Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Houston from $196

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 3/27. 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.

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
4:15 pm - 11:59 pm
YOW
-
IAH
8h 44m
1 stop
Multiple Airlines Logo
5:45 am - 5:25 pm
IAH
-
YOW
10h 40m
1 stop
$323Multiple Airlines
Sat, Mar 28 - Wed, Apr 1
Multiple Airlines Logo
9:30 am - 7:02 am
YOW
-
IAH
22h 32m
1 stop
Multiple Airlines Logo
6:57 pm - 5:13 pm
IAH
-
YOW
21h 16m
1 stop
$336Multiple Airlines
Thu, Apr 9 - Tue, Apr 14
Multiple Airlines Logo
4:15 pm - 4:06 pm
YOW
-
IAH
24h 51m
1 stop
Multiple Airlines Logo
9:15 pm - 5:13 pm
IAH
-
YOW
18h 58m
1 stop
$343Multiple Airlines
Wed, Mar 25 - Tue, Mar 31
Multiple Airlines Logo
9:30 am - 11:46 am
YOW
-
IAH
27h 16m
1 stop
Multiple Airlines Logo
6:57 pm - 5:13 pm
IAH
-
YOW
21h 16m
1 stop
$351Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
9:30 am - 7:02 am
YOW
-
IAH
22h 32m
1 stop
Multiple Airlines Logo
6:57 pm - 4:51 pm
IAH
-
YOW
20h 54m
2 stops
$361Multiple Airlines
Thu, Apr 9 - Tue, Apr 14
Multiple Airlines Logo
4:15 pm - 4:06 pm
YOW
-
IAH
24h 51m
1 stop
Multiple Airlines Logo
9:15 pm - 4:51 pm
IAH
-
YOW
18h 36m
2 stops
$367Multiple Airlines
Wed, Mar 25 - Tue, Mar 31
WestJet Logo
6:55 am - 4:28 pm
YOW
-
HOU
10h 33m
2 stops
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
$615WestJet
Tue, May 5 - Fri, May 8
WestJet Logo
6:55 am - 11:07 pm
YOW
-
HOU
17h 12m
2 stops
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
$616WestJet
Tue, May 5 - Fri, May 8
Delta Logo
5:40 am - 10:42 pm
YOW
-
HOU
18h 02m
2 stops
Delta Logo
6:00 am - 12:39 am
HOU
-
YOW
17h 39m
2 stops
$649Delta
Sat, Mar 28 - Wed, Apr 1
WestJet Logo
6:55 am - 4:09 pm
YOW
-
HOU
10h 14m
2 stops
WestJet Logo
10:27 am - 12:20 am
HOU
-
YOW
12h 53m
2 stops
$720WestJet
Thu, May 21 - Thu, May 28

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston 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
$488
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
$490
WestJet
May 5
YOW4:15 pmOttawa
22h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$525

United Airlines flights from Ottawa to Houston

Our best United Airlines deals on Ottawa to Houston flight tickets
United Airlines
Mar 20
YOW2:15 pmOttawa
11h 15m
1 stop
IAH12:30 amHouston George Bush Intcntl
Mar 22
IAH7:25 amHouston George Bush Intcntl
15h 29m
1 stop
YOW11:54 pmOttawa
$703
United Airlines
Mar 20
YOW12:00 pmOttawa
13h 36m
2 stops
IAH12:36 amHouston George Bush Intcntl
Mar 22
IAH7:25 amHouston George Bush Intcntl
15h 29m
1 stop
YOW11:54 pmOttawa
$760
United Airlines
Mar 20
YOW5:11 pmOttawa
7h 58m
1 stop
IAH12:09 amHouston George Bush Intcntl
Mar 22
IAH7:25 amHouston George Bush Intcntl
15h 29m
1 stop
YOW11:54 pmOttawa
$796

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 March 11, 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

Sat 3/28

4:15 pm-11:59 pm

1 stop8h 44m

Houston George Bush Intcntl

Wed 4/1

5:45 am-5:25 pm

1 stop10h 40m

$323

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

Wed 3/25

4:15 pm-4:06 pm

1 stop24h 51m

Houston George Bush Intcntl

Tue 3/31

9:15 pm-5:13 pm

1 stop18h 58m

$343

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

Wed 3/25

4:15 pm-4:06 pm

1 stop24h 51m

Houston George Bush Intcntl

Tue 3/31

9:15 pm-4:51 pm

2 stops18h 36m

$367

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 am-4:28 pm

2 stops10h 33m

Houston Hobby

Fri 5/8

6:00 am-12:20 am

2 stops17h 20m

$615

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 am-11:07 pm

2 stops17h 12m

Houston Hobby

Fri 5/8

6:00 am-12:20 am

2 stops17h 20m

$616

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 3/28

5:40 am-10:42 pm

2 stops18h 02m

Houston Hobby

Wed 4/1

6:00 am-12:39 am

2 stops17h 39m

$649

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 5/21

6:55 am-4:09 pm

2 stops10h 14m

Houston Hobby

Thu 5/28

10:27 am-12:20 am

2 stops12h 53m

$720

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 May is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $439. The month of December is another great option to travel to Houston, with average flight prices from Ottawa averaging around $488.

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 53m

Direct flights

None
The fastest flight from Ottawa to Houston takes 6h 53m
There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.
Search flight deals

  • 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 53m, 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 $404Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
United AirlinesPriceFrom $602Free CancellationRating
7.4
9,413 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
Fri 4/10
Fri 4/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States