$228+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Jun 4 — Jun 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Houston to Ottawa
Cheapest
Best
Last-minute
One-way
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 5, 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 5, 2026.
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 4/30. 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 5/3. Clicking the “Pick Dates” 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 6/18:50 pm
IAH
- YOW
2 stops43h 47m
Multiple Airlines
Mon 6/84:15 pm
YOW
- IAH
1 stop22h 40m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$436
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 4/30. 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 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 Mytrip deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/188:06 pm
HOU
- YOW
2 stops18h 04m
Multiple Airlines
Thu 6/256:55 am
YOW
- HOU
2 stops11h 49m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/16:00 am
HOU
- YOW
2 stops17h 20m
Delta
Mon 6/86:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 5/3![Delta logo]()
$892
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 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 Delta 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
Delta
Wed 8/266:55 am
YOW
- HOU
2 stops16h 51m
Delta
Deal found 5/2![Delta logo]()
$944
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
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 5, 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 5, 2026.
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 5/296:00 am
IAH
- YOW
1 stop7h 33m
Multiple Airlines
Fri 6/57:00 am
YOW
- IAH
1 stop26h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$478
This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Tue 7/286:30 am
IAH
- YOW
2 stops28h 05m
WestJet
Tue 8/2512:25 pm
YOW
- IAH
2 stops11h 15m
WestJet
Deal found 5/5![WestJet logo]()
$705
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:20 am
IAH
- YOW
1 stop6h 51m
Air Canada
Fri 6/52:45 pm
YOW
- IAH
1 stop6h 14m
Air Canada
Deal found 4/30![Air Canada logo]()
$767
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/16:00 am
HOU
- YOW
2 stops17h 20m
Delta
Mon 6/86:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 5/3![Delta logo]()
$892
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 American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/288:23 pm
HOU
- YOW
3 stops17h 32m
American Airlines
Tue 6/28:40 am
YOW
- HOU
3 stops12h 11m
American Airlines
Deal found 5/4![American Airlines logo]()
$1,168
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 6/1412:33 pm
IAH
- YOW
3 stops23h 21m
Multiple Airlines
Wed 6/178:00 am
YOW
- IAH
3 stops14h 24m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$565
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 5/2111:49 am
IAH
- YOW
3 stops24h 05m
Multiple Airlines
Tue 5/265:55 pm
YOW
- IAH
3 stops23h 21m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$578
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 7/94:51 pm
IAH
- YOW
2 stops30h 29m
WestJet
Sat 7/116:00 am
YOW
- IAH
1 stop17h 40m
WestJet
Deal found 5/1![WestJet logo]()
$808
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/66:30 am
IAH
- YOW
1 stop29h 28m
Multiple Airlines
Sat 6/134:15 pm
YOW
- IAH
1 stop31h 25m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$673
This Delta 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 Delta 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
Delta
Wed 8/266:55 am
YOW
- HOU
2 stops16h 51m
Delta
Deal found 5/2![Delta logo]()
$944
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 5/4. Clicking the “Pick Dates” 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 5/4![Delta logo]()
$980
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
HOU
- YOW
2 stops17h 20m
Delta
Sun 6/76:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 5/2![Delta logo]()
$981
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 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 4/30. 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.
Sun 6/146:00 am
HOU
- YOW
2 stops34h 35m
WestJet
Wed 6/176:55 am
YOW
- HOU
2 stops15h 48m
WestJet
Deal found 4/30![WestJet logo]()
$1,073
This FlightHub deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Wed 9/306:00 am
HOU
- YOW
2 stops10h 35m
WestJet
Sat 10/36:55 am
YOW
- HOU
2 stops10h 28m
WestJet
Deal found 5/3![WestJet logo]()
$1,079
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.
Sun 6/286:00 am
HOU
- YOW
2 stops17h 20m
WestJet
Mon 7/66:55 am
YOW
- HOU
2 stops27h 50m
WestJet
Deal found 4/30![WestJet logo]()
$1,089
Last-minute flights from Houston to OttawaDiscover last-minute flight deals from Houston to Ottawa. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ottawa. Data last updated May 5, 2026 and is based on user searches.
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 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 5/3. Clicking the “Pick Dates” 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 6/18:50 pm
IAH
- YOW
2 stops43h 47m
Multiple Airlines
Mon 6/84:15 pm
YOW
- IAH
1 stop22h 40m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/16:00 am
HOU
- YOW
2 stops17h 20m
Delta
Mon 6/86:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 5/3![Delta logo]()
$892
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
HOU
- YOW
2 stops17h 20m
Delta
Sun 6/76:55 am
YOW
- HOU
2 stops15h 48m
Delta
Deal found 5/2![Delta logo]()
$981
This oojo deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/65:04 pm
HOU
- YOW
2 stops30h 16m
WestJet
Sat 6/136:55 am
YOW
- HOU
2 stops27h 19m
WestJet
Deal found 5/4![WestJet logo]()
$1,015
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 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 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.
Sun 6/146:00 am
HOU
- YOW
2 stops34h 35m
WestJet
Wed 6/176:55 am
YOW
- HOU
2 stops15h 48m
WestJet
Deal found 4/30![WestJet logo]()
$1,073
This Mytrip deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/188:06 pm
HOU
- YOW
2 stops18h 04m
Multiple Airlines
Thu 6/256:55 am
YOW
- HOU
2 stops11h 49m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$864
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 5, 2026.
Search for one-way flight options from Houston to Ottawa. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
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.
Wed 5/278:50 pm
IAH
- YOW
3 stops31h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/38:20 am
IAH
- YOW
1 stop29h 55m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/48:20 am
IAH
- YOW
2 stops15h 00m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$232
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:12 am
IAH
- YOW
2 stops24h 05m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$240
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:32 pm
IAH
- YOW
3 stops30h 48m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/111:12 am
IAH
- YOW
3 stops29h 42m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:02 pm
IAH
- YOW
2 stops41h 58m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$275
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:08 am
HOU
- YOW
3 stops39h 12m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$280
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:03 am
HOU
- YOW
2 stops17h 17m
Delta
Deal found 5/2![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/37:39 pm
HOU
- YOW
2 stops21h 01m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/27:03 pm
HOU
- YOW
2 stops43h 12m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$348
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 5, 2026.
Round-trip from | $414 (Kiwi.com) |
|---|---|
One-way from | $228 (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 5, 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
Fri 5/29
6:00 am-2:33 pm
1 stop7h 33m
Ottawa
Fri 6/5
7:00 am-8:50 am
1 stop26h 50m
$478
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
12:33 pm-12:54 pm
3 stops23h 21m
Ottawa
Wed 6/17
8:00 am-9:24 pm
3 stops14h 24m
$565
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 5/21
11:49 am-12:54 pm
3 stops24h 05m
Ottawa
Tue 5/26
5:55 pm-4:16 pm
3 stops23h 21m
$578
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 6/6
6:30 am-12:58 pm
1 stop29h 28m
Ottawa
Sat 6/13
4:15 pm-10:40 pm
1 stop31h 25m
$673
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 7/28
6:30 am-11:35 am
2 stops28h 05m
Ottawa
Tue 8/25
12:25 pm-10:40 pm
2 stops11h 15m
$705
Quickest round-trip
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Tue 6/2
7:20 am-3:11 pm
1 stop6h 51m
Ottawa
Fri 6/5
2:45 pm-7:59 pm
1 stop6h 14m
$767
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 7/9
4:51 pm-12:20 am
2 stops30h 29m
Ottawa
Sat 7/11
6:00 am-10:40 pm
1 stop17h 40m
$808
HoustonOttawa
HOU - YOW
HOUYOW
Houston Hobby
Mon 6/1
6:00 am-12:20 am
2 stops17h 20m
Ottawa
Mon 6/8
6:55 am-9:43 pm
2 stops15h 48m
$892
HoustonOttawa
HOU - YOW
HOUYOW
Houston Hobby
Thu 5/21
10:27 am-12:20 am
2 stops12h 53m
Ottawa
Tue 5/26
6:55 am-4:09 pm
2 stops10h 14m
$917
Showing 1-10 of 37 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 5, 2026.
Read reviews from past customers who have flown United Airlines and Air Canada from Houston to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Boarding
7.7
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Ottawa flight routes
Popular flights
Alternative routes for Houston to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
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 5, 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 5, 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 5, 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% |