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Flight Deals from Buffalo to Ottawa from $354

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Bundle + Save

Top flight deals from leading airlines:

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Incredible Deals

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Stops

  • Up to 1 stop
    $680
  • Up to 2 stops
    $690

Airlines

  • Air Canada
    $748
  • United Airlines
    $680

Cabin Class

  • Economy
    $680

Departure Airports

  • Buffalo Niagara International Airport
    $680

Arrival Airports

  • Ottawa Macdonald-Cartier International Airport
    $680

Layover Airports

  • Chicago O Hare Airport
    $713
  • Newark Liberty Airport
    $680
  • Toronto Pearson Airport
    $760
  • Washington Dulles Airport
    $680

Best Price. GUARANTEED.

Exclusively for Priceline Members
Tired of searching? Book now!
We'll refund the difference if you find a lower price.

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On average save $240 per traveler
United Airlines Logo
United Airlines

09/16/25

BUF
19h 8m
IAD

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$680
United Airlines Logo
United Airlines

09/16/25

BUF
13h 58m
IAD

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$680
United Airlines Logo
United Airlines

09/16/25

BUF
19h 8m
IAD

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$680
United Airlines Logo
United Airlines

09/16/25

BUF
13h 58m
IAD

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$680
United Airlines Logo
United Airlines

09/16/25

BUF
15h 45m
IAD
EWR

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$690
United Airlines Logo
United Airlines

09/16/25

BUF
15h 45m
IAD
EWR

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$690
United Airlines Logo
United Airlines

09/16/25

BUF
11h 27m
IAD
EWR

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$690
United Airlines Logo
United Airlines

09/16/25

BUF
18h 21m
IAD
EWR

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$690
United Airlines Logo
United Airlines

09/16/25

BUF
11h 27m
IAD
EWR

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$690
United Airlines Logo
United Airlines

09/16/25

BUF
18h 21m
IAD
EWR

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$690
United Airlines Logo
United Airlines

09/16/25

BUF
13h 58m
IAD

09/17/25

YOW
Air Canada Logo
Air Canada

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$702
United Airlines Logo
United Airlines

09/16/25

BUF
13h 58m
IAD

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
8h 49m
IAD

09/23/25

BUF
$709
United Airlines Logo
United Airlines

09/16/25

BUF
11h 27m
IAD
EWR

09/16/25

YOW
Air Canada Logo
Air Canada

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$711
United Airlines Logo
United Airlines

09/16/25

BUF
10h 1m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$713
United Airlines Logo
United Airlines

09/16/25

BUF
10h 40m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$713
United Airlines Logo
United Airlines

09/16/25

BUF
14h 30m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$713
United Airlines Logo
United Airlines

09/16/25

BUF
14h 30m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$713
United Airlines Logo
United Airlines

09/16/25

BUF
10h 1m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$713
United Airlines Logo
United Airlines

09/16/25

BUF
10h 40m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$713
United Airlines Logo
United Airlines

09/16/25

BUF
11h 27m
IAD
EWR

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
8h 49m
IAD

09/23/25

BUF
$719
United Airlines Logo
United Airlines

09/16/25

BUF
10h 1m
ORD

09/16/25

YOW
Air Canada Logo
Air Canada

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$735
United Airlines Logo
United Airlines

09/16/25

BUF
10h 40m
ORD

09/16/25

YOW
Air Canada Logo
Air Canada

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$735
United Airlines Logo
United Airlines

09/16/25

BUF
7h 15m
IAD
EWR

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$740
United Airlines Logo
United Airlines

09/16/25

BUF
10h 1m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
8h 49m
IAD

09/23/25

BUF
$744
Air Canada Logo
Air Canada

09/16/25

BUF
10h 40m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$748
Air Canada Logo
Air Canada

09/16/25

BUF
10h 1m
ORD

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$748
United Airlines Logo
United Airlines

09/16/25

BUF
6h 26m
IAD
YYZ

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$760
Air Canada Logo
Air Canada

09/16/25

BUF
7h 40m
ORD
YYZ

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$760
Air Canada Logo
Air Canada

09/16/25

BUF
7h 40m
ORD
YYZ

09/17/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 10m
EWR

09/23/25

BUF
$760
United Airlines Logo
United Airlines

09/16/25

BUF
6h 26m
IAD
YYZ

09/16/25

YOW
United Airlines Logo
United Airlines

09/23/25

YOW
9h 20m
EWR

09/23/25

BUF
$760

Top Deals on flights from Buffalo to Ottawa

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
15h 35m
EWR

Sep 16

YOW

as low as

$354

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
4h 2m
IAD

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
5h 15m
EWR

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
7h 38m
ORD

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
6h 7m
EWR

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
3h 35m
IAD

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
13h 58m
IAD

Sep 17

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
6h 11m
ORD

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
6h 59m
ORD

Sep 16

YOW

as low as

$358

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
10h 13m
EWR

Sep 16

YOW

as low as

$370

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
15h 35m
EWR

Sep 16

YOW

as low as

$375

Buffalo, US (BUF) - Ottawa, CA (YOW)

United Airlines Logo
United Airlines

Sep 16

BUF
7h 15m
IAD
EWR

Sep 16

YOW

as low as

$383

Frequently Asked Questions

Is there a direct flight from Buffalo to Ottawa?
There is no direct flight from Buffalo Niagara International Airport to Ottawa Macdonald-Cartier International Airport. The available flights are one stop with United Airlines priced at $680 and $748 respectively, and two stop options as well.
Are there convenient layover flights from Buffalo to Ottawa?
Yes, convenient layover flights from Buffalo to Ottawa are available. United Airlines offers a 1 stop flight for $680 (19h 8m) and another for $690 with 2 stops for $690 (11h 27m). Air Canada provides a 1 stop flight for $748 (10h 40m) and a 2 stop flight for $760 (7h 40m).
What are the most convenient layover airports for the flight?
The most convenient layover airports for your flight from Buffalo to Ottawa are Washington Dulles, Chicago O'Hare, Newark Liberty, and Toronto Pearson.
What are the cheapest and fastest flight options from Buffalo to Ottawa?
The cheapest flight is with United Airlines for $680, taking 19 hours 8 minutes. The fastest flight is also with United Airlines for $748, taking 3 hours 35 minutes.
What are all possible destination arrival airports?
The possible destination arrival airports are Ottawa Macdonald-Cartier International Airport, Washington Dulles Airport, Newark Liberty Airport, Chicago O'Hare Airport, and Toronto Pearson Airport.
What is the time difference between Buffalo and Ottawa?
Buffalo and Ottawa are in different time zones; Ottawa is generally 1 hour ahead of Buffalo, depending on daylight saving time adjustments.