$143+ Cheap flights from Houston to Ottawa (YOW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Apr 19 — Apr 261
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Ottawa with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Houston to Ottawa
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Cheapest flights from Houston to OttawaExplore the most affordable flight options available from Houston to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
Explore the most affordable flight options available from Houston to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:16 am
IAH
- YOW
1 stop11h 42m
Multiple Airlines
Tue 4/79:30 am
YOW
- IAH
1 stop27h 16m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:16 am
IAH
- YOW
1 stop11h 42m
Multiple Airlines
Wed 4/87:00 am
YOW
- IAH
1 stop11h 32m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:05 pm
IAH
- YOW
1 stop25h 53m
Multiple Airlines
Wed 4/87:00 am
YOW
- IAH
1 stop11h 32m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 am
IAH
- YOW
1 stop15h 58m
Multiple Airlines
Tue 4/217:00 am
YOW
- IAH
1 stop16h 47m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:05 pm
IAH
- YOW
1 stop25h 53m
Multiple Airlines
Mon 4/67:00 am
YOW
- IAH
1 stop26h 40m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:20 pm
IAH
- YOW
1 stop23h 53m
Multiple Airlines
Sun 4/54:20 pm
YOW
- IAH
2 stops40h 09m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:05 am
IAH
- YOW
1 stop9h 20m
Multiple Airlines
Mon 4/139:30 am
YOW
- IAH
1 stop24h 08m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
HOU
- YOW
2 stops17h 20m
Delta
Tue 5/126:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/19![Delta logo]()
$772
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:31 pm
HOU
- YOW
2 stops9h 49m
WestJet
Wed 5/66:55 am
YOW
- HOU
2 stops10h 33m
WestJet
Deal found 3/19![WestJet logo]()
$773
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
HOU
- YOW
2 stops17h 20m
Delta
Fri 5/86:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/17![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
HOU
- YOW
2 stops17h 20m
Delta
Tue 5/196:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/18![Delta logo]()
$858
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:21 pm
HOU
- YOW
2 stops21h 05m
American Airlines
Tue 4/286:45 am
YOW
- HOU
3 stops14h 06m
American Airlines
Deal found 3/17![American Airlines logo]()
$901
Best flights from Houston to OttawaDiscover carefully curated flight deals from Houston to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
Discover carefully curated flight deals from Houston to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:16 am
IAH
- YOW
1 stop11h 42m
Multiple Airlines
Wed 4/87:00 am
YOW
- IAH
1 stop11h 32m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$333
This oojo deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:50 pm
IAH
- YOW
1 stop25h 25m
WestJet
Tue 5/127:20 am
YOW
- IAH
1 stop31h 35m
WestJet
Deal found 3/18![WestJet logo]()
$638
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 am
IAH
- YOW
2 stops16h 20m
Delta
Tue 5/126:55 am
YOW
- IAH
2 stops14h 05m
Delta
Deal found 3/19![Delta logo]()
$673
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:50 pm
IAH
- YOW
2 stops14h 13m
United Airlines
Tue 5/127:30 pm
YOW
- IAH
2 stops13h 51m
United Airlines
Deal found 3/18![United Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:14 pm
IAH
- YOW
2 stops42h 21m
Multiple Airlines
Mon 4/137:00 am
YOW
- IAH
1 stop26h 40m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:21 pm
HOU
- YOW
2 stops21h 05m
American Airlines
Tue 4/286:45 am
YOW
- HOU
3 stops14h 06m
American Airlines
Deal found 3/17![American Airlines logo]()
$901
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:58 pm
IAH
- YOW
1 stop21h 42m
Multiple Airlines
Wed 5/67:00 am
YOW
- IAH
2 stops12h 49m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:29 am
IAH
- YOW
2 stops14h 51m
Multiple Airlines
Sun 5/312:20 pm
YOW
- IAH
1 stop10h 39m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:07 pm
IAH
- YOW
2 stops12h 56m
United Airlines
Tue 4/286:00 am
YOW
- IAH
2 stops15h 33m
United Airlines
Deal found 3/17![United Airlines logo]()
$741
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:30 pm
IAH
- YOW
3 stops23h 38m
Multiple Airlines
Mon 4/66:45 am
YOW
- IAH
3 stops28h 33m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
HOU
- YOW
2 stops17h 20m
Delta
Tue 5/126:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/19![Delta logo]()
$772
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:31 pm
HOU
- YOW
2 stops9h 49m
WestJet
Wed 5/66:55 am
YOW
- HOU
2 stops10h 33m
WestJet
Deal found 3/19![WestJet logo]()
$773
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
HOU
- YOW
2 stops17h 20m
Delta
Fri 5/86:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/17![Delta logo]()
$820
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1912:07 pm
IAH
- YOW
1 stop11h 43m
Multiple Airlines
Thu 6/258:35 am
YOW
- IAH
1 stop15h 05m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$669
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
HOU
- YOW
2 stops17h 20m
Delta
Tue 5/196:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/18![Delta logo]()
$858
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
HOU
- YOW
2 stops17h 20m
Delta
Sun 5/316:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/17![Delta logo]()
$962
This Justfly.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:35 pm
HOU
- YOW
2 stops29h 45m
WestJet
Thu 7/26:55 am
YOW
- HOU
2 stops15h 43m
WestJet
Deal found 3/18![WestJet logo]()
$1,228
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:53 am
HOU
- YOW
2 stops12h 46m
Delta
Tue 4/286:55 am
YOW
- HOU
2 stops10h 33m
Delta
Deal found 3/17![Delta logo]()
$1,053
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:00 am
HOU
- YOW
2 stops17h 20m
Delta
Mon 5/256:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/19![Delta logo]()
$1,154
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:31 pm
HOU
- YOW
2 stops9h 49m
Delta
Sun 5/106:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 3/19![Delta logo]()
$1,193
Last-minute flights from Houston to OttawaDiscover last-minute flight deals from Houston to Ottawa. Data last updated March 20, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ottawa. Data last updated March 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:20 pm
IAH
- YOW
1 stop23h 53m
Multiple Airlines
Sun 4/54:20 pm
YOW
- IAH
2 stops40h 09m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
HOU
- YOW
2 stops9h 51m
American Airlines
Sun 4/56:45 am
YOW
- HOU
3 stops14h 05m
American Airlines
Deal found 3/16![American Airlines logo]()
$1,227
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:05 am
IAH
- YOW
1 stop9h 20m
Multiple Airlines
Mon 4/139:30 am
YOW
- IAH
1 stop24h 08m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:20 pm
HOU
- YOW
2 stops19h 31m
American Airlines
Sun 4/126:45 am
YOW
- HOU
3 stops14h 06m
American Airlines
Deal found 3/17![American Airlines logo]()
$1,186
This FlightHub deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:33 am
HOU
- YOW
2 stops36h 06m
WestJet
Sun 4/125:40 am
YOW
- HOU
2 stops35h 48m
WestJet
Deal found 3/17![WestJet logo]()
$1,204
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:05 pm
IAH
- YOW
1 stop25h 53m
Multiple Airlines
Wed 4/87:00 am
YOW
- IAH
1 stop11h 32m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:05 pm
IAH
- YOW
1 stop25h 53m
Multiple Airlines
Mon 4/67:00 am
YOW
- IAH
1 stop26h 40m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:16 am
IAH
- YOW
1 stop11h 42m
Multiple Airlines
Tue 4/79:30 am
YOW
- IAH
1 stop27h 16m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:16 am
IAH
- YOW
1 stop11h 42m
Multiple Airlines
Wed 4/87:00 am
YOW
- IAH
1 stop11h 32m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 am
IAH
- YOW
1 stop15h 58m
Multiple Airlines
Tue 4/217:00 am
YOW
- IAH
1 stop16h 47m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:21 pm
HOU
- YOW
2 stops21h 05m
American Airlines
Tue 4/286:45 am
YOW
- HOU
3 stops14h 06m
American Airlines
Deal found 3/17![American Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:53 am
HOU
- YOW
2 stops12h 46m
Delta
Tue 4/286:55 am
YOW
- HOU
2 stops10h 33m
Delta
Deal found 3/17![Delta logo]()
$1,053
One-way flights from Houston to OttawaSearch for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
Search for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:23 pm
IAH
- YOW
1 stop8h 35m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:05 am
IAH
- YOW
2 stops40h 53m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:58 pm
IAH
- YOW
1 stop21h 27m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 am
IAH
- YOW
1 stop8h 15m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:39 am
IAH
- YOW
2 stops23h 46m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
HOU
- YOW
2 stops17h 39m
Delta
Deal found 3/17![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
HOU
- YOW
2 stops17h 20m
Delta
Deal found 3/17![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:53 am
HOU
- YOW
2 stops12h 46m
Delta
Deal found 3/16![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:31 pm
HOU
- YOW
2 stops33h 49m
Delta
Deal found 3/19![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
HOU
- YOW
2 stops17h 20m
Delta
Deal found 3/18![Delta logo]()
$442
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:21 pm
HOU
- YOW
3 stops21h 05m
American Airlines
Deal found 3/18![American Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:01 am
HOU
- YOW
3 stops12h 59m
American Airlines
Deal found 3/17![American Airlines logo]()
$584
Find flight deals from Houston to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 20, 2026.
Round-trip from | $320 (Kiwi.com) |
|---|---|
One-way from | $143 (Trip.com) |
Popular in | October |
Cheapest in | December |
Average price | $718 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Ottawa 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, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
Use the filters below to find and compare flights from Houston to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 4/4
11:16 am-11:58 pm
1 stop11h 42m
Ottawa
Wed 4/8
7:00 am-5:32 pm
1 stop11h 32m
$333
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 4/2
5:14 pm-12:35 pm
2 stops42h 21m
Ottawa
Mon 4/13
7:00 am-8:40 am
1 stop26h 40m
$402
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Fri 5/1
6:58 pm-5:40 pm
1 stop21h 42m
Ottawa
Wed 5/6
7:00 am-6:49 pm
2 stops12h 49m
$432
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 5/28
8:29 am-12:20 am
2 stops14h 51m
Ottawa
Sun 5/31
2:20 pm-11:59 pm
1 stop10h 39m
$456
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Fri 4/3
4:30 pm-5:08 pm
3 stops23h 38m
Ottawa
Mon 4/6
6:45 am-10:18 am
3 stops28h 33m
$578
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 5/7
2:50 pm-5:15 pm
1 stop25h 25m
Ottawa
Tue 5/12
7:20 am-1:55 pm
1 stop31h 35m
$638
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Fri 6/19
12:07 pm-12:50 am
1 stop11h 43m
Ottawa
Thu 6/25
8:35 am-10:40 pm
1 stop15h 05m
$669
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 5/7
7:00 am-12:20 am
2 stops16h 20m
Ottawa
Tue 5/12
6:55 am-8:00 pm
2 stops14h 05m
$673
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 5/7
6:50 pm-10:03 am
2 stops14h 13m
Ottawa
Tue 5/12
7:30 pm-8:21 am
2 stops13h 51m
$715
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 4/23
8:07 pm-10:03 am
2 stops12h 56m
Ottawa
Tue 4/28
6:00 am-8:33 pm
2 stops15h 33m
$741
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Houston to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Houston with our price prediction graph.
HO1-YOW
IAH-YOW
HOU-YOW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston to Ottawa
HO1-YOW
IAH-YOW
HOU-YOW
What is the cheapest month to book a flight from Houston to Ottawa?
Currently, November is the cheapest month in which you can book a flight from Houston to Ottawa (average of $186). Flying from Houston to Ottawa in January is currently the most expensive (average of $699). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Houston to Ottawa?
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated March 20, 2026.
Read reviews from past customers who have flown United Airlines and Air Canada from Houston to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Reviews
1 / 20
10.0
ExcellentSunderesh,Dec 2025
AUS - EWR
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Reviews
1 / 20
10.0
ExcellentSunderesh,Dec 2025
AUS - EWR
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Reviews
1 / 20
10.0
ExcellentSunderesh,Dec 2025
AUS - EWR
Related info for your journey
Find useful and relevant information for your journey from Houston to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
Petawawa
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Complete your trip
Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Ottawa by cabin class
Find flights from Houston to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Ottawa flights
Browse other Houston and Ottawa flight options. Last updated on March 20, 2026.
Other flights to Ottawa
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Houston to Ottawa
Discover the top 2 airlines that operate flights from Houston to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$325 | Average$726 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$380 | Average$838 | FlexibilityNo cancel fee | On-time69% |