
Book Cheap Delta flight from Buffalo (BUF) to Seattle (SEA) from CA $242
Find The Best Day to Book a Cheap Delta Flights From Buffalo to Seattle
Cheapest Delta Flights from Buffalo (BUF) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $499 round trip and CA $242 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great Delta flight from BUF to SEA
To find a great deal on Delta flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Delta Buffalo to Seattle gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Delta between Buffalo and Seattle
Delta has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Buffalo to Seattle with Delta are March.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Delta flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ATL | USA | Hartsfield-Jackson Atlanta Intl. | 252 |
| DTW | USA | Detroit Metropolitan Wayne County | 156 |
| MSP | USA | Minneapolis - St. Paul Intl. | 131 |
| SLC | USA | Salt Lake City Intl. | 116 |
| SEA | USA | Seattle - Tacoma Intl. | 57 |
| LAX | USA | Los Angeles Intl. | 41 |
| AMS | NLD | Schiphol | 31 |
| YYC | CAN | Calgary Intl. | 26 |
| YYZ | CAN | Pearson Intl. | 24 |
| JFK | USA | John F. Kennedy Intl. | 23 |
Travelers ❤️ these 🏨 after their flight to Seattle

Coast Gateway Hotel
Very clean and comfortable room. Staff very helpful and nice. Close to airport and very reasonable. Adjacent restaurant is excellent.
Reviewed on Feb 8, 2026

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Friendly staff, nice pool, clean room, timely ride to airport.
Reviewed on Feb 10, 2026

DoubleTree by Hilton Seattle Airport
All good
Reviewed on Feb 8, 2026
Want more than a(n) Delta Flight from Buffalo to Seattle?
Popular Delta Flight Routes from BUF
Top Delta Flight Routes from SEA
Domestic
- Toronto to Cancun (YYZ - CUN)
- Toronto to Las Vegas (YYZ - LAS)
- Toronto to Delhi (YYZ - DEL)
- Montreal to Fort Lauderdale (YUL - FLL)
- Toronto to Punta Cana (YYZ - PUJ)
- Toronto to Mumbai (YYZ - BOM)
- Toronto to Orlando (YYZ - MCO)
- Toronto to Tampa (YYZ - TPA)
- Toronto to Fort Lauderdale (YYZ - FLL)
- Montreal to Paris (YUL - CDG)
International
- Toronto to Cancun (YYZ - CUN)
- Toronto to Montego Bay (YYZ - MBJ)
- Delhi to Toronto (DEL - YYZ)
- Toronto to Miami (YYZ - MIA)
- Toronto to Punta Cana (YYZ - PUJ)
- Toronto to Orlando (YYZ - MCO)
- Toronto to Delhi (YYZ - DEL)
- Toronto to Las Vegas (YYZ - LAS)
- Toronto to Fort Lauderdale (YYZ - FLL)
- Toronto to New York (YYZ - JFK)
Most Popular
- Vancouver to Palm Springs (YVR - PSP)
- Vancouver to Las Vegas (YVR - LAS)
- Detroit to Dallas (DTW - DFW)
- WestJet Vancouver (YVR) to Las Vegas (LAS) flights
- Cathay Pacific Vancouver (YVR) to New York (JFK) flights
- Montreal to Fort Lauderdale (YUL - FLL)
- New York to Toronto (JFK - YYZ)
- Buffalo to Dallas (BUF - DFW)
- Vancouver to Fort Lauderdale (YVR - FLL)
- Buffalo to New York (BUF - JFK)
- Delta Detroit (DTW) to Las Vegas (LAS) flights
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- Fort Lauderdale to Toronto (FLL - YYZ)
- Vancouver to San Diego (YVR - SAN)
- Toronto to Dallas (YYZ - DFW)
- JetBlue Airways Buffalo (BUF) to Fort Lauderdale (FLL) flights
- Porter Airlines Toronto (YTZ) to Philadelphia (PHL) flights
- Air Canada Toronto (YYZ) to Las Vegas (LAS) flights
- Air Canada Toronto (YYZ) to New York (JFK) flights
- WestJet Edmonton (YEG) to Las Vegas (LAS) flights
- Toronto to New York (YYZ - NYC)
- Toronto to Philadelphia (YYZ - PHL)
- St. Louis to Gulf Shores (STL - GUF)
- Toronto to New York (YYZ - LGA)
- Air Canada Toronto (YYZ) to Fort Lauderdale (FLL) flights
- Toronto to Las Vegas (YYZ - LAS)
- Swoop Abbotsford (YXX) to Las Vegas (LAS) flights
- Vancouver to New York (YVR - JFK)
- Delta Buffalo (BUF) to Las Vegas (LAS) flights
