$230+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Sep 1 — Sep 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 August 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 August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 8/306:00 am
IAH
- YOW
2 stops31h 55m
Multiple Airlines
Mon 9/144:15 pm
YOW
- IAH
1 stop29h 59m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 10/58:25 pm
IAH
- YOW
2 stops22h 35m
Multiple Airlines
Mon 10/124:15 pm
YOW
- IAH
1 stop29h 49m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/188:25 am
IAH
- YOW
1 stop29h 50m
Multiple Airlines
Tue 9/227:00 am
YOW
- IAH
2 stops15h 14m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 10/49:04 pm
IAH
- YOW
2 stops17h 11m
Multiple Airlines
Mon 10/124:15 pm
YOW
- IAH
1 stop29h 49m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 10/48:25 am
IAH
- YOW
1 stop29h 50m
Multiple Airlines
Tue 10/137:00 am
YOW
- IAH
2 stops15h 04m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 8/308:35 am
IAH
- YOW
1 stop29h 20m
Multiple Airlines
Wed 9/167:00 am
YOW
- IAH
2 stops27h 26m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/166:30 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Mon 10/194:15 pm
YOW
- IAH
1 stop29h 49m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 8/304:32 pm
IAH
- YOW
2 stops21h 23m
Multiple Airlines
Sat 9/127:00 am
YOW
- IAH
1 stop9h 17m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 10/62:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Mon 10/124:15 pm
YOW
- IAH
1 stop29h 49m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sat 8/293:27 pm
IAH
- YOW
2 stops24h 56m
Multiple Airlines
Sat 9/57:00 am
YOW
- IAH
1 stop26h 02m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/288:25 pm
IAH
- YOW
2 stops22h 35m
Multiple Airlines
Fri 10/28:15 pm
YOW
- IAH
1 stop18h 40m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:19 pm
HOU
- YOW
2 stops20h 39m
American Airlines
Fri 12/181:00 pm
YOW
- HOU
2 stops20h 32m
American Airlines
Deal found 8/1![American Airlines logo]()
$852
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 August 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 August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/304:21 pm
IAH
- YOW
2 stops22h 59m
Multiple Airlines
Sat 10/37:00 am
YOW
- IAH
1 stop8h 13m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$425
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am
IAH
- YOW
3 stops16h 50m
WestJet
Fri 10/28:15 pm
YOW
- IAH
1 stop18h 40m
WestJet
Deal found 7/28![WestJet logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/308:35 am
IAH
- YOW
1 stop29h 20m
Multiple Airlines
Sun 9/69:05 am
YOW
- IAH
2 stops23h 15m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:41 am
HOU
- YOW
2 stops14h 39m
American Airlines
Wed 8/268:40 am
YOW
- HOU
3 stops12h 11m
American Airlines
Deal found 7/30![American Airlines logo]()
$917
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/266:00 am
HOU
- YOW
2 stops17h 20m
Delta
Wed 9/26:55 am
YOW
- HOU
2 stops16h 10m
Delta
Deal found 7/28![Delta logo]()
$951
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/302:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Sun 10/41:20 pm
YOW
- IAH
2 stops28h 27m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/302:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Sun 10/44:15 pm
YOW
- IAH
1 stop22h 40m
WestJet
Deal found 7/31![WestJet logo]()
$559
This ezTravel 易遊網 deal was found by Cheapflights users on 7/29. 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 ezTravel 易遊網 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Sat 10/242:35 pm
YOW
- IAH
1 stop6h 17m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$557
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/202:50 pm
IAH
- YOW
2 stops19h 45m
WestJet
Wed 8/266:55 am
YOW
- IAH
3 stops16h 45m
WestJet
Deal found 7/30![WestJet logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 8/1212:16 pm
IAH
- YOW
2 stops23h 09m
Multiple Airlines
Wed 8/268:15 pm
YOW
- IAH
1 stop18h 40m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$576
This WestJet deal was found by Cheapflights users on 7/27. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:50 pm
IAH
- YOW
2 stops20h 40m
WestJet
Sat 10/36:15 pm
YOW
- IAH
2 stops20h 40m
WestJet
Deal found 7/27![WestJet logo]()
$670
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:30 am
IAH
- YOW
1 stop22h 05m
WestJet
Thu 9/31:20 pm
YOW
- IAH
1 stop10h 20m
WestJet
Deal found 7/28![WestJet logo]()
$677
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/272:50 pm
IAH
- YOW
2 stops19h 45m
Multiple Airlines
Thu 9/38:55 am
YOW
- IAH
3 stops14h 45m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/309:32 am
HOU
- YOW
2 stops10h 48m
American Airlines
Sun 9/67:00 am
YOW
- HOU
3 stops13h 44m
American Airlines
Deal found 7/31![American Airlines logo]()
$934
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/275:41 am
HOU
- YOW
2 stops14h 39m
American Airlines
Sun 8/307:00 am
YOW
- HOU
3 stops13h 44m
American Airlines
Deal found 7/31![American Airlines logo]()
$994
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:26 pm
HOU
- YOW
2 stops29h 54m
WestJet
Tue 9/156:55 am
YOW
- HOU
2 stops10h 35m
WestJet
Deal found 7/30![WestJet logo]()
$926
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:09 am
HOU
- YOW
2 stops17h 11m
WestJet
Sat 10/246:55 am
YOW
- HOU
2 stops17h 08m
WestJet
Deal found 7/29![WestJet logo]()
$946
This oojo deal was found by Cheapflights users on 7/31. 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 10/166:09 am
HOU
- YOW
2 stops17h 11m
WestJet
Fri 10/305:40 am
YOW
- HOU
2 stops18h 23m
WestJet
Deal found 7/31![WestJet logo]()
$958
This oojo deal was found by Cheapflights users on 8/1. 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.
Sat 11/215:30 pm
HOU
- YOW
2 stops30h 12m
WestJet
Tue 11/245:40 am
YOW
- HOU
2 stops42h 33m
WestJet
Deal found 8/1![WestJet logo]()
$959
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:09 am
HOU
- YOW
2 stops17h 11m
WestJet
Mon 10/196:50 am
YOW
- HOU
2 stops34h 43m
WestJet
Deal found 7/30![WestJet logo]()
$962
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:20 pm
HOU
- YOW
2 stops30h 00m
WestJet
Wed 8/266:55 am
YOW
- HOU
2 stops16h 10m
WestJet
Deal found 7/30![WestJet logo]()
$968
This oojo deal was found by Cheapflights users on 8/1. 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.
Sat 8/2910:50 am
HOU
- YOW
2 stops12h 30m
WestJet
Sat 9/56:55 am
YOW
- HOU
2 stops27h 55m
WestJet
Deal found 8/1![WestJet logo]()
$983
Last-minute flights from Houston to OttawaDiscover last-minute flight deals from Houston to Ottawa. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ottawa. Data last updated August 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/67:23 pm
IAH
- YOW
1 stop18h 10m
Multiple Airlines
Thu 8/132:10 pm
YOW
- IAH
2 stops18h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/67:23 pm
IAH
- YOW
1 stop18h 10m
Multiple Airlines
Sun 8/169:05 am
YOW
- IAH
2 stops47h 15m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$847
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:20 am
IAH
- YOW
2 stops23h 15m
WestJet
Thu 8/136:55 am
YOW
- IAH
2 stops17h 57m
WestJet
Deal found 7/30![WestJet logo]()
$1,083
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:41 am
HOU
- YOW
2 stops14h 39m
American Airlines
Wed 8/268:40 am
YOW
- HOU
3 stops12h 11m
American Airlines
Deal found 7/30![American Airlines logo]()
$917
This oojo deal was found by Cheapflights users on 8/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
HOU
- YOW
2 stops17h 20m
WestJet
Wed 8/266:55 am
YOW
- HOU
2 stops10h 30m
WestJet
Deal found 8/2![WestJet logo]()
$956
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:41 am
HOU
- YOW
2 stops14h 19m
American Airlines
Wed 9/28:40 am
YOW
- HOU
3 stops12h 11m
American Airlines
Deal found 7/28![American Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/266:00 am
HOU
- YOW
2 stops17h 20m
Delta
Wed 9/26:55 am
YOW
- HOU
2 stops16h 10m
Delta
Deal found 7/28![Delta logo]()
$951
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/275:41 am
HOU
- YOW
2 stops14h 39m
American Airlines
Sun 8/307:00 am
YOW
- HOU
3 stops13h 44m
American Airlines
Deal found 7/31![American Airlines logo]()
$994
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:14 pm
HOU
- YOW
2 stops26h 06m
American Airlines
Sat 9/57:00 am
YOW
- HOU
3 stops13h 51m
American Airlines
Deal found 8/1![American Airlines logo]()
$872
This oojo deal was found by Cheapflights users on 8/1. 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.
Sat 8/2910:50 am
HOU
- YOW
2 stops12h 30m
WestJet
Sat 9/56:55 am
YOW
- HOU
2 stops27h 55m
WestJet
Deal found 8/1![WestJet logo]()
$983
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/309:32 am
HOU
- YOW
2 stops10h 48m
American Airlines
Sun 9/67:00 am
YOW
- HOU
3 stops13h 44m
American Airlines
Deal found 7/31![American Airlines logo]()
$934
This oojo deal was found by Cheapflights users on 7/31. 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 8/306:00 am
HOU
- YOW
2 stops17h 20m
WestJet
Sun 9/66:55 am
YOW
- HOU
2 stops10h 30m
WestJet
Deal found 7/31![WestJet logo]()
$1,057
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 August 2, 2026.
Search for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 8/294:32 pm
IAH
- YOW
3 stops48h 03m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/284:32 pm
IAH
- YOW
3 stops19h 22m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/148:16 am
IAH
- YOW
2 stops34h 28m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/148:03 pm
HOU
- YOW
2 stops19h 17m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/97:11 pm
HOU
- YOW
2 stops27h 37m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$321
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:52 pm
IAH
- YOW
2 stops19h 03m
American Airlines
Deal found 7/31![American Airlines logo]()
$328
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am
IAH
- YOW
2 stops13h 35m
United Airlines
Deal found 7/30![United Airlines logo]()
$346
This KAYAK deal was found by Cheapflights users on 7/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:23 pm
IAH
- YOW
2 stops20h 32m
American Airlines
Deal found 7/28![American Airlines logo]()
$347
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am
HOU
- YOW
2 stops31h 55m
American Airlines
Deal found 7/31![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/1312:18 pm
HOU
- YOW
3 stops40h 17m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$383
This KAYAK deal was found by Cheapflights users on 7/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:09 am
HOU
- YOW
2 stops17h 11m
Delta
Deal found 7/28![Delta logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 8/296:00 am
HOU
- YOW
2 stops13h 10m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$471
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 August 2, 2026.
Round-trip from | $374 (Kiwi.com) |
|---|---|
One-way from | $230 (Kiwi.com) |
Popular in | October |
Cheapest in | December |
Average price | $526 |
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 August 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
Wed 9/30
4:21 pm-4:20 pm
2 stops22h 59m
Ottawa
Sat 10/3
7:00 am-2:13 pm
1 stop8h 13m
$425
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sun 8/30
8:35 am-2:55 pm
1 stop29h 20m
Ottawa
Sun 9/6
9:05 am-7:20 am
2 stops23h 15m
$457
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Wed 9/30
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Sun 10/4
1:20 pm-4:47 pm
2 stops28h 27m
$469
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Mon 9/28
6:30 am-12:20 am
3 stops16h 50m
Ottawa
Fri 10/2
8:15 pm-1:55 pm
1 stop18h 40m
$513
Quickest round-trip
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 10/22
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Sat 10/24
2:35 pm-7:52 pm
1 stop6h 17m
$557
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Wed 9/30
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Sun 10/4
4:15 pm-1:55 pm
1 stop22h 40m
$559
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Wed 8/12
12:16 pm-12:25 pm
2 stops23h 09m
Ottawa
Wed 8/26
8:15 pm-1:55 pm
1 stop18h 40m
$576
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 8/27
2:50 pm-11:35 am
2 stops19h 45m
Ottawa
Thu 9/3
8:55 am-10:40 pm
3 stops14h 45m
$634
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 8/20
2:50 pm-11:35 am
2 stops19h 45m
Ottawa
Wed 8/26
6:55 am-10:40 pm
3 stops16h 45m
$655
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 9/29
2:50 pm-12:30 pm
2 stops20h 40m
Ottawa
Sat 10/3
6:15 pm-1:55 pm
2 stops20h 40m
$670
Showing 1-10 of 40 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, September is the cheapest month in which you can book a flight from Houston to Ottawa (average of $387). 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.
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 August 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.
Food
6.7
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.7
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.7
Overall
7.4
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
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
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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 August 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 August 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$915 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$375 | Average$792 | FlexibilityNo cancel fee | On-time67% |