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Cheap flights from Ottawa to Houston from $200

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 6/4. 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
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 - 8:55 am
YOW
-
IAH
26h 55m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$369Multiple Airlines
Tue, Jun 2 - Mon, Jun 8
Multiple Airlines Logo
7:00 am - 3:03 pm
YOW
-
IAH
9h 03m
1 stop
Multiple Airlines Logo
8:39 am - 12:20 am
IAH
-
YOW
14h 41m
2 stops
$377Multiple Airlines
Sat, May 30 - Sat, Jun 6
Multiple Airlines Logo
7:00 am - 7:33 am
YOW
-
IAH
25h 33m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$398Multiple Airlines
Wed, Jun 3 - Mon, Jun 8
Multiple Airlines Logo
7:00 am - 7:33 am
YOW
-
IAH
25h 33m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$400Multiple Airlines
Wed, Jun 3 - Mon, Jun 8
Multiple Airlines Logo
7:00 am - 10:16 pm
YOW
-
IAH
16h 16m
2 stops
Multiple Airlines Logo
5:29 pm - 5:37 pm
IAH
-
YOW
23h 08m
1 stop
$401Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
7:00 am - 8:50 am
YOW
-
IAH
26h 50m
2 stops
Multiple Airlines Logo
5:45 am - 3:00 pm
IAH
-
YOW
8h 15m
1 stop
$406Multiple Airlines
Fri, Jun 5 - Sat, Jun 13
WestJet Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
10h 35m
2 stops
$711WestJet
Thu, Jun 11 - Sun, Jun 21
WestJet Logo
6:55 am - 4:09 pm
YOW
-
HOU
10h 14m
2 stops
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
$714WestJet
Tue, Jun 2 - Mon, Jun 8
Delta Logo
6:55 am - 10:26 pm
YOW
-
HOU
16h 31m
2 stops
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
$748Delta
Tue, May 26 - Tue, Jun 2
WestJet Logo
6:25 pm - 9:43 pm
YOW
-
HOU
28h 18m
2 stops
WestJet Logo
10:09 am - 5:35 pm
HOU
-
YOW
30h 26m
2 stops
$750WestJet
Fri, Jun 12 - Mon, Jun 15

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American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets
American Airlines
May 5
YOW7:00 amOttawa
14h 05m
3 stops
IAH8:05 pmHouston George Bush Intcntl
May 8
IAH7:23 amHouston George Bush Intcntl
11h 37m
2 stops
YOW8:00 pmOttawa
$994
American Airlines
May 5
YOW7:00 amOttawa
14h 05m
3 stops
IAH8:05 pmHouston George Bush Intcntl
May 8
IAH7:23 amHouston George Bush Intcntl
11h 37m
2 stops
YOW8:00 pmOttawa
$995
American Airlines
Jun 13
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
Jun 20
HOU6:48 pmHouston Hobby
19h 07m
3 stops
YOW2:55 pmOttawa
$1,122

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
Jul 8
YOW8:15 pmOttawa
27h 25m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jul 14
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
$489
WestJet
Jul 8
YOW8:15 pmOttawa
27h 25m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jul 14
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
$497
WestJet
Jul 8
YOW8:15 pmOttawa
27h 25m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Jul 14
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
$501

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 May 1, 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

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 6/2

7:00 am-8:55 am

2 stops26h 55m

Houston George Bush Intcntl

Mon 6/8

5:29 pm-5:37 pm

1 stop23h 08m

$369
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 5/30

7:00 am-3:03 pm

1 stop9h 03m

Houston George Bush Intcntl

Sat 6/6

8:39 am-12:20 am

2 stops14h 41m

$377

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 6/3

7:00 am-7:33 am

2 stops25h 33m

Houston George Bush Intcntl

Mon 6/8

5:29 pm-5:37 pm

1 stop23h 08m

$398

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 6/3

7:00 am-7:33 am

2 stops25h 33m

Houston George Bush Intcntl

Mon 6/8

5:29 pm-5:37 pm

1 stop23h 08m

$400

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/26

7:00 am-10:16 pm

2 stops16h 16m

Houston George Bush Intcntl

Tue 6/2

5:29 pm-5:37 pm

1 stop23h 08m

$401

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 6/5

7:00 am-8:50 am

2 stops26h 50m

Houston George Bush Intcntl

Sat 6/13

5:45 am-3:00 pm

1 stop8h 15m

$406

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 6/11

6:55 am-9:43 pm

2 stops15h 48m

Houston Hobby

Sun 6/21

6:00 am-5:35 pm

2 stops10h 35m

$711

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 6/2

6:55 am-4:09 pm

2 stops10h 14m

Houston Hobby

Mon 6/8

6:00 am-12:20 am

2 stops17h 20m

$714

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/26

6:55 am-10:26 pm

2 stops16h 31m

Houston Hobby

Tue 6/2

6:00 am-12:20 am

2 stops17h 20m

$748

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 6/12

6:25 pm-9:43 pm

2 stops28h 18m

Houston Hobby

Mon 6/15

10:09 am-5:35 pm

2 stops30h 26m

$750

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

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 July is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $167. The month of December is another great option to travel to Houston, with average flight prices from Ottawa averaging around $221.

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 05m

Direct flights

None
The fastest flight from Ottawa to Houston takes 6h 05m
There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.
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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 05m, 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
United AirlinesPriceFrom $354Free CancellationRating
7.4
9,675 reviews
Search United Airlines flights
Air CanadaPriceFrom $404Free CancellationRating
7.1
10,983 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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