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Amazing Delta SEA to BOS Flight Deals

The cheapest flights to Logan Intl. found within the past 7 days were round trip and $129 one way. Prices and availability subject to change. Additional terms may apply.


FAQs about Delta Air Lines Flights from SEA to BOS

What terminal is Delta Air Lines at Sea-Tac Airport?

While we can't say for certain exactly which terminal your Delta Air Lines flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.) will leave from, we can tell you that there's a strong chance you'll be getting off the plane at terminal A.

Are there Delta Air Lines non-stop flights from SEA to BOS?

Yes, there are. Save yourself time and effort and jet straight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.) with Delta Air Lines. Avoid long stopovers, reduce the risk of your bags going missing and get your vacation underway faster — direct flights are the preferred way to travel for many savvy wanderers.

How long is a Delta Air Lines flight from SEA to BOS?

Watch a movie or two, listen to a podcast or just put your seat back and take it easy. Whatever you're into, find a way to while away the 6 hours and 41 minutes that it takes to journey from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.) with Delta Air Lines.

What type of aircraft does Delta Air Lines fly from SEA to BOS?

Delta Air Lines often uses the Boeing 737-900 on the SEA to BOS flight path.

How many direct and indirect flights does Delta Air Lines fly from SEA to BOS?

If you're planning a trip from SEA to BOS, you can select from about 5 Delta Air Lines flights every day.

Flying Tips & Tricks How do I find my flight number?
  • Your flight number will be stated in your itinerary, which your carrier will email to you once your reservation has been locked in. It's a good idea to keep this near at hand in case you want to make any changes to your booking.
How early can you check bags for a flight?
  • This depends where your next great adventure will take you. It's usually three hours for international flights and two hours for domestic. This can differ between airports and carriers, so it's a good idea to double check.

Delta Flights from SEA to BOS

Travelocity is proud to offer some of the lowest fares on Delta flights from Seattle to Boston. With our low price guarantee and free 24 hour cancellation, you can book that flight to BOS with confidence today. Choose from some of the best days to fly with our flexible booking calendar and you’ll save even more money on your journey from SEA to BOS. Whether you’re on the way to a well-deserved vacation or just flying for business, take advantage of these airfare deals today and go and smell the roses!


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.