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Cheap flights from Ottawa to the United States from C$ 178
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
7 Nov — 14 Nov1
Cheap flight deals from Ottawa to USA
Enter your travel dates to find the best prices.
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Cheapest flights from Ottawa to USAExplore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.
Explore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 October 2026.
Tue 27/103:10 p.m. -
Nonstop1h 35m
Fri 30/105:25 p.m. -
Nonstop1h 40m
Deal found 6/10C$ 289
Mon 16/1110:30 a.m. -
Nonstop1h 36m
Thu 19/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 290
Thu 19/1110:30 a.m. -
Nonstop1h 36m
Mon 23/1112:50 p.m. -
Nonstop1h 42m
Deal found 6/10C$ 296
Wed 28/103:10 p.m. -
Nonstop1h 35m
Fri 6/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 298
Sun 22/119:00 a.m. -
1 stop5h 53m
Sun 29/115:30 a.m. -
1 stop4h 17m
Deal found 7/10C$ 325
Fri 20/1112:50 p.m. -
1 stop7h 01m
Sat 28/116:25 p.m. -
1 stop6h 12m
Deal found 7/10C$ 359
Thu 3/124:35 p.m. -
Nonstop3h 21m
Mon 7/126:25 p.m. -
1 stop6h 25m
Deal found 3/10C$ 365
Fri 27/1112:45 p.m. -
1 stop7h 04m
Sat 5/128:55 p.m. -
Nonstop3h 12m
Deal found 4/10C$ 369
Sun 29/117:05 a.m. -
Nonstop3h 40m
Fri 4/128:05 p.m. -
Nonstop3h 27m
Deal found 4/10C$ 374
Sat 14/1110:20 a.m. -
1 stop7h 04m
Wed 25/115:40 p.m. -
1 stop7h 10m
Deal found 3/10C$ 383
Tue 3/116:00 a.m. -
1 stop6h 34m
Fri 4/127:30 a.m. -
1 stop5h 40m
Deal found 4/10C$ 387
Mon 16/117:05 a.m. -
Nonstop3h 40m
Fri 20/118:05 p.m. -
Nonstop3h 27m
Deal found 4/10C$ 389
Best flights from Ottawa to USADiscover carefully curated flight deals from Ottawa to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Discover carefully curated flight deals from Ottawa to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Thu 19/1110:30 a.m. -
Nonstop1h 36m
Mon 23/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 299
Sun 22/119:00 a.m. -
1 stop5h 53m
Sun 29/115:30 a.m. -
1 stop4h 17m
Deal found 7/10C$ 325
Fri 30/106:00 a.m. -
Nonstop1h 50m
Sat 7/1111:36 a.m. -
Nonstop1h 35m
Deal found 4/10C$ 410
Mon 21/1210:35 a.m. -
Nonstop1h 35m
Thu 31/1212:50 p.m. -
Nonstop1h 40m
Deal found 3/10C$ 496
Mon 30/115:30 a.m. -
2 stops14h 45m
Thu 3/123:20 p.m. -
2 stops9h 24m
Deal found 2/10C$ 588
Sun 22/113:15 p.m. -
Nonstop1h 28m
Sun 29/115:30 a.m. -
1 stop4h 17m
Deal found 7/10C$ 631
Fri 1/16:10 a.m. -
1 stop12h 40m
Sun 10/14:40 p.m. -
1 stop18h 50m
Deal found 3/10C$ 681
Sat 31/103:10 p.m. -
Nonstop1h 35m
Mon 2/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 407
Fri 25/123:10 p.m. -
Nonstop1h 51m
Wed 30/1211:31 a.m. -
Nonstop1h 40m
Deal found 6/10C$ 423
Sat 26/126:00 a.m. -
Nonstop1h 59m
Mon 28/1211:31 a.m. -
Nonstop1h 40m
Deal found 6/10C$ 423
Mon 30/1110:20 a.m. -
1 stop7h 04m
Thu 3/128:55 p.m. -
Nonstop3h 12m
Deal found 2/10C$ 424
Sun 15/112:00 p.m. -
1 stop6h 08m
Fri 20/118:00 a.m. -
1 stop9h 20m
Deal found 7/10C$ 481
Tue 22/1210:35 a.m. -
Nonstop1h 35m
Thu 31/1212:50 p.m. -
Nonstop1h 40m
Deal found 3/10C$ 496
Sun 15/1112:50 p.m. -
1 stop6h 49m
Fri 20/118:05 p.m. -
Nonstop3h 29m
Deal found 7/10C$ 440
Fri 30/109:45 a.m. -
1 stop8h 17m
Fri 6/117:14 a.m. -
1 stop14h 42m
Deal found 7/10C$ 468
Wed 2/125:30 a.m. -
1 stop7h 20m
Wed 9/1210:24 a.m. -
2 stops13h 16m
Deal found 5/10C$ 632
Fri 25/1210:35 a.m. -
Nonstop1h 35m
Thu 31/1212:50 p.m. -
Nonstop1h 40m
Deal found 3/10C$ 486
Thu 29/103:10 p.m. -
Nonstop1h 49m
Mon 2/1111:36 a.m. -
Nonstop1h 35m
Deal found 4/10C$ 493
Thu 5/115:45 p.m. -
1 stop7h 48m
Sat 7/112:35 p.m. -
1 stop7h 02m
Deal found 6/10C$ 635
Mon 21/123:10 p.m. -
Nonstop1h 35m
Fri 1/19:40 a.m. -
1 stop3h 34m
Deal found 3/10C$ 491
Fri 30/106:00 a.m. -
Nonstop1h 50m
Mon 2/1111:36 a.m. -
Nonstop1h 35m
Deal found 5/10C$ 493
Wed 28/106:00 a.m. -
2 stops10h 27m
Sat 31/106:25 p.m. -
1 stop7h 15m
Deal found 6/10C$ 736
Mon 19/106:50 a.m. -
1 stop9h 55m
Sat 24/106:35 a.m. -
2 stops11h 00m
Deal found 5/10C$ 729
Sat 21/115:45 a.m. -
1 stop4h 03m
Sat 28/113:30 p.m. -
2 stops6h 22m
Deal found 7/10C$ 777
Sat 14/1112:10 p.m. -
2 stops11h 49m
Wed 25/118:30 a.m. -
1 stop10h 57m
Deal found 3/10C$ 548
Mon 11/18:00 a.m. -
Nonstop3h 24m
Mon 15/211:15 a.m. -
1 stop6h 00m
Deal found 2/10C$ 807
Sun 25/107:05 a.m. -
Nonstop3h 40m
Thu 29/101:55 p.m. -
Nonstop3h 25m
Deal found 2/10C$ 567
Sat 24/106:55 a.m. -
2 stops16h 11m
Fri 30/106:05 a.m. -
2 stops15h 39m
Deal found 6/10C$ 790
Thu 3/125:10 a.m. -
2 stops12h 53m
Tue 8/128:55 a.m. -
1 stop6h 12m
Deal found 3/10C$ 548
Sat 27/24:36 p.m. -
1 stop7h 09m
Thu 4/311:45 a.m. -
Nonstop3h 09m
Deal found 5/10C$ 824
Direct flights from Ottawa to USAExplore direct flight options from Ottawa to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.
Explore direct flight options from Ottawa to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.
Tue 27/103:10 p.m. -
Nonstop1h 35m
Fri 30/105:25 p.m. -
Nonstop1h 40m
Deal found 6/10C$ 289
Mon 16/1110:30 a.m. -
Nonstop1h 36m
Thu 19/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 290
Thu 19/1110:30 a.m. -
Nonstop1h 36m
Mon 23/1112:50 p.m. -
Nonstop1h 42m
Deal found 6/10C$ 296
Sat 21/1110:30 a.m. -
Nonstop1h 36m
Sat 28/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 298
Wed 28/103:10 p.m. -
Nonstop1h 35m
Thu 29/1012:50 p.m. -
Nonstop1h 40m
Deal found 7/10C$ 302
Wed 4/1110:30 a.m. -
Nonstop1h 36m
Wed 11/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 306
Mon 16/1110:30 a.m. -
Nonstop1h 36m
Mon 23/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 310
Tue 10/1110:30 a.m. -
Nonstop1h 36m
Tue 17/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 316
Sun 29/117:05 a.m. -
Nonstop3h 40m
Fri 4/128:05 p.m. -
Nonstop3h 27m
Deal found 4/10C$ 374
Mon 16/117:05 a.m. -
Nonstop3h 40m
Fri 20/118:05 p.m. -
Nonstop3h 27m
Deal found 4/10C$ 389
Thu 3/124:35 p.m. -
Nonstop3h 21m
Tue 8/128:55 p.m. -
Nonstop3h 12m
Deal found 3/10C$ 396
Thu 29/107:05 a.m. -
Nonstop3h 40m
Thu 5/111:55 p.m. -
Nonstop3h 25m
Deal found 5/10C$ 402
Last-minute flights from Ottawa to USADiscover last-minute flight deals from Ottawa to USA. Data last updated 8 October 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to USA. Data last updated 8 October 2026 and is based on user searches.
Tue 27/103:10 p.m. -
Nonstop1h 35m
Fri 30/105:25 p.m. -
Nonstop1h 40m
Deal found 6/10C$ 289
Thu 29/103:10 p.m. -
Nonstop1h 35m
Sun 1/118:00 a.m. -
1 stop3h 32m
Deal found 6/10C$ 305
Tue 3/116:00 a.m. -
1 stop6h 34m
Fri 4/127:30 a.m. -
1 stop5h 40m
Deal found 4/10C$ 387
Sat 14/1110:20 a.m. -
1 stop7h 04m
Wed 25/115:40 p.m. -
1 stop7h 10m
Deal found 3/10C$ 383
Mon 16/1110:30 a.m. -
Nonstop1h 36m
Thu 19/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 290
Wed 18/117:00 a.m. -
1 stop8h 21m
Wed 25/115:40 p.m. -
1 stop6h 57m
Deal found 7/10C$ 392
Thu 19/1110:30 a.m. -
Nonstop1h 36m
Mon 23/1112:50 p.m. -
Nonstop1h 42m
Deal found 6/10C$ 296
Fri 20/1112:50 p.m. -
1 stop7h 01m
Sat 28/116:25 p.m. -
1 stop6h 12m
Deal found 7/10C$ 359
Sat 21/1110:30 a.m. -
Nonstop1h 36m
Sat 28/1112:50 p.m. -
Nonstop1h 42m
Deal found 7/10C$ 298
Sun 22/119:00 a.m. -
1 stop5h 53m
Sun 29/115:30 a.m. -
1 stop4h 17m
Deal found 7/10C$ 325
Fri 27/1112:45 p.m. -
1 stop7h 04m
Sat 5/128:55 p.m. -
Nonstop3h 12m
Deal found 4/10C$ 369
Mon 30/1110:20 a.m. -
1 stop7h 04m
Mon 14/126:25 p.m. -
1 stop6h 25m
Deal found 4/10C$ 393
One-way flights from Ottawa to USASearch for one-way flight options from Ottawa to USA. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
Search for one-way flight options from Ottawa to USA. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
Sat 31/103:10 p.m. -
Nonstop1h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 178
Wed 11/1110:30 a.m. -
Nonstop1h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 181
Sat 21/1110:30 a.m. -
Nonstop1h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 182
Tue 10/1110:30 a.m. -
Nonstop1h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 188
Fri 6/119:00 a.m. -
1 stop5h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 194
Tue 1/124:35 p.m. -
Nonstop3h 21m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 4/10C$ 195
Thu 7/19:00 a.m. -
1 stop5h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/10C$ 199
Sat 31/106:00 a.m. -
1 stop4h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 201
Sat 21/115:45 a.m. -
1 stop4h 00m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 206
Sat 7/116:10 p.m. -
1 stop4h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/10C$ 212
Mon 28/123:10 p.m. -
Nonstop1h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 4/10C$ 214
Tue 8/124:35 p.m. -
Nonstop3h 21m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 4/10C$ 215
Find flight deals from Ottawa to USA
Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 8 October 2026.
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to USA 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 7,457,451 searches. Data last updated 8 October 2026.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OttawaNewark
YOW Ottawa - EWR Newark
YOWEWR
Ottawa
Sun 22/11
10:30 a.m.-12:06 p.m.
Nonstop1h 36m
Newark
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 222
OttawaTampa
YOW Ottawa - TPA Tampa
YOWTPA
Ottawa
Tue 17/11
6:00 a.m.-12:34 p.m.
1 stop6h 34m
Tampa
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 232
OttawaNewark
YOW Ottawa - EWR Newark
YOWEWR
Ottawa
Thu 19/11
10:30 a.m.-12:06 p.m.
Nonstop1h 36m
Newark
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 234
OttawaNewark
YOW Ottawa - EWR Newark
YOWEWR
Ottawa
Thu 19/11
10:50 a.m.-2:50 p.m.
1 stop4h 00m
Newark
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 241
OttawaTampa
YOW Ottawa - TPA Tampa
YOWTPA
Ottawa
Fri 4/12
10:20 a.m.-5:24 p.m.
1 stop7h 04m
Tampa
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 245
OttawaNewark
YOW Ottawa - EWR Newark
YOWEWR
Ottawa
Fri 27/11
3:10 p.m.-5:00 p.m.
Nonstop1h 50m
Newark
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 249
OttawaTampa
YOW Ottawa - TPA Tampa
YOWTPA
Ottawa
Fri 4/12
3:10 p.m.-11:38 p.m.
1 stop8h 28m
Tampa
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 252
OttawaMiami
YOW Ottawa - MIA Miami
YOWMIA
Ottawa
Sun 1/11
7:00 a.m.-1:05 p.m.
1 stop6h 05m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 252
OttawaTampa
YOW Ottawa - TPA Tampa
YOWTPA
Ottawa
Sun 29/11
12:45 p.m.-7:49 p.m.
1 stop7h 04m
Tampa
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 255
OttawaNewark
YOW Ottawa - EWR Newark
YOWEWR
Ottawa
Sat 14/11
3:10 p.m.-5:00 p.m.
Nonstop1h 50m
Newark
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 265
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ottawa to USA
Have a flexible travel schedule? Discover the best time to fly to USA from Ottawa with our price prediction graph.
YOW-EWR
YOW-TPA
YOW-BOS
YOW-SFO
YOW-FLL
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 the United States
YOW-US0
YOW-EWR
YOW-TPA
YOW-BOS
YOW-SFO
What is the cheapest month to book a flight from Ottawa to USA?
Currently, January is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 480). Flying from Ottawa to USA in August is currently the most expensive (average of C$ 628). 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.
What is the cheapest time of day to fly from YOW to US?
Find hourly flight availability from Ottawa to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 October 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to USA as you normally would.
How often are flights from Ottawa to the United States delayed?
About 22% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 133 minutes.
What is the most punctual flight time for Ottawa to the United States flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ottawa to the United States flights?
Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.
How far ahead should I book a flight from Ottawa to USA?
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to USA. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing USA
Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 8 October 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Ottawa to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Boarding
8.2
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Ottawa to USA. 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 USA
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to USA by adding a car rental and/or hotel reservation to your travel itinerary.
Direct flights to
Book a non-stop flight to one of these other cities located in .
Search flights from Ottawa to USA by cabin class
Find flights from Ottawa to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ottawa and USA flights
Browse other Ottawa and USA flight options. Last updated on 8 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Ottawa to USA flights
Consider these flights travelling from Ottawa to USA.
Fly to USA regions
Consider these flights travelling to USA regions.
Top 7 airlines flying from Ottawa to USA
Discover the top 7 airlines that operate flights from Ottawa to USA. 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 7,457,451 searches. Data last updated 8 October 2026.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ottawa to USA?
Cheapflights helps you search for flights from Ottawa to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ottawa to USA?
Cheapflights simply makes it quick and affordable to book flights from Ottawa to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ottawa to USA with no change fees?
Certainly. Search results for flights to USA from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ottawa to USA become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Ottawa today and book when prices fit your budget.