About this route
Airlines serving both Seattle and Buffalo include Iberia, JetBlue, United Airlines and 3 more. We don't publish an award chart for this city pair yet, so use the search tool below to check live award pricing and availability across every program that flies it.
Airlines serving these airports
These carriers serve both SEA and BUF, non-stop or via a connecting hub.
Iberia
IB
JetBlue
B6
United Airlines
UA
American Airlines
AA
Frontier Airlines
F9
Southwest Airlines
WN
When award seats open on this route
Booking tips
- Book 6-11 months in advance for the best premium cabin availability
- Compare programs before transferring — prices vary significantly between loyalty currencies
- Check our search tool for real-time Seattle to Buffalo award availability
Keep planning this trip
Other award routes from Seattle
Frequently asked questions
Which loyalty programs can I use for SEA to BUF?
We don't publish an award chart for SEA–BUF yet, so search the route to see which programs price it and what they charge. Most major programs accept transfers from Amex, Chase and Capital One, so the currency you hold is rarely the constraint — availability is.
Ready to book Seattle to Buffalo?
Search real-time award availability across every airline on this route.