$177+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Sep 15 — Sep 221
Round-trip
1 adult, Economy
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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 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 August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:30 am -
1 stop11h 50m
Fri 9/188:15 pm -
1 stop18h 40m
Deal found 8/14![WestJet logo]()
$359
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
1 stop11h 50m
Tue 9/294:15 pm -
1 stop22h 40m
Deal found 8/16![WestJet logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sat 9/122:50 pm -
1 stop13h 45m
Sat 9/196:15 pm -
2 stops20h 40m
Deal found 8/15![WestJet logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sun 11/112:21 pm -
1 stop27h 23m
Fri 11/67:05 am -
1 stop9h 01m
Deal found 8/11![Multiple Airlines logo]()
$428
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Fri 9/112:50 pm -
2 stops21h 05m
Fri 9/182:00 pm -
2 stops24h 55m
Deal found 8/14![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 12/78:10 pm -
1 stop19h 34m
Sun 12/133:25 pm -
1 stop25h 02m
Deal found 8/12![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 8/3111:35 am -
2 stops36h 05m
Tue 12/157:05 am -
1 stop9h 22m
Deal found 8/13![Multiple Airlines logo]()
$451
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Fri 10/26:30 am -
1 stop11h 50m
Fri 10/98:15 pm -
3 stops26h 37m
Deal found 8/12![Multiple Airlines logo]()
$456
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:50 pm -
2 stops20h 40m
Sat 9/192:00 pm -
2 stops24h 55m
Deal found 8/15![Multiple Airlines logo]()
$459
This oojo deal was found by Cheapflights users on 8/12. 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.
Fri 10/26:00 am -
2 stops17h 20m
Tue 10/66:55 am -
2 stops17h 08m
Deal found 8/12![WestJet logo]()
$863
This oojo deal was found by Cheapflights users on 8/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
2 stops17h 20m
Tue 9/296:55 am -
2 stops10h 35m
Deal found 8/15![WestJet logo]()
$867
This oojo deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:00 am -
2 stops17h 20m
Fri 9/186:25 pm -
2 stops29h 14m
Deal found 8/14![WestJet logo]()
$941
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 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 August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:30 am -
1 stop11h 50m
Fri 9/188:15 pm -
1 stop18h 40m
Deal found 8/14![WestJet logo]()
$359
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Fri 9/112:50 pm -
2 stops21h 05m
Fri 9/182:00 pm -
2 stops24h 55m
Deal found 8/14![Multiple Airlines logo]()
$449
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
1 stop11h 50m
Tue 9/294:15 pm -
1 stop22h 40m
Deal found 8/16![WestJet logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 12/78:10 pm -
1 stop19h 34m
Sun 12/133:25 pm -
1 stop25h 02m
Deal found 8/12![Multiple Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:59 pm -
3 stops18h 56m
Sat 9/197:00 am -
3 stops13h 48m
Deal found 8/15![American Airlines logo]()
$969
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
1 stop11h 50m
Tue 9/292:00 pm -
3 stops24h 55m
Deal found 8/15![Multiple Airlines logo]()
$459
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:50 pm -
2 stops20h 40m
Sat 9/192:00 pm -
2 stops24h 55m
Deal found 8/15![Multiple Airlines logo]()
$459
This WestJet deal was found by Cheapflights users on 8/13. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:30 am -
1 stop11h 50m
Tue 10/276:00 am -
1 stop12h 35m
Deal found 8/13![WestJet logo]()
$657
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Thu 10/82:50 pm -
2 stops19h 45m
Tue 10/136:25 pm -
3 stops20h 30m
Deal found 8/12![WestJet logo]()
$697
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:50 pm -
3 stops27h 49m
Tue 12/156:00 am -
1 stop11h 35m
Deal found 8/13![Multiple Airlines logo]()
$656
This Mytrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:30 am -
3 stops16h 50m
Wed 9/26:25 pm -
3 stops20h 30m
Deal found 8/16![WestJet logo]()
$726
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:04 am -
3 stops12h 56m
Fri 9/187:00 am -
3 stops13h 48m
Deal found 8/14![American Airlines logo]()
$1,101
This oojo deal was found by Cheapflights users on 8/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
2 stops17h 20m
Tue 9/296:55 am -
2 stops10h 35m
Deal found 8/15![WestJet logo]()
$867
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:32 am -
2 stops11h 18m
Mon 8/318:40 am -
3 stops12h 11m
Deal found 8/14![American Airlines logo]()
$1,285
This oojo deal was found by Cheapflights users on 8/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:26 pm -
2 stops29h 54m
Sat 9/196:55 am -
2 stops16h 44m
Deal found 8/15![WestJet logo]()
$941
This oojo deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:00 am -
2 stops17h 20m
Fri 9/186:25 pm -
2 stops29h 14m
Deal found 8/14![WestJet logo]()
$941
This oojo deal was found by Cheapflights users on 8/12. 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.
Thu 10/86:09 am -
2 stops17h 11m
Tue 10/136:25 pm -
2 stops23h 08m
Deal found 8/12![WestJet logo]()
$1,009
This oojo deal was found by Cheapflights users on 8/12. 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 12/75:30 pm -
2 stops30h 12m
Sun 12/135:40 am -
2 stops42h 33m
Deal found 8/12![WestJet logo]()
$1,009
This oojo deal was found by Cheapflights users on 8/11. 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.
Sat 11/215:30 pm -
2 stops30h 12m
Mon 11/235:40 am -
2 stops18h 33m
Deal found 8/11![WestJet logo]()
$1,020
This oojo deal was found by Cheapflights users on 8/11. 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.
Sun 11/225:30 pm -
2 stops30h 12m
Tue 11/245:40 am -
2 stops42h 33m
Deal found 8/11![WestJet logo]()
$1,187
This oojo deal was found by Cheapflights users on 8/14. 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.
Fri 8/285:20 pm -
2 stops23h 15m
Mon 8/316:25 pm -
2 stops18h 51m
Deal found 8/14![WestJet logo]()
$1,219
This oojo deal was found by Cheapflights users on 8/12. 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.
Fri 9/46:00 am -
2 stops34h 35m
Mon 9/76:25 pm -
2 stops19h 53m
Deal found 8/12![WestJet logo]()
$1,232
Last-minute flights from Houston to OttawaDiscover last-minute flight deals from Houston to Ottawa. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ottawa. Data last updated August 16, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/14. 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 8/236:00 am -
2 stops17h 20m
Sun 8/306:25 pm -
2 stops23h 00m
Deal found 8/14![WestJet logo]()
$1,089
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 8/3111:35 am -
2 stops36h 05m
Tue 12/157:05 am -
1 stop9h 22m
Deal found 8/13![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/41:00 pm -
1 stop24h 33m
Mon 9/74:15 pm -
2 stops40h 02m
Deal found 8/12![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:30 am -
1 stop11h 50m
Fri 9/188:15 pm -
1 stop18h 40m
Deal found 8/14![WestJet logo]()
$359
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Fri 9/112:50 pm -
2 stops21h 05m
Fri 9/182:00 pm -
2 stops24h 55m
Deal found 8/14![Multiple Airlines logo]()
$449
This oojo deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:00 am -
2 stops17h 20m
Fri 9/186:25 pm -
2 stops29h 14m
Deal found 8/14![WestJet logo]()
$941
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:04 am -
3 stops12h 56m
Fri 9/187:00 am -
3 stops13h 48m
Deal found 8/14![American Airlines logo]()
$1,101
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sat 9/122:50 pm -
1 stop13h 45m
Sat 9/196:15 pm -
2 stops20h 40m
Deal found 8/15![WestJet logo]()
$406
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:50 pm -
2 stops20h 40m
Sat 9/192:00 pm -
2 stops24h 55m
Deal found 8/15![Multiple Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:59 pm -
3 stops18h 56m
Sat 9/197:00 am -
3 stops13h 48m
Deal found 8/15![American Airlines logo]()
$969
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
1 stop11h 50m
Tue 9/294:15 pm -
1 stop22h 40m
Deal found 8/16![WestJet logo]()
$379
This oojo deal was found by Cheapflights users on 8/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
2 stops17h 20m
Tue 9/296:55 am -
2 stops10h 35m
Deal found 8/15![WestJet logo]()
$867
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 16, 2026.
Search for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 10/139:12 pm -
3 stops19h 23m
Deal found 8/13![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/122:50 pm -
2 stops20h 40m
Deal found 8/13![WestJet logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/128:25 pm -
3 stops26h 55m
Deal found 8/13![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 10/132:50 pm -
2 stops20h 40m
Deal found 8/13![WestJet logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 10/135:28 pm -
2 stops13h 37m
Deal found 8/11![Multiple Airlines logo]()
$403
This oojo deal was found by Cheapflights users on 8/13. 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.
Sat 9/125:26 pm -
2 stops29h 54m
Deal found 8/13![WestJet logo]()
$427
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:09 am -
2 stops17h 11m
Deal found 8/14![Delta logo]()
$450
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
3 stops13h 00m
Deal found 8/13![American Airlines logo]()
$504
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 16, 2026.
Round-trip from | $359 (Kiwi.com) |
|---|---|
One-way from | $177 (Kiwi.com) |
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 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 Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Fri 9/11
6:30 am-7:20 pm
1 stop11h 50m
Ottawa
Fri 9/18
8:15 pm-1:55 pm
1 stop18h 40m
$359
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Mon 9/28
6:30 am-7:20 pm
1 stop11h 50m
Ottawa
Tue 9/29
4:15 pm-1:55 pm
1 stop22h 40m
$379
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Fri 9/11
2:50 pm-12:55 pm
2 stops21h 05m
Ottawa
Fri 9/18
2:00 pm-1:55 pm
2 stops24h 55m
$449
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Mon 12/7
8:10 pm-4:44 pm
1 stop19h 34m
Ottawa
Sun 12/13
3:25 pm-3:27 pm
1 stop25h 02m
$450
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Mon 9/28
6:30 am-7:20 pm
1 stop11h 50m
Ottawa
Tue 9/29
2:00 pm-1:55 pm
3 stops24h 55m
$459
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Sat 9/12
2:50 pm-12:30 pm
2 stops20h 40m
Ottawa
Sat 9/19
2:00 pm-1:55 pm
2 stops24h 55m
$459
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Mon 8/31
2:50 pm-7:39 pm
3 stops27h 49m
Ottawa
Tue 12/15
6:00 am-4:35 pm
1 stop11h 35m
$656
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Fri 10/23
6:30 am-7:20 pm
1 stop11h 50m
Ottawa
Tue 10/27
6:00 am-5:35 pm
1 stop12h 35m
$657
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Thu 10/8
2:50 pm-11:35 am
2 stops19h 45m
Ottawa
Tue 10/13
6:25 pm-1:55 pm
3 stops20h 30m
$697
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Sun 8/30
6:30 am-12:20 am
3 stops16h 50m
Ottawa
Wed 9/2
6:25 pm-1:55 pm
3 stops20h 30m
$726
Showing 1-10 of 30 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
No data available for this route at this time. Please check back soon.
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 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.
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
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 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 August 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 August 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$915 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$375 | Average$794 | FlexibilityNo cancel fee | On-time67% |