$174+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Jun 1 — Jun 81
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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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 2, 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 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/287:28 pm
IAH
- YOW
1 stop18h 05m
Multiple Airlines
Mon 6/17:00 am
YOW
- IAH
1 stop9h 03m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/148:29 am
IAH
- YOW
1 stop29h 31m
Multiple Airlines
Mon 5/184:20 pm
YOW
- IAH
1 stop27h 29m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/287:28 pm
IAH
- YOW
1 stop18h 05m
Multiple Airlines
Tue 6/27:00 am
YOW
- IAH
2 stops33h 13m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/48:02 pm
IAH
- YOW
2 stops41h 58m
Multiple Airlines
Tue 6/92:20 pm
YOW
- IAH
1 stop21h 33m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/146:30 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Wed 6/177:00 am
YOW
- IAH
2 stops16h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 8/207:04 pm
IAH
- YOW
1 stop18h 29m
Multiple Airlines
Wed 8/267:00 am
YOW
- IAH
2 stops12h 09m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/292:20 pm
IAH
- YOW
2 stops23h 40m
Multiple Airlines
Fri 6/57:00 am
YOW
- IAH
1 stop26h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/227:00 am
IAH
- YOW
1 stop9h 40m
Multiple Airlines
Sun 8/305:55 pm
YOW
- IAH
2 stops16h 49m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$455
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Thu 8/206:05 pm
HOU
- YOW
2 stops22h 35m
Multiple Airlines
Wed 8/268:15 pm
YOW
- HOU
2 stops24h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$831
This Delta deal was found by Cheapflights users on 4/28. 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 6/126:00 am
HOU
- YOW
2 stops17h 20m
Delta
Fri 6/196:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 4/28![Delta logo]()
$910
This FlightHub deal was found by Cheapflights users on 4/30. 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 5/2110:27 am
HOU
- YOW
2 stops12h 53m
WestJet
Tue 5/266:55 am
YOW
- HOU
2 stops10h 14m
WestJet
Deal found 4/30![WestJet logo]()
$917
This Delta deal was found by Cheapflights users on 4/28. 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 7/96:00 am
HOU
- YOW
2 stops17h 20m
Delta
Sat 7/116:55 am
YOW
- HOU
2 stops15h 56m
Delta
Deal found 4/28![Delta logo]()
$921
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 2, 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 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/148:29 am
IAH
- YOW
1 stop29h 31m
Multiple Airlines
Mon 5/184:20 pm
YOW
- IAH
1 stop27h 29m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 4/28. 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 6/126:00 am
HOU
- YOW
2 stops17h 20m
Delta
Fri 6/196:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 4/28![Delta logo]()
$910
This FlightHub deal was found by Cheapflights users on 4/30. 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 5/2110:27 am
HOU
- YOW
2 stops12h 53m
WestJet
Tue 5/266:55 am
YOW
- HOU
2 stops10h 14m
WestJet
Deal found 4/30![WestJet logo]()
$917
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/227:00 am
IAH
- YOW
1 stop9h 40m
Multiple Airlines
Sun 8/302:20 pm
YOW
- IAH
1 stop20h 24m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/149:58 am
IAH
- YOW
1 stop28h 02m
Multiple Airlines
Sun 6/216:15 pm
YOW
- IAH
2 stops43h 31m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$485
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/146:30 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Wed 6/177:00 am
YOW
- IAH
3 stops16h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/87:00 am
IAH
- YOW
1 stop9h 40m
Multiple Airlines
Sun 8/166:25 pm
YOW
- IAH
2 stops39h 21m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$499
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/292:20 pm
IAH
- YOW
2 stops23h 40m
Multiple Airlines
Fri 6/57:00 am
YOW
- IAH
3 stops16h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$520
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Wed 5/2711:49 am
IAH
- YOW
3 stops24h 05m
Multiple Airlines
Fri 6/122:20 pm
YOW
- IAH
2 stops15h 30m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 4/28. 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 7/96:00 am
HOU
- YOW
2 stops17h 20m
Delta
Sat 7/116:55 am
YOW
- HOU
2 stops15h 56m
Delta
Deal found 4/28![Delta logo]()
$921
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Thu 5/2811:49 am
IAH
- YOW
2 stops23h 26m
Multiple Airlines
Tue 6/26:15 pm
YOW
- IAH
3 stops35h 40m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$532
This oojo deal was found by Cheapflights users on 5/1. 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 7/96:00 am
HOU
- YOW
2 stops34h 35m
WestJet
Sat 7/116:55 am
YOW
- HOU
2 stops30h 10m
WestJet
Deal found 5/1![WestJet logo]()
$959
This eDestinos deal was found by Cheapflights users on 5/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:00 pm
HOU
- YOW
2 stops27h 35m
WestJet
Wed 8/266:55 am
YOW
- HOU
2 stops27h 20m
WestJet
Deal found 5/1![WestJet logo]()
$964
This Delta deal was found by Cheapflights users on 4/27. 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 5/256:00 am
HOU
- YOW
2 stops17h 20m
Delta
Mon 6/16:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 4/27![Delta logo]()
$967
This Mytrip deal was found by Cheapflights users on 4/27. 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 5/125:45 am
IAH
- YOW
3 stops32h 10m
Multiple Airlines
Sat 5/167:00 am
YOW
- IAH
2 stops25h 33m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$567
This oojo deal was found by Cheapflights users on 4/27. 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.
Sat 8/85:14 pm
HOU
- YOW
2 stops23h 21m
WestJet
Sun 8/166:25 pm
YOW
- HOU
2 stops22h 58m
WestJet
Deal found 4/27![WestJet logo]()
$980
This Delta deal was found by Cheapflights users on 4/29. 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 5/136:00 am
HOU
- YOW
2 stops17h 20m
Delta
Sat 5/166:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 4/29![Delta logo]()
$1,079
This oojo deal was found by Cheapflights users on 4/27. 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 6/251:10 pm
HOU
- YOW
2 stops34h 10m
WestJet
Sun 6/286:25 pm
YOW
- HOU
2 stops28h 18m
WestJet
Deal found 4/27![WestJet logo]()
$991
This eDestinos deal was found by Cheapflights users on 5/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:27 am
HOU
- YOW
2 stops30h 08m
WestJet
Tue 6/26:55 am
YOW
- HOU
2 stops27h 37m
WestJet
Deal found 5/2![WestJet logo]()
$1,018
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Sat 8/225:35 pm
HOU
- YOW
2 stops29h 45m
WestJet
Sun 8/306:55 am
YOW
- HOU
2 stops10h 28m
WestJet
Deal found 4/29![WestJet logo]()
$1,064
This Justfly.com deal was found by Cheapflights users on 4/30. 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.
Sun 6/146:00 am
HOU
- YOW
2 stops10h 35m
WestJet
Wed 6/176:55 am
YOW
- HOU
2 stops27h 19m
WestJet
Deal found 4/30![WestJet logo]()
$1,073
Last-minute flights from Houston to OttawaDiscover last-minute flight deals from Houston to Ottawa. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ottawa. Data last updated May 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/126:50 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Sat 5/167:00 am
YOW
- IAH
1 stop17h 36m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/148:29 am
IAH
- YOW
1 stop29h 31m
Multiple Airlines
Mon 5/184:20 pm
YOW
- IAH
1 stop27h 29m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$404
This FlightHub deal was found by Cheapflights users on 4/30. 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 5/2110:27 am
HOU
- YOW
2 stops12h 53m
WestJet
Tue 5/266:55 am
YOW
- HOU
2 stops10h 14m
WestJet
Deal found 4/30![WestJet logo]()
$917
This Delta deal was found by Cheapflights users on 4/27. 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 5/256:00 am
HOU
- YOW
2 stops17h 20m
Delta
Mon 6/16:55 am
YOW
- HOU
2 stops16h 31m
Delta
Deal found 4/27![Delta logo]()
$967
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/287:28 pm
IAH
- YOW
1 stop18h 05m
Multiple Airlines
Mon 6/17:00 am
YOW
- IAH
1 stop9h 03m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/287:28 pm
IAH
- YOW
1 stop18h 05m
Multiple Airlines
Tue 6/27:00 am
YOW
- IAH
2 stops33h 13m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$414
This eDestinos deal was found by Cheapflights users on 5/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:27 am
HOU
- YOW
2 stops30h 08m
WestJet
Tue 6/26:55 am
YOW
- HOU
2 stops30h 16m
WestJet
Deal found 5/1![WestJet logo]()
$999
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/292:20 pm
IAH
- YOW
2 stops23h 40m
Multiple Airlines
Fri 6/57:00 am
YOW
- IAH
1 stop26h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/48:02 pm
IAH
- YOW
2 stops41h 58m
Multiple Airlines
Tue 6/92:20 pm
YOW
- IAH
1 stop21h 33m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/28. 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 6/126:00 am
HOU
- YOW
2 stops17h 20m
Delta
Fri 6/196:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 4/28![Delta logo]()
$910
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/146:30 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Wed 6/177:00 am
YOW
- IAH
2 stops16h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$424
This oojo deal was found by Cheapflights users on 4/27. 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 6/251:10 pm
HOU
- YOW
2 stops34h 10m
WestJet
Sun 6/286:25 pm
YOW
- HOU
2 stops28h 18m
WestJet
Deal found 4/27![WestJet logo]()
$991
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 2, 2026.
Search for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/287:28 pm
IAH
- YOW
1 stop18h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/296:00 am
IAH
- YOW
1 stop7h 33m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/174:31 pm
IAH
- YOW
1 stop24h 06m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/157:00 am
IAH
- YOW
2 stops33h 35m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/127:44 pm
IAH
- YOW
2 stops20h 51m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/208:53 pm
IAH
- YOW
3 stops31h 42m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/287:01 pm
HOU
- YOW
2 stops42h 59m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/157:31 pm
HOU
- YOW
3 stops45h 06m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$286
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Sat 6/206:00 am
HOU
- YOW
2 stops10h 35m
WestJet
Deal found 4/27![WestJet logo]()
$418
This FlightHub deal was found by Cheapflights users on 5/1. 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 5/810:27 am
HOU
- YOW
2 stops30h 08m
WestJet
Deal found 5/1![WestJet logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/86:00 am
HOU
- YOW
3 stops34h 47m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$607
This WestJet deal was found by Cheapflights users on 4/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:09 am
HOU
- YOW
2 stops13h 11m
WestJet
Deal found 4/30![WestJet logo]()
$748
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 2, 2026.
Round-trip from | $389 (Kiwi.com) |
|---|---|
One-way from | $174 (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 2, 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
Thu 5/14
8:29 am-3:00 pm
1 stop29h 31m
Ottawa
Mon 5/18
4:20 pm-6:49 pm
1 stop27h 29m
$404
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 8/22
7:00 am-5:40 pm
1 stop9h 40m
Ottawa
Sun 8/30
2:20 pm-9:44 am
1 stop20h 24m
$465
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sun 6/14
9:58 am-3:00 pm
1 stop28h 02m
Ottawa
Sun 6/21
6:15 pm-12:46 pm
2 stops43h 31m
$485
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sun 6/14
6:30 am-5:15 pm
1 stop9h 45m
Ottawa
Wed 6/17
7:00 am-10:50 pm
3 stops16h 50m
$497
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 8/8
7:00 am-5:40 pm
1 stop9h 40m
Ottawa
Sun 8/16
6:25 pm-8:46 am
2 stops39h 21m
$499
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Fri 5/29
2:20 pm-3:00 pm
2 stops23h 40m
Ottawa
Fri 6/5
7:00 am-10:50 pm
3 stops16h 50m
$520
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Wed 5/27
11:49 am-12:54 pm
3 stops24h 05m
Ottawa
Fri 6/12
2:20 pm-4:50 am
2 stops15h 30m
$523
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 5/28
11:49 am-12:15 pm
2 stops23h 26m
Ottawa
Tue 6/2
6:15 pm-4:55 am
3 stops35h 40m
$532
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 5/12
5:45 am-2:55 pm
3 stops32h 10m
Ottawa
Sat 5/16
7:00 am-7:33 am
2 stops25h 33m
$567
HoustonOttawa
HOU - YOW
HOUYOW
Houston Hobby
Fri 6/12
6:00 am-12:20 am
2 stops17h 20m
Ottawa
Fri 6/19
6:55 am-9:43 pm
2 stops15h 48m
$910
Showing 1-10 of 35 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 2, 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.
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
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 2, 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 2, 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$845 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$387 | Average$726 | FlexibilityNo cancel fee | On-time67% |