
Book Cheap Delta flight from Buffalo (BUF) to Seattle (SEA) from CA $307
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 $600 round trip and CA $307 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 July.
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
Room is very clean, bed and especially the pillows very comfortable. The staff is always courteous and breakfast is wonderful. I’m always pleased with the cleanliness of the facilities.
Reviewed on Nov 3, 2025

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Delicious coffee, comfortable, quiet.
Reviewed on Oct 31, 2025

SureStay Hotel by Best Western SeaTac Airport North
Great place, clean, great friendly staff!
Reviewed on Oct 31, 2025
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 Fort Lauderdale (YYZ - FLL)
- Winnipeg to Delhi (YWG - DEL)
- Toronto to New York (YYZ - JFK)
- Calgary to Delhi (YYC - DEL)
- Toronto to London (YYZ - LHR)
- Toronto to Lisbon (YYZ - LIS)
- Toronto to New York (YYZ - LGA)
- Toronto to Delhi (YYZ - DEL)
- Toronto to Los Angeles (YYZ - LAX)
- Montreal to Tokyo (YUL - HND)
International
- Montreal to Lisbon (YUL - LIS)
- Toronto to Mumbai (YYZ - BOM)
- Montreal to Casablanca (YUL - CMN)
- Toronto to Las Vegas (YYZ - LAS)
- Toronto to Los Angeles (YYZ - LAX)
- Montreal to Paris (YUL - CDG)
- Toronto to Las Vegas (YYZ - LAS)
- Toronto to New York (YYZ - LGA)
- Winnipeg to Delhi (YWG - DEL)
- Winnipeg to Delhi (YWG - DEL)
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