$262+ Cheap flights from Ottawa (YOW) to Houston
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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to Houston with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ottawa to HoustonExplore the most affordable flight options available from Ottawa to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from Ottawa to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
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 6/87:00 am
YOW
- IAH
2 stops26h 47m
Multiple Airlines
Sat 6/136:30 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$423
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:15 pm
YOW
- IAH
1 stop22h 40m
WestJet
Sat 6/136:30 am
IAH
- YOW
1 stop9h 45m
WestJet
Deal found 5/3![WestJet logo]()
$430
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:15 pm
YOW
- IAH
1 stop27h 25m
WestJet
Tue 7/142:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Deal found 5/3![WestJet logo]()
$498
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.
Sat 8/2212:25 pm
YOW
- IAH
2 stops26h 30m
WestJet
Fri 8/282:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Deal found 5/3![WestJet logo]()
$506
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.
Thu 7/98:15 pm
YOW
- IAH
1 stop18h 40m
WestJet
Mon 7/132:50 pm
IAH
- YOW
1 stop23h 30m
WestJet
Deal found 5/3![WestJet logo]()
$507
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.
Tue 8/46:00 am
YOW
- IAH
2 stops33h 10m
Multiple Airlines
Sat 8/222:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$514
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 8/36:00 am
YOW
- IAH
2 stops33h 10m
Multiple Airlines
Sat 8/222:50 pm
IAH
- YOW
1 stop13h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$517
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.
Mon 6/16:55 am
YOW
- HOU
2 stops27h 37m
WestJet
Tue 6/95:08 pm
HOU
- YOW
2 stops30h 12m
WestJet
Deal found 5/4![WestJet logo]()
$713
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 6/86:55 am
YOW
- HOU
2 stops15h 48m
Delta
Wed 6/106:03 am
HOU
- YOW
2 stops17h 17m
Delta
Deal found 5/3![Delta logo]()
$718
This oojo deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:25 pm
YOW
- HOU
2 stops22h 58m
WestJet
Wed 6/246:03 am
HOU
- YOW
2 stops17h 17m
WestJet
Deal found 5/7![WestJet logo]()
$749
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.
Sat 10/176:55 am
YOW
- HOU
2 stops10h 35m
WestJet
Mon 10/1910:05 am
HOU
- YOW
2 stops13h 15m
WestJet
Deal found 5/5![WestJet logo]()
$765
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:55 am
YOW
- HOU
2 stops30h 17m
WestJet
Sat 6/136:00 am
HOU
- YOW
2 stops34h 35m
WestJet
Deal found 5/3![WestJet logo]()
$772
Best flights from Ottawa to HoustonDiscover carefully curated flight deals from Ottawa to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from Ottawa to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
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.
Thu 7/98:15 pm
YOW
- IAH
1 stop18h 40m
WestJet
Mon 7/132:50 pm
IAH
- YOW
2 stops19h 45m
WestJet
Deal found 5/3![WestJet logo]()
$522
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:40 pm
YOW
- IAH
1 stop6h 19m
Air Canada
Wed 5/277:20 am
IAH
- YOW
1 stop6h 51m
Air Canada
Deal found 5/3![Air Canada logo]()
$631
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
YOW
- IAH
2 stops10h 40m
United Airlines
Tue 8/181:45 pm
IAH
- YOW
2 stops9h 09m
United Airlines
Deal found 5/6![United Airlines logo]()
$651
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:40 am
YOW
- IAH
2 stops15h 00m
Multiple Airlines
Wed 7/296:30 am
IAH
- YOW
3 stops28h 05m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$664
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 6/86:55 am
YOW
- HOU
2 stops15h 48m
Delta
Wed 6/106:03 am
HOU
- YOW
2 stops17h 17m
Delta
Deal found 5/3![Delta logo]()
$718
This oojo deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:15 pm
YOW
- IAH
1 stop27h 25m
WestJet
Tue 7/142:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Deal found 5/6![WestJet logo]()
$530
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:40 pm
YOW
- IAH
1 stop6h 19m
Air Canada
Sat 5/307:20 am
IAH
- YOW
1 stop6h 51m
Air Canada
Deal found 5/2![Air Canada logo]()
$631
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:00 am
YOW
- IAH
1 stop6h 55m
United Airlines
Sat 11/78:40 am
IAH
- YOW
2 stops12h 16m
United Airlines
Deal found 5/3![United Airlines logo]()
$668
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:20 pm
YOW
- IAH
1 stop10h 20m
WestJet
Sun 7/122:50 pm
IAH
- YOW
1 stop25h 25m
WestJet
Deal found 5/3![WestJet logo]()
$641
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 pm
YOW
- IAH
1 stop14h 14m
United Airlines
Wed 9/211:55 am
IAH
- YOW
1 stop8h 40m
United Airlines
Deal found 5/7![United Airlines logo]()
$669
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:10 pm
YOW
- IAH
1 stop8h 28m
United Airlines
Sun 7/127:20 am
IAH
- YOW
1 stop8h 18m
United Airlines
Deal found 5/6![United Airlines logo]()
$673
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.
Tue 8/46:55 am
YOW
- HOU
2 stops16h 51m
Delta
Tue 8/186:00 am
HOU
- YOW
2 stops17h 20m
Delta
Deal found 5/3![Delta logo]()
$826
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.
Mon 6/16:55 am
YOW
- HOU
2 stops27h 37m
WestJet
Tue 6/95:08 pm
HOU
- YOW
2 stops30h 12m
WestJet
Deal found 5/4![WestJet logo]()
$713
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.
Sat 10/176:55 am
YOW
- HOU
2 stops10h 35m
WestJet
Mon 10/1910:05 am
HOU
- YOW
2 stops13h 15m
WestJet
Deal found 5/5![WestJet logo]()
$765
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.
Wed 6/246:55 am
YOW
- HOU
2 stops27h 19m
WestJet
Wed 8/51:13 pm
HOU
- YOW
2 stops10h 07m
WestJet
Deal found 5/4![WestJet logo]()
$781
This oojo deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:55 am
YOW
- HOU
2 stops27h 20m
WestJet
Wed 9/21:00 pm
HOU
- YOW
2 stops27h 35m
WestJet
Deal found 5/7![WestJet logo]()
$808
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:55 am
YOW
- HOU
2 stops15h 48m
WestJet
Sun 6/215:08 pm
HOU
- YOW
2 stops23h 27m
WestJet
Deal found 5/4![WestJet logo]()
$812
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.
Tue 8/46:55 am
YOW
- HOU
2 stops10h 30m
WestJet
Wed 8/191:13 pm
HOU
- YOW
2 stops10h 07m
WestJet
Deal found 5/3![WestJet logo]()
$813
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:25 pm
YOW
- HOU
2 stops29h 01m
WestJet
Wed 7/2910:40 am
HOU
- YOW
2 stops29h 55m
WestJet
Deal found 5/5![WestJet logo]()
$833
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:55 am
YOW
- HOU
2 stops10h 14m
WestJet
Tue 5/266:00 am
HOU
- YOW
2 stops34h 35m
WestJet
Deal found 5/5![WestJet logo]()
$841
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.
Fri 7/106:55 am
YOW
- HOU
2 stops15h 56m
WestJet
Sun 7/126:00 am
HOU
- YOW
2 stops17h 20m
WestJet
Deal found 5/4![WestJet logo]()
$842
Last-minute flights from Ottawa to HoustonDiscover last-minute flight deals from Ottawa to Houston. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Houston. Data last updated May 7, 2026 and is based on user searches.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:40 pm
YOW
- IAH
1 stop6h 19m
Air Canada
Wed 5/277:20 am
IAH
- YOW
1 stop6h 51m
Air Canada
Deal found 5/3![Air Canada logo]()
$631
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.
Fri 5/294:15 pm
YOW
- IAH
1 stop31h 25m
Multiple Airlines
Wed 7/2911:54 am
IAH
- YOW
2 stops30h 26m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$570
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.
Sat 5/307:00 am
YOW
- IAH
1 stop9h 03m
Multiple Airlines
Sun 5/317:28 pm
IAH
- YOW
2 stops21h 09m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$645
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.
Mon 6/16:55 am
YOW
- HOU
2 stops27h 37m
WestJet
Tue 6/95:08 pm
HOU
- YOW
2 stops30h 12m
WestJet
Deal found 5/4![WestJet logo]()
$713
This Vliegwinkel 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:20 am
YOW
- IAH
1 stop16h 20m
WestJet
Thu 6/112:50 pm
IAH
- YOW
1 stop13h 45m
WestJet
Deal found 5/4![WestJet logo]()
$547
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 6/57:20 am
YOW
- IAH
1 stop16h 20m
Multiple Airlines
Thu 6/118:55 pm
IAH
- YOW
2 stops20h 05m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$562
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 6/87:00 am
YOW
- IAH
2 stops26h 47m
Multiple Airlines
Sat 6/136:30 am
IAH
- YOW
1 stop9h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$423
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:15 pm
YOW
- IAH
1 stop22h 40m
WestJet
Sat 6/136:30 am
IAH
- YOW
1 stop9h 45m
WestJet
Deal found 5/3![WestJet logo]()
$430
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:15 pm
YOW
- IAH
1 stop22h 40m
WestJet
Wed 6/106:30 am
IAH
- YOW
1 stop9h 45m
WestJet
Deal found 5/3![WestJet logo]()
$569
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 6/87:00 am
YOW
- IAH
1 stop9h 13m
Multiple Airlines
Wed 6/1011:12 am
IAH
- YOW
2 stops24h 05m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$585
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.
Fri 6/194:15 pm
YOW
- IAH
1 stop22h 40m
Multiple Airlines
Fri 6/268:55 pm
IAH
- YOW
2 stops38h 22m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$622
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 6/248:35 am
YOW
- IAH
1 stop15h 05m
Multiple Airlines
Wed 8/59:58 pm
IAH
- YOW
2 stops39h 35m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$630
One-way flights from Ottawa to HoustonSearch for one-way flight options from Ottawa to Houston. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from Ottawa to Houston. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 9/82:20 pm
YOW
- IAH
2 stops25h 45m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$262
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.
Fri 6/127:00 am
YOW
- IAH
1 stop26h 47m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$270
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.
Mon 6/153:30 pm
YOW
- IAH
3 stops16h 53m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$274
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.
Thu 6/117:20 am
YOW
- IAH
1 stop16h 20m
WestJet
Deal found 5/5![WestJet logo]()
$280
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.
Thu 6/117:00 am
YOW
- IAH
3 stops13h 52m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$290
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 6/137:00 am
YOW
- IAH
2 stops30h 12m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$295
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.
Sun 6/147:00 am
YOW
- IAH
2 stops26h 47m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$299
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 6/207:00 am
YOW
- HOU
2 stops25h 18m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$316
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.
Thu 6/118:00 am
YOW
- HOU
3 stops35h 41m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$336
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 6/132:20 pm
YOW
- HOU
2 stops28h 34m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$376
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.
Tue 6/21:20 pm
YOW
- HOU
3 stops47h 01m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 9/86:55 am
YOW
- HOU
2 stops15h 40m
Delta
Deal found 5/6![Delta logo]()
$401
Find flight deals from Ottawa to Houston
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Houston (HO1). 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 7, 2026.
Round-trip from | $423 (Kiwi.com) |
|---|---|
One-way from | $262 (Kiwi.com) |
Popular in | September |
Cheapest in | December |
Average price | $687 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to Houston 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 7, 2026.
Use the filters below to find and compare flights from Ottawa to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Thu 7/9
8:15 pm-1:55 pm
1 stop18h 40m
Houston George Bush Intcntl
Mon 7/13
2:50 pm-11:35 am
2 stops19h 45m
$522
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Wed 7/8
8:15 pm-10:40 pm
1 stop27h 25m
Houston George Bush Intcntl
Tue 7/14
2:50 pm-5:35 am
1 stop13h 45m
$530
Quickest round-trip
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Tue 5/26
2:40 pm-7:59 pm
1 stop6h 19m
Houston George Bush Intcntl
Wed 5/27
7:20 am-3:11 pm
1 stop6h 51m
$631
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Tue 5/26
2:40 pm-7:59 pm
1 stop6h 19m
Houston George Bush Intcntl
Sat 5/30
7:20 am-3:11 pm
1 stop6h 51m
$631
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Fri 7/10
1:20 pm-10:40 pm
1 stop10h 20m
Houston George Bush Intcntl
Sun 7/12
2:50 pm-5:15 pm
1 stop25h 25m
$641
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Tue 8/4
6:00 am-3:40 pm
2 stops10h 40m
Houston George Bush Intcntl
Tue 8/18
1:45 pm-11:54 pm
2 stops9h 09m
$651
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Fri 5/29
8:40 am-10:40 pm
2 stops15h 00m
Houston George Bush Intcntl
Wed 7/29
6:30 am-11:35 am
3 stops28h 05m
$664
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Fri 10/30
11:00 am-4:55 pm
1 stop6h 55m
Houston George Bush Intcntl
Sat 11/7
8:40 am-9:56 pm
2 stops12h 16m
$668
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Tue 9/1
7:30 pm-8:44 am
1 stop14h 14m
Houston George Bush Intcntl
Wed 9/2
11:55 am-9:35 pm
1 stop8h 40m
$669
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Fri 7/10
3:10 pm-10:38 pm
1 stop8h 28m
Houston George Bush Intcntl
Sun 7/12
7:20 am-4:38 pm
1 stop8h 18m
$673
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Ottawa to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Ottawa with our price prediction graph.
YOW-HO1
YOW-IAH
YOW-HOU
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 Ottawa to Houston
YOW-HO1
YOW-IAH
YOW-HOU
What is the cheapest month to book a flight from Ottawa to Houston?
Currently, July is the cheapest month in which you can book a flight from Ottawa to Houston (average of $167). Flying from Ottawa to Houston in June is currently the most expensive (average of $574). 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 Ottawa to Houston?
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated May 7, 2026.
See what other customers who have flown with United Airlines and Air Canada from Ottawa to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Related info for your journey
Find useful and relevant information for your journey from Ottawa to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ottawa to Houston
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Complete your trip
Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ottawa to Houston by cabin class
Find flights from Ottawa to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ottawa and Houston flights
Browse other Ottawa and Houston flight options. Last updated on May 7, 2026.
Other flights from Ottawa
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Ottawa to Houston
Discover the top 2 airlines that operate flights from Ottawa to Houston. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$354 | Average$682 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$404 | Average$653 | FlexibilityNo cancel fee | On-time67% |