Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Houston from $204

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 8/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 3:05 pm
YOW
-
IAH
9h 05m
1 stop
Multiple Airlines Logo
4:32 pm - 2:55 pm
IAH
-
YOW
21h 23m
2 stops
$371Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
7:00 am - 3:05 pm
YOW
-
IAH
9h 05m
1 stop
Multiple Airlines Logo
8:35 am - 2:55 pm
IAH
-
YOW
29h 20m
1 stop
$377Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
9:05 am - 10:14 pm
YOW
-
IAH
38h 09m
2 stops
Multiple Airlines Logo
8:35 am - 2:55 pm
IAH
-
YOW
29h 20m
1 stop
$408Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
2:10 pm - 7:20 am
YOW
-
IAH
18h 10m
2 stops
Multiple Airlines Logo
7:23 pm - 2:33 pm
IAH
-
YOW
18h 10m
1 stop
$439Multiple Airlines
Wed, Aug 5 - Thu, Aug 6
Multiple Airlines Logo
2:10 pm - 7:20 am
YOW
-
IAH
18h 10m
2 stops
Multiple Airlines Logo
7:23 pm - 2:33 pm
IAH
-
YOW
18h 10m
1 stop
$453Multiple Airlines
Tue, Aug 4 - Thu, Aug 6
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
6:30 am - 11:35 am
IAH
-
YOW
28h 05m
2 stops
$484WestJet
Sat, Aug 22 - Fri, Aug 28
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
6:30 am - 11:35 am
IAH
-
YOW
28h 05m
2 stops
$485WestJet
Sat, Aug 22 - Fri, Aug 28
Delta Logo
6:55 am - 10:40 pm
YOW
-
HOU
16h 45m
2 stops
Delta Logo
5:26 pm - 12:20 am
HOU
-
YOW
29h 54m
2 stops
$663Delta
Fri, Sep 11 - Tue, Sep 15
Delta Logo
6:55 am - 10:05 pm
YOW
-
HOU
16h 10m
2 stops
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
$692Delta
Wed, Aug 5 - Fri, Aug 7
American Airlines Logo
7:00 am - 7:51 pm
YOW
-
HOU
13h 51m
3 stops
American Airlines Logo
6:14 pm - 2:55 pm
HOU
-
YOW
19h 41m
3 stops
$764American Airlines
Wed, Aug 5 - Sat, Aug 8

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

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets
Delta
Sep 11
YOW6:55 amOttawa
16h 45m
2 stops
HOU10:40 pmHouston Hobby
Sep 15
HOU5:26 pmHouston Hobby
29h 54m
2 stops
YOW12:20 amOttawa
$663
Delta
Aug 5
YOW6:55 amOttawa
16h 10m
2 stops
HOU10:05 pmHouston Hobby
Aug 7
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
$692
Delta
Aug 5
YOW6:55 amOttawa
16h 10m
2 stops
HOU10:05 pmHouston Hobby
Aug 12
HOU10:50 amHouston Hobby
12h 30m
2 stops
YOW12:20 amOttawa
$693

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH6:30 amHouston George Bush Intcntl
28h 05m
2 stops
YOW11:35 amOttawa
$484
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH6:30 amHouston George Bush Intcntl
28h 05m
2 stops
YOW11:35 amOttawa
$485
WestJet
Aug 22
YOW12:25 pmOttawa
26h 30m
2 stops
IAH1:55 pmHouston George Bush Intcntl
Aug 28
IAH6:30 amHouston George Bush Intcntl
28h 05m
2 stops
YOW11:35 amOttawa
$511

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Houston 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 July 13, 2026.
Use the filters below to find and compare flights from Ottawa to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 8/17

7:00 am-3:05 pm

1 stop9h 05m

Houston George Bush Intcntl

Sun 8/23

4:32 pm-2:55 pm

2 stops21h 23m

$371

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 8/17

7:00 am-3:05 pm

1 stop9h 05m

Houston George Bush Intcntl

Sun 8/23

8:35 am-2:55 pm

1 stop29h 20m

$377

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 8/23

9:05 am-10:14 pm

2 stops38h 09m

Houston George Bush Intcntl

Sun 8/30

8:35 am-2:55 pm

1 stop29h 20m

$408

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 8/5

2:10 pm-7:20 am

2 stops18h 10m

Houston George Bush Intcntl

Thu 8/6

7:23 pm-2:33 pm

1 stop18h 10m

$439

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 8/4

2:10 pm-7:20 am

2 stops18h 10m

Houston George Bush Intcntl

Thu 8/6

7:23 pm-2:33 pm

1 stop18h 10m

$453

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

12:25 pm-10:40 pm

2 stops11h 15m

Houston George Bush Intcntl

Fri 8/28

6:30 am-11:35 am

2 stops28h 05m

$484

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

12:25 pm-10:40 pm

2 stops11h 15m

Houston George Bush Intcntl

Fri 8/28

6:30 am-11:35 am

2 stops28h 05m

$485

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 9/11

6:55 am-10:40 pm

2 stops16h 45m

Houston Hobby

Tue 9/15

5:26 pm-12:20 am

2 stops29h 54m

$663

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 8/5

6:55 am-10:05 pm

2 stops16h 10m

Houston Hobby

Fri 8/7

6:00 am-12:20 am

2 stops17h 20m

$692

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 8/5

7:00 am-7:51 pm

3 stops13h 51m

Houston Hobby

Sat 8/8

6:14 pm-2:55 pm

3 stops19h 41m

$764

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

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?

What is the cheapest month to fly to Houston?

The month of December is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $221. The month of September is another great option to travel to Houston, with average flight prices from Ottawa averaging around $274.

Cheap Ottawa to Houston flight deals and tips

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

Fastest flight time

6h 33m

Direct flights

None
The fastest flight from Ottawa to Houston takes 6h 33m
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 6h 33m, 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?

  • 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
Air CanadaPriceFrom $290Free CancellationRating
7.1
11,334 reviews
Search Air Canada flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
9,984 reviews
Search United Airlines 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.

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.
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 8/12
Wed 8/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States