
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 November 15, 2026.
Round-trip from | $353 (Kiwi.com) |
|---|---|
One-way from | $47 (Trip.com) |
Fly from
Fly to
Route
Depart
Return
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Thu 11/26
8:00 am-11:40 pm
1 stop14h 40m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Tue 12/8
9:24 pm-10:06 pm
3 stops23h 42m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Sat 12/5
5:01 pm-5:56 pm
2 stops23h 55m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Thu 11/26
9:14 pm-5:24 pm
2 stops19h 10m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Sun 12/6
9:38 pm-2:32 pm
2 stops39h 54m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Thu 11/26
6:32 pm-1:11 pm
2 stops17h 39m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Sun 11/29
7:05 am-5:24 pm
1 stop9h 19m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Sat 11/28
8:00 am-11:40 pm
1 stop14h 40m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Mon 12/28
5:11 pm-3:25 pm
1 stop21h 14m
Ottawa
Wed 12/30
7:00 am-8:39 am
2 stops26h 39m
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Thu 1/28
7:00 am-3:25 pm
1 stop7h 25m
Ottawa
Sat 2/13
5:30 am-11:57 pm
2 stops43h 27m
Everything you need to know about your flight from Houston to Ottawa
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$382 | Average$794 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$581 | Average$925 | FlexibilityNo cancel fee | On-time69% |