
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $298 (JetBlue) |
One-way from | $160 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $441 |
Fly from
Fly to
Route
Depart
Return
Price
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Thu 1/8
3:38 pm-10:25 pm
1 stop9h 47m
Seattle/Tacoma Intl
Tue 1/27
11:10 pm-11:45 am
1 stop9h 35m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Mon 1/26
6:20 am-1:15 pm
1 stop9h 55m
Seattle/Tacoma Intl
Tue 2/3
6:25 am-9:55 pm
2 stops12h 30m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Thu 1/8
9:55 am-6:26 pm
2 stops11h 31m
Seattle/Tacoma Intl
Tue 1/27
8:40 am-8:29 pm
2 stops8h 49m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Mon 3/2
6:10 am-1:30 pm
1 stop10h 20m
Seattle/Tacoma Intl
Fri 3/6
5:15 am-3:15 pm
1 stop7h 00m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Thu 1/8
7:30 am-1:14 pm
1 stop8h 44m
Seattle/Tacoma Intl
Mon 1/12
9:45 pm-12:08 pm
2 stops11h 23m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Tue 3/3
1:52 pm-7:03 pm
1 stop8h 11m
Seattle/Tacoma Intl
Wed 3/4
10:55 am-9:01 pm
1 stop7h 06m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 2/4
11:51 am-8:00 pm
1 stop11h 09m
Seattle/Tacoma Intl
Sun 2/8
6:05 am-4:59 pm
1 stop7h 54m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Sat 1/10
11:24 am-9:15 pm
2 stops12h 51m
Seattle/Tacoma Intl
Sun 1/11
8:10 am-7:25 pm
1 stop8h 15m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Fri 1/9
5:23 pm-10:43 pm
1 stop8h 20m
Seattle/Tacoma Intl
Mon 1/12
7:00 am-5:40 pm
1 stop7h 40m
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Sun 3/8
1:37 pm-12:30 pm
2 stops25h 53m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
The best time to book flights from Buffalo to Seattle is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Buffalo to Seattle (average of $155). Flying from Buffalo to Seattle in December is currently the most expensive (average of $325). 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.
Unlike in the morning, when flights are generally more expensive, you can save up to 47% on flights from Buffalo to Seattle by exploring options for tickets in the evening.
Travelers seeking maximum savings on their Buffalo to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Boarding
Comfort
Crew
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Crew
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Crew
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Crew
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Crew
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Boarding
Comfort
Crew
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$318 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$327 | Average$458 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$335 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$344 | Average$480 | FlexibilityNo cancel fee | On-time69% |