$408+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YOW
Oct 10 — Oct 171
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
Cheapest
Best
Last-minute
One-way
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/92:44 pm -
2 stops14h 51m
Mon 10/194:15 pm -
1 stop25h 41m
Deal found 9/6![Multiple Airlines logo]()
$558
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Fri 10/2310:46 am -
1 stop10h 49m
Fri 10/306:15 am -
1 stop14h 21m
Deal found 9/9![Air Canada logo]()
$750
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/2311:53 am -
2 stops32h 07m
Fri 10/307:00 am -
2 stops34h 56m
Deal found 9/8![American Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:30 am -
1 stop16h 05m
Fri 10/306:00 am -
1 stop16h 59m
Deal found 9/8![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/286:00 am -
1 stop9h 07m
Sat 10/319:45 am -
1 stop25h 09m
Deal found 9/9![United Airlines logo]()
$848
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/305:30 am -
2 stops14h 30m
Sat 10/37:00 am -
2 stops41h 07m
Deal found 9/8![American Airlines logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 9/106:47 pm -
2 stops19h 46m
Mon 9/144:15 pm -
1 stop25h 34m
Deal found 9/8![Multiple Airlines logo]()
$860
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/92:44 pm -
2 stops14h 51m
Mon 10/194:15 pm -
1 stop25h 41m
Deal found 9/6![Multiple Airlines logo]()
$558
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Wed 9/307:00 am -
1 stop10h 16m
Sat 10/36:25 am -
1 stop6h 46m
Deal found 9/8![Air Canada logo]()
$750
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:30 am -
1 stop16h 05m
Fri 10/306:00 am -
1 stop16h 59m
Deal found 9/8![United Airlines logo]()
$834
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Fri 10/2310:46 am -
1 stop10h 49m
Fri 10/306:15 am -
1 stop14h 21m
Deal found 9/9![Air Canada logo]()
$750
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/286:00 am -
1 stop9h 07m
Sat 10/319:45 am -
1 stop25h 09m
Deal found 9/9![United Airlines logo]()
$848
Last-minute flights from Buffalo to OttawaDiscover last-minute flight deals from Buffalo to Ottawa. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Ottawa. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 9/106:47 pm -
2 stops19h 46m
Mon 9/144:15 pm -
1 stop25h 34m
Deal found 9/8![Multiple Airlines logo]()
$860
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/305:30 am -
2 stops14h 30m
Sat 10/37:00 am -
2 stops41h 07m
Deal found 9/8![American Airlines logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 10/92:44 pm -
2 stops14h 51m
Mon 10/194:15 pm -
1 stop25h 41m
Deal found 9/6![Multiple Airlines logo]()
$558
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Fri 10/2310:46 am -
1 stop10h 49m
Fri 10/306:15 am -
1 stop14h 21m
Deal found 9/9![Air Canada logo]()
$750
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/2311:53 am -
2 stops32h 07m
Fri 10/307:00 am -
2 stops34h 56m
Deal found 9/8![American Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:30 am -
1 stop16h 05m
Fri 10/306:00 am -
1 stop16h 59m
Deal found 9/8![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/286:00 am -
1 stop9h 07m
Sat 10/319:45 am -
1 stop25h 09m
Deal found 9/9![United Airlines logo]()
$848
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 September 10, 2026.
Search for one-way flight options from Buffalo to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/76:30 am -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/226:00 am -
1 stop3h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/156:51 pm -
2 stops25h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$489
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Tue 9/1510:30 am -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$538
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $558 (Kiwi.com) |
One-way from | $408 (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 September 10, 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
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Wed 10/7
6:30 am-4:38 pm
1 stop10h 08m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$408
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Thu 10/22
6:30 am-9:20 pm
2 stops14h 50m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$422
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Tue 9/15
6:51 pm-8:00 pm
2 stops25h 09m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$489
Quickest round-trip
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Tue 9/15
10:30 am-5:16 pm
1 stop6h 46m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$538
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Fri 10/9
2:44 pm-5:35 am
2 stops14h 51m
Ottawa
Mon 10/19
4:15 pm-5:56 pm
1 stop25h 41m
$558
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Wed 9/30
7:00 am-5:16 pm
1 stop10h 16m
Ottawa
Sat 10/3
6:25 am-1:11 pm
1 stop6h 46m
$750
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Fri 10/23
10:46 am-9:35 pm
1 stop10h 49m
Ottawa
Fri 10/30
6:15 am-8:36 pm
1 stop14h 21m
$750
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Fri 10/23
6:30 am-10:35 pm
1 stop16h 05m
Ottawa
Fri 10/30
6:00 am-10:59 pm
1 stop16h 59m
$834
BuffaloOttawa
BUF Buffalo - YOW Ottawa
BUFYOW
Buffalo
Wed 10/28
6:00 am-3:07 pm
1 stop9h 07m
Ottawa
Sat 10/31
9:45 am-10:54 am
1 stop25h 09m
$848
Sorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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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