$237+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Ottawa with Cheapflights
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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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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 May 16, 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 May 16, 2026.
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Sat 8/222:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Tue 9/18:15 pm
YOW
- IAH
1 stop27h 25m
WestJet
Deal found 5/13![WestJet logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 10/1912:21 pm
IAH
- YOW
1 stop10h 27m
Multiple Airlines
Sun 10/253:15 pm
YOW
- IAH
1 stop24h 51m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$498
This Trip.com deal was found by Cheapflights users on 5/12. 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.
Sun 8/22:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Sun 8/912:25 pm
YOW
- IAH
2 stops11h 15m
WestJet
Deal found 5/12![WestJet logo]()
$500
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 7/146:30 am
IAH
- YOW
1 stop11h 50m
WestJet
Thu 7/167:20 am
YOW
- IAH
1 stop16h 20m
WestJet
Deal found 5/12![WestJet logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 8/12:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Sun 8/912:25 pm
YOW
- IAH
2 stops11h 15m
WestJet
Deal found 5/12![WestJet logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/222:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Tue 9/17:00 am
YOW
- IAH
2 stops32h 51m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$525
This oojo deal was found by Cheapflights users on 5/13. 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.
Wed 8/52:50 pm
IAH
- YOW
1 stop25h 25m
WestJet
Mon 8/1012:25 pm
YOW
- IAH
2 stops11h 15m
WestJet
Deal found 5/13![WestJet logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Tue 6/92:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Tue 6/162:20 pm
YOW
- IAH
2 stops42h 03m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/292:50 pm
IAH
- YOW
1 stop21h 08m
Multiple Airlines
Tue 7/77:00 am
YOW
- IAH
2 stops32h 10m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Tue 6/167:24 pm
IAH
- YOW
2 stops23h 41m
Multiple Airlines
Tue 6/238:35 am
YOW
- IAH
1 stop30h 20m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$586
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 6/166:03 am
HOU
- YOW
2 stops17h 17m
WestJet
Tue 6/236:25 pm
YOW
- HOU
2 stops18h 47m
WestJet
Deal found 5/12![WestJet logo]()
$889
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 7/146:00 am
HOU
- YOW
2 stops17h 20m
Delta
Thu 7/166:55 am
YOW
- HOU
2 stops15h 56m
Delta
Deal found 5/12![Delta logo]()
$897
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 May 16, 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 May 16, 2026.
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Sat 8/222:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Tue 9/18:15 pm
YOW
- IAH
1 stop27h 25m
WestJet
Deal found 5/13![WestJet logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/222:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Tue 9/17:00 am
YOW
- IAH
2 stops32h 51m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 7/146:00 am
HOU
- YOW
2 stops17h 20m
Delta
Thu 7/166:55 am
YOW
- HOU
2 stops15h 56m
Delta
Deal found 5/12![Delta logo]()
$897
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 7/146:30 am
IAH
- YOW
1 stop11h 50m
WestJet
Thu 7/167:20 am
YOW
- IAH
1 stop16h 20m
WestJet
Deal found 5/12![WestJet logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 8/12:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Sun 8/912:25 pm
YOW
- IAH
2 stops11h 15m
WestJet
Deal found 5/12![WestJet logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Tue 6/167:24 pm
IAH
- YOW
2 stops23h 41m
Multiple Airlines
Tue 6/238:35 am
YOW
- IAH
1 stop30h 20m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$586
This Mytrip deal was found by Cheapflights users on 5/12. 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.
Tue 7/146:30 am
IAH
- YOW
3 stops28h 05m
Multiple Airlines
Thu 7/162:00 pm
YOW
- IAH
2 stops24h 55m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$592
This oojo deal was found by Cheapflights users on 5/13. 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.
Fri 7/172:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Mon 7/208:15 pm
YOW
- IAH
1 stop18h 40m
WestJet
Deal found 5/13![WestJet logo]()
$606
This Mytrip deal was found by Cheapflights users on 5/11. 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.
Mon 6/292:50 pm
IAH
- YOW
2 stops16h 15m
Multiple Airlines
Tue 7/77:20 am
YOW
- IAH
1 stop16h 20m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 5/13. 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 6/76:03 am
HOU
- YOW
2 stops17h 17m
Delta
Sat 6/136:55 am
YOW
- HOU
2 stops34h 28m
Delta
Deal found 5/13![Delta logo]()
$994
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 6/166:03 am
HOU
- YOW
2 stops17h 17m
WestJet
Tue 6/236:25 pm
YOW
- HOU
2 stops18h 47m
WestJet
Deal found 5/12![WestJet logo]()
$889
This Mytrip deal was found by Cheapflights users on 5/14. 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.
Sun 6/286:26 pm
HOU
- YOW
2 stops22h 11m
Multiple Airlines
Sat 7/111:20 pm
YOW
- HOU
3 stops28h 59m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$918
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 6/95:08 pm
HOU
- YOW
2 stops30h 12m
WestJet
Tue 6/166:25 pm
YOW
- HOU
2 stops28h 18m
WestJet
Deal found 5/12![WestJet logo]()
$911
This oojo deal was found by Cheapflights users on 5/11. 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.
Mon 6/296:03 am
HOU
- YOW
2 stops10h 32m
WestJet
Tue 7/76:55 am
YOW
- HOU
2 stops15h 56m
WestJet
Deal found 5/11![WestJet logo]()
$921
This oojo deal was found by Cheapflights users on 5/14. 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.
Sun 6/286:03 am
HOU
- YOW
2 stops34h 32m
WestJet
Sat 7/116:55 am
YOW
- HOU
2 stops27h 50m
WestJet
Deal found 5/14![WestJet logo]()
$974
This oojo deal was found by Cheapflights users on 5/13. 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.
Fri 7/176:00 am
HOU
- YOW
2 stops34h 35m
WestJet
Mon 7/206:25 pm
YOW
- HOU
2 stops28h 26m
WestJet
Deal found 5/13![WestJet logo]()
$999
This oojo deal was found by Cheapflights users on 5/13. 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.
Wed 8/56:00 am
HOU
- YOW
2 stops17h 20m
WestJet
Mon 8/106:25 pm
YOW
- HOU
2 stops18h 51m
WestJet
Deal found 5/13![WestJet logo]()
$1,005
This oojo deal was found by Cheapflights users on 5/12. 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.
Sun 8/25:14 pm
HOU
- YOW
2 stops30h 06m
WestJet
Sun 8/96:25 pm
YOW
- HOU
2 stops18h 51m
WestJet
Deal found 5/12![WestJet logo]()
$1,005
Last-minute flights from Houston to OttawaDiscover last-minute flight deals from Houston to Ottawa. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ottawa. Data last updated May 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Sun 6/78:39 am
IAH
- YOW
1 stop29h 21m
Multiple Airlines
Sat 6/137:00 am
YOW
- IAH
2 stops25h 23m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/88:39 am
IAH
- YOW
2 stops38h 41m
Multiple Airlines
Sat 6/137:00 am
YOW
- IAH
1 stop26h 47m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$650
This oojo deal was found by Cheapflights users on 5/12. 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.
Mon 6/86:03 am
HOU
- YOW
2 stops17h 17m
WestJet
Sat 6/136:55 am
YOW
- HOU
2 stops27h 19m
WestJet
Deal found 5/12![WestJet logo]()
$899
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Tue 6/92:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Tue 6/162:20 pm
YOW
- IAH
2 stops42h 03m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$537
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 6/95:08 pm
HOU
- YOW
2 stops30h 12m
WestJet
Tue 6/166:25 pm
YOW
- HOU
2 stops28h 18m
WestJet
Deal found 5/12![WestJet logo]()
$911
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Tue 6/167:24 pm
IAH
- YOW
2 stops23h 41m
Multiple Airlines
Tue 6/238:35 am
YOW
- IAH
1 stop30h 20m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$586
This oojo deal was found by Cheapflights users on 5/12. 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.
Tue 6/166:03 am
HOU
- YOW
2 stops17h 17m
WestJet
Tue 6/236:25 pm
YOW
- HOU
2 stops18h 47m
WestJet
Deal found 5/12![WestJet logo]()
$889
This oojo deal was found by Cheapflights users on 5/11. 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.
Mon 6/2210:09 am
HOU
- YOW
2 stops30h 26m
WestJet
Mon 6/296:25 pm
YOW
- HOU
2 stops22h 58m
WestJet
Deal found 5/11![WestJet logo]()
$941
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Sun 6/288:55 am
IAH
- YOW
1 stop29h 05m
Multiple Airlines
Sat 7/116:00 am
YOW
- IAH
2 stops33h 10m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$634
This Mytrip deal was found by Cheapflights users on 5/14. 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.
Sun 6/286:26 pm
HOU
- YOW
2 stops22h 11m
Multiple Airlines
Sat 7/111:20 pm
YOW
- HOU
3 stops28h 59m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/292:50 pm
IAH
- YOW
1 stop21h 08m
Multiple Airlines
Tue 7/77:00 am
YOW
- IAH
2 stops32h 10m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$565
This oojo deal was found by Cheapflights users on 5/11. 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.
Mon 6/291:10 pm
HOU
- YOW
2 stops27h 25m
WestJet
Tue 7/76:55 am
YOW
- HOU
2 stops15h 56m
WestJet
Deal found 5/11![WestJet logo]()
$921
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 May 16, 2026.
Search for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/118:02 pm
IAH
- YOW
2 stops17h 31m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/310:05 pm
IAH
- YOW
2 stops39h 28m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/110:05 pm
IAH
- YOW
3 stops41h 48m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/117:59 pm
HOU
- YOW
3 stops32h 36m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$329
This deal was found by Cheapflights users on 5/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:00 am
IAH
- YOW
1 stop6h 29m
Air Canada
Deal found 5/12![Air Canada logo]()
$371
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:20 am
IAH
- YOW
1 stop6h 51m
Air Canada
Deal found 5/12![Air Canada logo]()
$376
This Air Canada deal was found by Cheapflights users on 5/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:20 am
IAH
- YOW
1 stop12h 56m
Air Canada
Deal found 5/14![Air Canada logo]()
$400
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 May 16, 2026.
Round-trip from | $493 (Trip.com) |
|---|---|
One-way from | $237 (Kiwi.com) |
Popular in | October |
Cheapest in | December |
Average price | $791 |
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 May 16, 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 8/22
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Tue 9/1
8:15 pm-10:40 pm
1 stop27h 25m
$493
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 7/14
6:30 am-7:20 pm
1 stop11h 50m
Ottawa
Thu 7/16
7:20 am-10:40 pm
1 stop16h 20m
$514
Quickest round-trip
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 8/1
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Sun 8/9
12:25 pm-10:40 pm
2 stops11h 15m
$523
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 8/22
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Tue 9/1
7:00 am-2:51 pm
2 stops32h 51m
$525
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 6/16
7:24 pm-8:05 pm
2 stops23h 41m
Ottawa
Tue 6/23
8:35 am-1:55 pm
1 stop30h 20m
$586
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 7/14
6:30 am-11:35 am
3 stops28h 05m
Ottawa
Thu 7/16
2:00 pm-1:55 pm
2 stops24h 55m
$592
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Fri 7/17
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Mon 7/20
8:15 pm-1:55 pm
1 stop18h 40m
$606
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Mon 6/29
2:50 pm-8:05 am
2 stops16h 15m
Ottawa
Tue 7/7
7:20 am-10:40 pm
1 stop16h 20m
$609
HoustonOttawa
HOU - YOW
HOUYOW
Houston Hobby
Tue 6/16
6:03 am-12:20 am
2 stops17h 17m
Ottawa
Tue 6/23
6:25 pm-12:12 pm
2 stops18h 47m
$889
HoustonOttawa
HOU - YOW
HOUYOW
Houston Hobby
Tue 7/14
6:00 am-12:20 am
2 stops17h 20m
Ottawa
Thu 7/16
6:55 am-9:51 pm
2 stops15h 56m
$897
Showing 1-10 of 25 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 $156). Flying from Houston to Ottawa in October is currently the most expensive (average of $1,195). 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 May 16, 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.
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - 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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Alternative routes for Houston to Ottawa
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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 May 16, 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 May 16, 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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$860 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$387 | Average$726 | FlexibilityNo cancel fee | On-time67% |