Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Houston from $201

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 9/29. 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
7:05 am - 3:06 pm
YOW
-
IAH
9h 01m
1 stop
Multiple Airlines Logo
4:39 pm - 4:44 pm
IAH
-
YOW
23h 05m
1 stop
$384Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
1:20 pm - 2:05 pm
YOW
-
IAH
25h 45m
2 stops
Multiple Airlines Logo
8:35 am - 3:07 pm
IAH
-
YOW
29h 32m
1 stop
$390Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
Multiple Airlines Logo
7:00 am - 10:06 pm
YOW
-
IAH
40h 06m
2 stops
Multiple Airlines Logo
6:30 am - 5:35 am
IAH
-
YOW
22h 05m
1 stop
$417Multiple Airlines
Fri, Oct 9 - Fri, Oct 16
Multiple Airlines Logo
8:00 am - 8:20 pm
YOW
-
IAH
13h 20m
1 stop
Multiple Airlines Logo
8:44 pm - 4:44 pm
IAH
-
YOW
19h 00m
2 stops
$421Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
3:10 pm - 11:35 pm
YOW
-
IAH
9h 25m
1 stop
United Airlines Logo
9:30 am - 10:35 pm
IAH
-
YOW
12h 05m
1 stop
$599United Airlines
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
6:05 am - 1:39 pm
YOW
-
IAH
8h 34m
1 stop
United Airlines Logo
2:51 pm - 11:54 pm
IAH
-
YOW
8h 03m
1 stop
$599United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
5:20 pm - 10:46 pm
YOW
-
IAH
6h 26m
1 stop
United Airlines Logo
9:30 am - 4:38 pm
IAH
-
YOW
6h 08m
1 stop
$599United Airlines
Sat, Oct 3 - Tue, Oct 6
Air Canada Logo
9:10 am - 5:08 pm
YOW
-
IAH
8h 58m
1 stop
Air Canada Logo
12:00 pm - 7:30 pm
IAH
-
YOW
6h 30m
1 stop
$604Air Canada
Fri, Jan 29 - Sun, Feb 7
Air Canada Logo
5:10 am - 10:50 am
YOW
-
IAH
6h 40m
1 stop
Air Canada Logo
6:45 am - 3:10 pm
IAH
-
YOW
7h 25m
1 stop
$636Air Canada
Sat, Aug 22 - Fri, Aug 28
Air Canada Logo
2:35 pm - 7:38 pm
YOW
-
IAH
6h 03m
1 stop
Air Canada Logo
11:45 am - 7:10 pm
IAH
-
YOW
6h 25m
1 stop
$799Air Canada
Thu, Aug 13 - Sun, Aug 16

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

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets
American Airlines
Aug 30
YOW7:00 amOttawa
17h 58m
2 stops
IAH11:58 pmHouston George Bush Intcntl
Sep 6
IAH7:15 amHouston George Bush Intcntl
13h 05m
2 stops
YOW9:20 pmOttawa
$591
American Airlines
Oct 3
YOW7:00 amOttawa
12h 05m
2 stops
IAH6:05 pmHouston George Bush Intcntl
Oct 11
IAH6:00 amHouston George Bush Intcntl
13h 00m
2 stops
YOW8:00 pmOttawa
$632
American Airlines
Oct 10
YOW7:00 amOttawa
14h 06m
2 stops
IAH8:06 pmHouston George Bush Intcntl
Oct 13
IAH11:26 amHouston George Bush Intcntl
26h 29m
2 stops
YOW2:55 pmOttawa
$638

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
Oct 9
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
Oct 16
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$446
WestJet
Oct 15
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
Oct 19
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
$450
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
$488

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 August 3, 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

Thu 11/12

7:05 am-3:06 pm

1 stop9h 01m

Houston George Bush Intcntl

Mon 11/16

4:39 pm-4:44 pm

1 stop23h 05m

$384

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 8/30

1:20 pm-2:05 pm

2 stops25h 45m

Houston George Bush Intcntl

Sun 9/6

8:35 am-3:07 pm

1 stop29h 32m

$390

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/9

7:00 am-10:06 pm

2 stops40h 06m

Houston George Bush Intcntl

Fri 10/16

6:30 am-5:35 am

1 stop22h 05m

$417

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 11/12

8:00 am-8:20 pm

1 stop13h 20m

Houston George Bush Intcntl

Mon 11/16

8:44 pm-4:44 pm

2 stops19h 00m

$421

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/15

3:10 pm-11:35 pm

1 stop9h 25m

Houston George Bush Intcntl

Mon 10/19

9:30 am-10:35 pm

1 stop12h 05m

$599

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/1

6:05 am-1:39 pm

1 stop8h 34m

Houston George Bush Intcntl

Mon 10/5

2:51 pm-11:54 pm

1 stop8h 03m

$599

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 10/3

5:20 pm-10:46 pm

1 stop6h 26m

Houston George Bush Intcntl

Tue 10/6

9:30 am-4:38 pm

1 stop6h 08m

$599

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 1/29

9:10 am-5:08 pm

1 stop8h 58m

Houston George Bush Intcntl

Sun 2/7

12:00 pm-7:30 pm

1 stop6h 30m

$604

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

5:10 am-10:50 am

1 stop6h 40m

Houston George Bush Intcntl

Fri 8/28

6:45 am-3:10 pm

1 stop7h 25m

$636
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 8/13

2:35 pm-7:38 pm

1 stop6h 03m

Houston George Bush Intcntl

Sun 8/16

11:45 am-7:10 pm

1 stop6h 25m

$799

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?

Prices are currently low for flights on this route.

Typical prices usually range from $584 to $847.
The lowest price recently found on this route was $384.

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 $512. 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

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

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 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 $290Free CancellationRating
7.1
11,423 reviews
Search Air Canada flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
10,058 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 9/2
Wed 9/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States