops

YOW5:58 pmOttawa

$1,007

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

Sep 24

YOW12:25 pmOttawa

11h 15m

2 stops

IAH10:40 pmHouston George Bush Intcntl

Oct 7

IAH2:50 pmHouston George Bush Intcntl

13h 45m

1 stop

YOW5:35 amOttawa

$351

WestJet

Sep 24

YOW7:20 amOttawa

16h 20m

1 stop

IAH10:40 pmHouston George Bush Intcntl

Oct 7

IAH2:50 pmHouston George Bush Intcntl

13h 45m

1 stop

YOW5:35 amOttawa

$395

WestJet

Sep 30

YOW8:15 pmOttawa

27h 25m

1 stop

IAH10:40 pmHouston George Bush Intcntl

Oct 7

IAH2:50 pmHouston George Bush Intcntl

13h 45m

1 stop

YOW5:35 amOttawa

$401

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 9/24

12:25 pm-10:40 pm

2 stops11h 15m

Houston George Bush Intcntl

Wed 10/7

2:50 pm-5:35 am

1 stop13h 45m

$351

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 9/24

1:20 pm-10:40 pm

1 stop10h 20m

Houston George Bush Intcntl

Sat 9/26

8:25 pm-12:20 am

2 stops26h 55m

$392

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 9/24

7:20 am-10:40 pm

1 stop16h 20m

Houston George Bush Intcntl

Wed 10/7

2:50 pm-5:35 am

1 stop13h 45m

$395

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 9/30

1:20 pm-6:02 am

2 stops17h 42m

Houston George Bush Intcntl

Wed 10/7

2:50 pm-5:35 am

1 stop13h 45m

$399

Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 10/6

3:10 pm-8:53 pm

1 stop6h 43m

Houston George Bush Intcntl

Sat 10/10

7:21 am-5:16 pm

1 stop8h 55m

$677

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 12/31

2:00 pm-8:42 pm

1 stop7h 42m

Houston George Bush Intcntl

Mon 1/4

5:00 am-7:27 pm

2 stops13h 27m

$686

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 12/31

6:00 am-7:10 pm

2 stops14h 10m

Houston George Bush Intcntl

Mon 1/4

7:20 am-9:56 pm

2 stops13h 36m

$686

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 2/12

6:15 am-7:40 pm

1 stop14h 25m

Houston George Bush Intcntl

Sat 2/20

5:00 am-2:18 pm

1 stop8h 18m

$700

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 2/27

9:10 am-5:08 pm

1 stop8h 58m

Houston George Bush Intcntl

Sun 3/7

3:30 pm-8:15 am

1 stop15h 45m

$729

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 10/9

10:05 pm-11:07 am

1 stop14h 02m

Houston George Bush Intcntl

Sun 10/25

6:20 pm-1:40 am

1 stop6h 20m

$1,351

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

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?

The month of October is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $511. The month of May is another great option to travel to Houston, with average flight prices from Ottawa averaging around $626.

Cheap Ottawa to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Houston

Best Price Found	$206
Fastest flight time	8h 10m
Direct flights	None

The best one-way flight to Houston from Ottawa in the past 72 hours is $206. The best round-trip flight deal from Ottawa to Houston found on momondo in the last 72 hours is $351.

The fastest flight from Ottawa to Houston takes 8h 10m

There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.

Search flight deals

Frequently asked questions about flying from Ottawa to Houston

How far is Ottawa to Houston by plane?
The distance between Ottawa and Houston is about 1517.5 mi. Flights usually cover this in 8h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ottawa Airport to Houston?
Prices for flights from Ottawa Airport to Houston are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Houston?
There are 2 operators available for flights from Ottawa Airport to Houston as of September 2026.
How old do you have to be to fly from Ottawa Airport to Houston?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston.
What documentation or ID do you need to fly to Houston?
The travel and health documents required for your trip to Houston 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to Houston

Compare and see reviews for airlines that fly from Ottawa to Houston with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $354	Free Cancellation	Rating 7.4 10,160 reviews		Search United Airlines flights
Air Canada	PriceFrom $404	Free Cancellation	Rating 7.1 11,579 reviews		Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Houston?

Finding the right flight to Houston from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from Ottawa to Houston with flexible booking policies on momondo?

All flight searches from Ottawa to Houston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Houston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Ottawa.

I’m not ready to book a flight from Ottawa to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Ottawa to Houston from $206

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 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

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How to get the cheapest flight ticket from Ottawa to Houston

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What airlines fly to Houston?

Cheap Ottawa to Houston flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Houston

Best airlines flying from Ottawa to Houston

Compare and see reviews for airlines that fly from Ottawa to Houston with momondo

Why use momondo?

An easier way to manage your Houston 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Houston

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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