Cheap Flights from Houston to Ottawa
Browse current best options from Houston. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Houston
RatePunk searches hundreds of travel sites at once for deals on flights to Ottawa
Prices updated today
402 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Jul 19, 2026.)
Today’s best flight deals from Houston to Ottawa
Explore current cheapest deals departing from Houston to Ottawa
Round trip
Sort by: Cheapest
August 22 - August 31
IAH - Ottawa
$546
$365
Round trip
August 22 - August 26
IAH - Ottawa
$606
$373
Round trip
August 22 - August 25
IAH - Ottawa
$607
$373
Round trip
August 22 - August 24
IAH - Ottawa
$609
$381
Round trip
August 22 - September 2
IAH - Ottawa
$526
$392
Round trip
August 24 - August 31
IAH - Ottawa
$574
$393
Round trip
August 22 - August 29
IAH - Ottawa
$574
$394
Round trip
August 22 - September 5
IAH - Ottawa
$522
$400
Round trip
August 24 - August 26
IAH - Ottawa
$609
$401
Round trip
August 25 - August 31
IAH - Ottawa
$576
$418
Round trip
Unlock all 500+ flight deals to Ottawa and get alerts when great deals appear
Houston to Ottawa: Overview
Insights for flights from Houston to Ottawa
How much is a round trip from Houston to Ottawa
Regular price: $476 - $733
Prices are currently below the regular range.
The regular price range for flights from Houston to Ottawa is $476 to $733. The current lowest deal is $367 with Frontier Airlines for travel from Sep 24-Oct 5.
now $367
Low $476
High $733
The cheapest time to fly from Houston to Ottawa
The cheapest month to fly from Houston to Ottawa is May, with a median price of $281. The most expensive month is June, with a median price of $1184. Prices are generally lower from May to November.
May
Flights from $281
June
Flights from $1,184
Direct flights from Houston to Ottawa
Frontier Airlines
WestJet
Porter Airlines
United Airlines
Last-minute flights going from Houston to Ottawa
Thu, Jul 23
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
United Airlines
$719
$1,271
One-way
Sun, Jul 26
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
United Airlines
$590
$1,187
One-way
Sat, Aug 8
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
United Airlines
$643
$1,094
One-way
Mon, Aug 10
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
Frontier Airlines, Porter Airlines
$509
$383
One-way
Mon, Aug 10
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
Frontier Airlines, Porter Airlines
$541
$387
One-way
Mon, Aug 10
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
Frontier Airlines, Porter Airlines
$599
$388
One-way
Biggest price drops on these dates for flights from Houston to Ottawa
Sep 28 - Oct 5
$641 → $402
37%
Sep 24 - Oct 5
$594 → $367
38%
Sep 14 - Sep 21
$641 → $420
34%
Sep 21 - Sep 28
$641 → $429
33%
Popular Airports to fly from Houston to Ottawa
Houston - Ottawa route insights
💸 Price insights
Recent fares are above the typical level
Recent fares for Houston to Ottawa are above the typical level, with a median price of $992.
📅 Best time to fly
Fly in May for the best prices
Historically, May offers the lowest median price at $281 for flights from Houston to Ottawa.
⏱️ Flight duration
Connecting flights average 18h 5m
Flights from Houston to Ottawa typically involve connecting, with a median duration of 18h 5m.
✈️ Airlines & availability
Connecting flights are dominant
Direct flights are not common; connecting flights are dominant for this route.
🏆 Airline highlight
Frontier Airlines offers deals
Frontier Airlines has 49 direct deals, making it a frequent option for this route.
🎯 Booking tip
Deals appear regularly
Deals for flights from Houston to Ottawa appear regularly, offering frequent opportunities to book.
Houston main airports to depart from
George Bush Intercontinental (IAH)
George Bush Intercontinental (IAH) is a good option for flights from Houston to Ottawa.
📍 ~25 km from Houston city center (reachable by car).
💸 Flights from ~$363
William P. Hobby (HOU)
William P. Hobby (HOU) is another choice for flights from Houston to Ottawa.
📍 ~16 km from Houston city center (reachable by car).
💸 Flights from ~$363
Ottawa main airports to arrive at
Ottawa Macdonald–Cartier International (YOW)
Fly into Ottawa Macdonald–Cartier International for direct access to Ottawa from Houston.
📍 ~0 km from city center (reachable by car)
💸 Flights from ~$363
Airports nearby Ottawa used as alternative
Montréal–Pierre Elliott Trudeau International (YUL)
Consider this major international hub for extensive global connectivity without border issues for Canadian travelers.
📍 ~160 km from Ottawa (ground transit time can be affected by Montreal city traffic)
💸 Flights from ~$402
Ogdensburg International (OGS)
This is the closest US-based airport to Ottawa, popular for accessing US domestic flight pricing.
📍 ~60 km from Ottawa (requires crossing the Canada-US border)
💸 Flights from ~$200
Montreal Saint-Hubert Longueuil (YHU)
A secondary Montreal airport useful for regional or low-cost carriers, with no international border crossing required.
📍 ~170 km from Ottawa
💸 Flights from ~$459
Plattsburgh International (PBG)
Specializing in low-cost flights to US leisure destinations, this airport accommodates Canadian travelers.
📍 ~150 km from Ottawa (requires crossing the Canada-US border)
💸 Flights from ~$280
Syracuse Hancock International (SYR)
A larger US regional airport offering more carrier options, useful if closer border airports are unavailable.
📍 ~250 km from Ottawa (requires crossing the Canada-US border)
💸 Flights from ~$232
Business & First Class Flight Deals to Ottawa
Discover luxury on the budget with premium cabin class on flights from Houston to Ottawa.
Elite
Best Elite deals to Ottawa
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From IAH
Elite
Jul 15
Ottawa, Canada
86% AI deal score
$3,367
$1,707
Save $1,660
From IAH
Elite
Jul 10
Ottawa, Canada
85% AI deal score
$3,394
$1,820
Save $1,574
From IAH
Elite
Aug 03
Ottawa, Canada
81% AI deal score
$2,431
$1,429
Save $1,002
From IAH
Elite
Jul 26
Ottawa, Canada
80% AI deal score
$2,598
$1,542
Save $1,056
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,346
$1,623
Save $723
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,346
$1,625
Save $721
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,386
$1,643
Save $743
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,389
$1,643
Save $746
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,381
$1,644
Save $737
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,451
$1,645
Save $806
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,433
$1,645
Save $788
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,367
$1,645
Save $722
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,348
$1,645
Save $703
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,346
$1,645
Save $701
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,404
$1,648
Save $756
From IAH
Elite
Aug 06
Ottawa, Canada
74% AI deal score
$2,349
$1,650
Save $699
From IAH
Elite
Jul 28
Ottawa, Canada
74% AI deal score
$2,664
$1,741
Save $923
From IAH
Elite
Jul 27
Ottawa, Canada
74% AI deal score
$2,621
$1,742
Save $879
From IAH
Elite
Sep 22
Ottawa, Canada
74% AI deal score
$2,565
$1,769
Save $796
From IAH
Elite
Sep 22
Ottawa, Canada
74% AI deal score
$2,709
$1,769
Save $940
From IAH
Elite
Jul 10
Ottawa, Canada
74% AI deal score
$2,836
$1,850
Save $986
From IAH
Elite
Sep 14
Ottawa, Canada
73% AI deal score
$2,466
$1,769
Save $697
From IAH
Elite
Sep 14
Ottawa, Canada
73% AI deal score
$2,451
$1,769
Save $682
From IAH
Elite
Sep 14
Ottawa, Canada
73% AI deal score
$2,466
$1,769
Save $697
From IAH
Elite
Aug 06
Ottawa, Canada
73% AI deal score
$2,431
$1,790
Save $641
From IAH
Elite
Aug 21
Ottawa, Canada
73% AI deal score
$2,389
$1,807
Save $582
From IAH
Elite
Sep 14
Ottawa, Canada
73% AI deal score
$2,523
$1,815
Save $708
From IAH
Elite
Aug 21
Ottawa, Canada
72% AI deal score
$2,297
$1,788
Save $509
From IAH
Elite
Aug 28
Ottawa, Canada
72% AI deal score
$2,333
$1,788
Save $545
From IAH
Elite
Aug 24
Ottawa, Canada
72% AI deal score
$2,304
$1,788
Save $516
From IAH
Elite
Aug 21
Ottawa, Canada
72% AI deal score
$2,285
$1,807
Save $478
From IAH
Elite
Aug 22
Ottawa, Canada
68% AI deal score
$1,574
From IAH
Elite
Aug 28
Ottawa, Canada
68% AI deal score
$1,625
From IAH
Elite
Aug 21
Ottawa, Canada
68% AI deal score
$1,625
From IAH
Elite
Aug 15
Ottawa, Canada
68% AI deal score
$1,656
From IAH
Elite
Aug 15
Ottawa, Canada
68% AI deal score
$1,656
From IAH
Elite
Aug 21
Ottawa, Canada
68% AI deal score
$1,684
From IAH
Elite
Aug 04
Ottawa, Canada
68% AI deal score
$1,684
From IAH
Elite
Aug 04
Ottawa, Canada
68% AI deal score
$1,684
From IAH
Elite
Aug 10
Ottawa, Canada
68% AI deal score
$1,684
From IAH
Elite
Aug 10
Ottawa, Canada
68% AI deal score
$1,684
From IAH
Elite
Jul 25
Ottawa, Canada
68% AI deal score
$1,695
From IAH
Elite
Jul 25
Ottawa, Canada
68% AI deal score
$1,695
From IAH
Elite
Aug 08
Ottawa, Canada
68% AI deal score
$1,721
From IAH
Elite
Aug 08
Ottawa, Canada
68% AI deal score
$1,721
From IAH
Elite
Aug 15
Ottawa, Canada
68% AI deal score
$1,758
From IAH
Elite
Aug 15
Ottawa, Canada
68% AI deal score
$1,758
From IAH
Elite
Aug 04
Ottawa, Canada
68% AI deal score
$1,786
From IAH
Elite
Aug 10
Ottawa, Canada
68% AI deal score
$1,786
From IAH
Elite
Aug 04
Ottawa, Canada
68% AI deal score
$1,786
From IAH
Elite
Aug 21
Ottawa, Canada
68% AI deal score
$1,786
From IAH
Elite
Aug 10
Ottawa, Canada
68% AI deal score
$1,786
From IAH
Elite
Aug 15
Ottawa, Canada
68% AI deal score
$1,787
From IAH
Elite
Jul 27
Ottawa, Canada
67% AI deal score
$1,685
From IAH
Elite
Jul 27
Ottawa, Canada
67% AI deal score
$1,685
From IAH
Elite
Jul 27
Ottawa, Canada
67% AI deal score
$1,685
From IAH
Elite
Aug 18
Ottawa, Canada
67% AI deal score
$1,748
From IAH
Elite
Aug 03
Ottawa, Canada
67% AI deal score
$1,763
From IAH
Elite
Aug 03
Ottawa, Canada
67% AI deal score
$1,763
From IAH
Elite
Jul 27
Ottawa, Canada
67% AI deal score
$1,787
From IAH
Elite
Aug 22
Ottawa, Canada
67% AI deal score
$1,795
From IAH
Elite
Jul 27
Ottawa, Canada
67% AI deal score
$1,796
From IAH
Elite
Jul 25
Ottawa, Canada
67% AI deal score
$1,797
From IAH
Elite
Aug 10
Ottawa, Canada
67% AI deal score
$1,803
From IAH
Elite
Aug 08
Ottawa, Canada
67% AI deal score
$1,823
From IAH
Elite
Aug 08
Ottawa, Canada
67% AI deal score
$1,823
From IAH
Elite
Aug 10
Ottawa, Canada
67% AI deal score
$1,825
From IAH
Elite
Aug 08
Ottawa, Canada
67% AI deal score
$1,831
From IAH
Elite
Aug 18
Ottawa, Canada
67% AI deal score
$1,850
From IAH
Elite
Aug 27
Ottawa, Canada
67% AI deal score
$1,850
From IAH
Elite
Aug 18
Ottawa, Canada
67% AI deal score
$1,850
From IAH
Elite
Aug 08
Ottawa, Canada
67% AI deal score
$1,852
From IAH
Elite
Aug 28
Ottawa, Canada
67% AI deal score
$1,865
From IAH
Elite
Aug 03
Ottawa, Canada
67% AI deal score
$1,865
From IAH
Elite
Aug 03
Ottawa, Canada
67% AI deal score
$1,865
From IAH
Elite
Aug 17
Ottawa, Canada
67% AI deal score
$1,866
From IAH
Elite
Aug 16
Ottawa, Canada
67% AI deal score
$1,866
From IAH
Elite
Aug 03
Ottawa, Canada
67% AI deal score
$1,873
From IAH
Elite
Aug 19
Ottawa, Canada
67% AI deal score
$1,874
From IAH
Elite
Aug 27
Ottawa, Canada
67% AI deal score
$1,880
From IAH
Elite
Aug 29
Ottawa, Canada
67% AI deal score
$1,880
From IAH
Elite
Aug 18
Ottawa, Canada
67% AI deal score
$1,880
From IAH
Elite
Aug 10
Ottawa, Canada
67% AI deal score
$1,884
From IAH
Elite
Aug 16
Ottawa, Canada
67% AI deal score
$1,901
From IAH
Elite
Aug 13
Ottawa, Canada
67% AI deal score
$1,901
From IAH
Elite
Aug 22
Ottawa, Canada
67% AI deal score
$1,901
From IAH
Elite
Aug 18
Ottawa, Canada
67% AI deal score
$1,942
From IAH
Elite
Aug 03
Ottawa, Canada
67% AI deal score
$1,954
From IAH
Elite
Aug 29
Ottawa, Canada
67% AI deal score
$2,050
From IAH
Elite
Aug 27
Ottawa, Canada
67% AI deal score
$2,050
From IAH
Elite
Aug 22
Ottawa, Canada
67% AI deal score
$2,050
From IAH
Elite
Aug 30
Ottawa, Canada
42% AI deal score
$3,657