Cheap Flights from Houston to Ottawa
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Prices updated today
405 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 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 31 - September 5
IAH - Ottawa
$593
$370
Round trip
August 31 - September 11
IAH - Ottawa
$526
$385
Round trip
August 31 - September 4
IAH - Ottawa
$606
$389
Round trip
October 30 - November 18
IAH - Ottawa
$456
$391
Round trip
August 31 - September 14
IAH - Ottawa
$522
$398
Round trip
August 31 - September 21
IAH - Ottawa
$504
$398
Round trip
August 10 - September 5
IAH - Ottawa
$508
$411
Round trip
October 5 - October 29
IAH - Ottawa
$430
$420
Round trip
September 28 - October 5
IAH - Ottawa
$641
$420
Round trip
September 14 - October 5
IAH - Ottawa
$567
$420
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: $462 - $725
Prices for flights from Houston to Ottawa are currently below the regular range.
The regular price range for flights from Houston to Ottawa is between $462 and $725. The current lowest deal is $377 with WestJet for travel from Sep 25-Oct 15.
now $377
Low $462
High $725
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
Sun, Jul 26
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
United Airlines
$629
$1,431
One-way
Sat, Aug 8
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
Frontier Airlines
$690
$537
One-way
Sat, Aug 8
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
United Airlines
$627
$1,014
One-way
Sun, Aug 9
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
Frontier Airlines
$564
$483
One-way
Tue, Aug 11
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
Frontier Airlines
$598
$456
One-way
Wed, Aug 12
IAH - Ottawa
Houston (IAH) - Ottawa (YOW)
United Airlines
$539
$975
One-way
Biggest price drops on these dates for flights from Houston to Ottawa
Sep 17 - Sep 24
$632 → $397
37%
Sep 25 - Oct 15
$572 → $377
34%
Sep 17 - Oct 2
$566 → $384
32%
Sep 2 - Sep 9
$629 → $451
28%
Popular Airports to fly from Houston to Ottawa
Houston - Ottawa route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Houston to Ottawa are above the typical level at $377.
📅 Best time to fly
Fly in May for the best prices
Historically, May is the cheapest month to fly, with a median price of $281.
⏱️ Flight duration
Connecting flights take 18h 5m
The typical flight duration with connections from Houston to Ottawa is 18h 5m.
✈️ Airlines & availability
No direct flights available
There are no direct flights available on this route; all flights include at least one stop.
🏆 Airline highlight
WestJet offers a recent deal for $377
A recent deal with WestJet was found for $377, departing September 25 and returning October 15.
🎯 Booking tip
Good prices are rare
Historically, only 2% of recent fares from Houston to Ottawa were considered good prices.
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
Aug 28
Ottawa, Canada
88% AI deal score
$2,615
$1,215
Save $1,400
From IAH
Elite
Aug 16
Ottawa, Canada
84% AI deal score
$2,371
$1,271
Save $1,100
From IAH
Elite
Sep 01
Ottawa, Canada
84% AI deal score
$2,477
$1,310
Save $1,167
From IAH
Elite
Aug 05
Ottawa, Canada
84% AI deal score
$2,940
$1,647
Save $1,293
From IAH
Elite
Sep 01
Ottawa, Canada
83% AI deal score
$2,442
$1,440
Save $1,002
From IAH
Elite
Aug 24
Ottawa, Canada
81% AI deal score
$2,431
$1,438
Save $993
From IAH
Elite
Aug 23
Ottawa, Canada
81% AI deal score
$2,440
$1,438
Save $1,002
From IAH
Elite
Sep 01
Ottawa, Canada
81% AI deal score
$2,658
$1,608
Save $1,050
From IAH
Elite
Nov 20
Ottawa, Canada
80% AI deal score
$2,368
$1,604
Save $764
From IAH
Elite
Aug 16
Ottawa, Canada
79% AI deal score
$2,448
$1,566
Save $882
From IAH
Elite
Aug 16
Ottawa, Canada
79% AI deal score
$2,467
$1,567
Save $900
From IAH
Elite
Aug 16
Ottawa, Canada
79% AI deal score
$2,471
$1,590
Save $881
From IAH
Elite
Aug 16
Ottawa, Canada
79% AI deal score
$2,489
$1,592
Save $897
From IAH
Elite
Aug 16
Ottawa, Canada
75% AI deal score
$2,371
$1,566
Save $805
From IAH
Elite
Aug 16
Ottawa, Canada
75% AI deal score
$2,407
$1,566
Save $841
From IAH
Elite
Aug 16
Ottawa, Canada
75% AI deal score
$2,407
$1,566
Save $841
From IAH
Elite
Sep 01
Ottawa, Canada
75% AI deal score
$2,456
$1,608
Save $848
From IAH
Elite
Aug 16
Ottawa, Canada
74% AI deal score
$2,371
$1,589
Save $782
From IAH
Elite
Aug 16
Ottawa, Canada
74% AI deal score
$2,371
$1,597
Save $774
From IAH
Elite
Sep 01
Ottawa, Canada
74% AI deal score
$2,388
$1,608
Save $780
From IAH
Elite
Sep 01
Ottawa, Canada
74% AI deal score
$2,388
$1,608
Save $780
From IAH
Elite
Sep 01
Ottawa, Canada
74% AI deal score
$2,435
$1,608
Save $827
From IAH
Elite
Sep 01
Ottawa, Canada
74% AI deal score
$2,388
$1,631
Save $757
From IAH
Elite
Sep 01
Ottawa, Canada
74% AI deal score
$2,418
$1,631
Save $787
From IAH
Elite
Sep 01
Ottawa, Canada
74% AI deal score
$2,473
$1,638
Save $835
From IAH
Elite
Aug 16
Ottawa, Canada
74% AI deal score
$2,371
$1,643
Save $728
From IAH
Elite
Aug 29
Ottawa, Canada
74% AI deal score
$2,417
$1,649
Save $768
From IAH
Elite
Aug 16
Ottawa, Canada
74% AI deal score
$2,445
$1,720
Save $725
From IAH
Elite
Aug 16
Ottawa, Canada
74% AI deal score
$2,542
$1,720
Save $822
From IAH
Elite
Aug 16
Ottawa, Canada
73% AI deal score
$2,395
$1,720
Save $675
From IAH
Elite
Aug 16
Ottawa, Canada
73% AI deal score
$2,415
$1,720
Save $695
From IAH
Elite
Aug 16
Ottawa, Canada
73% AI deal score
$2,374
$1,720
Save $654
From IAH
Elite
Aug 16
Ottawa, Canada
73% AI deal score
$2,371
$1,720
Save $651
From IAH
Elite
Aug 16
Ottawa, Canada
73% AI deal score
$2,412
$1,720
Save $692
From IAH
Elite
Aug 16
Ottawa, Canada
73% AI deal score
$2,432
$1,756
Save $676
From IAH
Elite
Aug 18
Ottawa, Canada
71% AI deal score
$1,570
$1,372
Save $198
From IAH
Elite
Aug 18
Ottawa, Canada
71% AI deal score
$1,579
$1,386
Save $193
From IAH
Elite
Aug 24
Ottawa, Canada
71% AI deal score
$1,572
$1,389
Save $183
From IAH
Elite
Aug 26
Ottawa, Canada
71% AI deal score
$1,571
$1,395
Save $176
From IAH
Elite
Aug 18
Ottawa, Canada
70% AI deal score
$1,531
$1,372
Save $159
From IAH
Elite
Aug 24
Ottawa, Canada
70% AI deal score
$1,525
$1,374
Save $151
From IAH
Elite
Aug 26
Ottawa, Canada
70% AI deal score
$1,539
$1,381
Save $158
From IAH
Elite
Aug 15
Ottawa, Canada
70% AI deal score
$1,569
$1,397
Save $172
From IAH
Elite
Aug 23
Ottawa, Canada
70% AI deal score
$1,572
$1,412
Save $160
From IAH
Elite
Aug 27
Ottawa, Canada
70% AI deal score
$1,551
$1,419
Save $132
From IAH
Elite
Aug 20
Ottawa, Canada
70% AI deal score
$1,575
$1,439
Save $136
From IAH
Elite
Aug 28
Ottawa, Canada
70% AI deal score
$1,569
$1,462
Save $107
From IAH
Elite
Aug 27
Ottawa, Canada
70% AI deal score
$1,569
$1,462
Save $107
From IAH
Elite
Sep 01
Ottawa, Canada
69% AI deal score
$1,487
$1,407
Save $80
From IAH
Elite
Sep 08
Ottawa, Canada
69% AI deal score
$1,481
$1,413
Save $68
From IAH
Elite
Sep 04
Ottawa, Canada
69% AI deal score
$1,493
$1,436
Save $57
From IAH
Elite
Aug 20
Ottawa, Canada
69% AI deal score
$1,555
$1,461
Save $94
From IAH
Elite
Aug 22
Ottawa, Canada
69% AI deal score
$1,575
$1,510
Save $65
From IAH
Elite
Sep 02
Ottawa, Canada
68% AI deal score
$1,493
From IAH
Elite
Aug 27
Ottawa, Canada
68% AI deal score
$1,528
$1,496
Save $32
From IAH
Elite
Sep 07
Ottawa, Canada
68% AI deal score
$1,514
From IAH
Elite
Aug 22
Ottawa, Canada
68% AI deal score
$1,555
$1,532
Save $23
From IAH
Elite
Aug 16
Ottawa, Canada
68% AI deal score
$1,566
$1,532
Save $34
From IAH
Elite
Aug 31
Ottawa, Canada
68% AI deal score
$1,577
From IAH
Elite
Sep 07
Ottawa, Canada
67% AI deal score
$1,667
From IAH
Elite
Aug 22
Ottawa, Canada
67% AI deal score
$1,897
From IAH
Elite
Sep 20
Ottawa, Canada
66% AI deal score
$2,650
From IAH
Elite
Sep 21
Ottawa, Canada
66% AI deal score
$2,661
From IAH
Elite
Sep 27
Ottawa, Canada
65% AI deal score
$2,763
From IAH
Elite
Sep 25
Ottawa, Canada
50% AI deal score
$3,073