$301+ Cheap flights from Buffalo (BUF) to Ottawa (YOW)
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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Ottawa with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Ottawa
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Cheapest flights from Buffalo to OttawaExplore the most affordable flight options available from Buffalo to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Buffalo to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/259:20 pm -
1 stop19h 25m
Wed 12/25:40 pm -
2 stops43h 55m
Deal found 10/25![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 12/711:23 am -
1 stop25h 48m
Thu 12/103:10 pm -
1 stop27h 00m
Deal found 10/21![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 12/711:23 am -
1 stop25h 48m
Mon 12/146:00 am -
1 stop14h 24m
Deal found 10/23![United Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/611:23 am -
1 stop25h 48m
Sun 12/136:15 am -
2 stops14h 09m
Deal found 10/22![United Airlines logo]()
$669
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Wed 12/91:15 pm -
3 stops23h 58m
Wed 12/163:15 pm -
3 stops41h 37m
Deal found 10/25![Multiple Airlines logo]()
$677
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/87:20 pm -
2 stops17h 50m
Tue 12/153:10 pm -
1 stop8h 24m
Deal found 10/24![United Airlines logo]()
$744
Best flights from Buffalo to OttawaDiscover carefully curated flight deals from Buffalo to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Buffalo to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 12/711:23 am -
1 stop25h 48m
Thu 12/103:10 pm -
1 stop27h 00m
Deal found 10/21![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/67:20 pm -
1 stop26h 36m
Sun 12/133:10 pm -
1 stop8h 24m
Deal found 10/22![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 12/77:20 pm -
2 stops17h 50m
Mon 12/146:15 am -
2 stops13h 04m
Deal found 10/23![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/97:12 am -
1 stop14h 44m
Wed 12/163:10 pm -
1 stop8h 24m
Deal found 10/25![United Airlines logo]()
$731
Last-minute flights from Buffalo to OttawaDiscover last-minute flight deals from Buffalo to Ottawa. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Ottawa. Data last updated October 26, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/23. 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.
Mon 10/267:35 am -
1 stop9h 45m
Tue 10/277:05 am -
1 stop16h 53m
Deal found 10/23![Multiple Airlines logo]()
$1,209
This Air Canada deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:00 am -
1 stop7h 11m
Sat 11/286:00 am -
1 stop17h 49m
Deal found 10/24![Multiple Airlines logo]()
$841
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:00 am -
2 stops15h 16m
Sat 11/283:10 pm -
1 stop8h 39m
Deal found 10/24![United Airlines logo]()
$899
This Air Canada deal was found by Cheapflights users on 10/24. 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.
Sat 11/2110:30 am -
2 stops9h 22m
Sat 11/289:55 am -
2 stops7h 13m
Deal found 10/24![Air Canada logo]()
$1,046
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/259:20 pm -
1 stop19h 25m
Wed 12/25:40 pm -
2 stops43h 55m
Deal found 10/25![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 11/258:55 pm -
2 stops17h 34m
Wed 12/22:00 pm -
2 stops28h 10m
Deal found 10/25![United Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 10/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:36 pm -
3 stops23h 16m
Wed 12/27:00 am -
2 stops15h 58m
Deal found 10/25![American Airlines logo]()
$1,106
One-way flights from Buffalo to OttawaSearch for one-way flight options from Buffalo to Ottawa. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Buffalo to Ottawa. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 12/711:23 am -
1 stop10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$301
This United deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:23 am -
1 stop10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/111:23 am -
1 stop10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/57:00 am -
2 stops14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Wed 12/97:20 pm -
1 stop17h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$342
This United deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:23 am -
1 stop10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:28 am -
3 stops12h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$648
Find flight deals from Buffalo to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $645 (Kiwi.com) |
One-way from | $301 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Ottawa 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 October 26, 2026.
Use the filters below to find and compare flights from Buffalo to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Mon 12/7
11:23 am-9:56 pm
1 stop10h 33m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$301
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Sat 12/12
11:23 am-2:09 pm
2 stops26h 46m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$312
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Tue 12/1
11:23 am-9:56 pm
1 stop10h 33m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Tue 12/1
11:23 am-9:56 pm
1 stop10h 33m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$327
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Sat 12/5
7:00 am-9:56 pm
1 stop14h 56m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$327
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Wed 12/9
7:20 pm-1:11 pm
1 stop17h 51m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$342
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Sat 12/12
11:23 am-9:56 pm
1 stop10h 33m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$410
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Mon 12/7
11:23 am-1:11 pm
1 stop25h 48m
Ottawa
Thu 12/10
3:10 pm-6:10 pm
1 stop27h 00m
$659
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Sun 12/6
7:20 pm-9:56 pm
1 stop26h 36m
Ottawa
Sun 12/13
3:10 pm-11:34 pm
1 stop8h 24m
$659
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Mon 12/7
7:20 pm-1:10 pm
2 stops17h 50m
Ottawa
Mon 12/14
6:15 am-7:19 pm
2 stops13h 04m
$708
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Ottawa
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Ottawa in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Buffalo with our price prediction graph.
BUF-YOW
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.
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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