¥19,500 Cheap Flights from Seattle (SEA) to Boston (BOS)

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Cheap Flights from Seattle to Boston (SEA-BOS)

Prices were available within the past 7 days and start at ¥19,500 for one-way flights and ¥41,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
American Airlines
Delta
Delta
Delta
American Airlines
Delta
American Airlines
Flights from Seattle (SEA) to Boston (BOS)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
¥41,150
Distance
3980 km
Average flight time
8 hours 19 mins

Seattle to Boston Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Boston.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to BOS flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to BOS with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Logan Intl. Airport?
Pack your bags, because round-trip flights from Sea-Tac Airport to BOS start from ¥41,150. That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport?
Most flights can be canceled online, but whether you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SEA to BOS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sea-Tac Airport to BOS flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Sea-Tac Airport to Logan Intl. Airport?
It takes approximately 5 hours and 24 minutes to jet from Seattle - Tacoma Intl. Airport (SEA) to BOS. But with some movies and an interesting book, the time will pass by quicker.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS)?
The distance is around 4,000 kilometers. Sleep mask? Check. Warm clothes? Double check. You’ll need to pack all the travel comforts for this long-haul SeaTac to Boston flight.
Which airlines fly direct from Sea-Tac Airport to BOS?
With 108 monthly flights operating from SEA to Logan Intl. Airport (BOS), Alaska Airlines (AS) is a popular choice. Like more options? Check out the airfares with Delta Air Lines (DL). This carrier offers 69 monthly flights between these destinations.
Are Sea-Tac Airport to Logan Intl. Airport (BOS) flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute flight deals between Sea-Tac Airport and Logan Intl. Airport (BOS) are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers announce their prices up to a year ahead of the departure date. Expedia is constantly updating the biggest bargains around, so keep checking and be ready to lock in your seat when the price is low.
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