Question 1

How long is the flight from Boston to Seattle-Tacoma?

Accepted Answer

A nonstop flight from Boston to Seattle-Tacoma typically takes around 6 hours 26 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 18 hours 10 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.

Question 2

Are there nonstop flights from Boston to Seattle-Tacoma?

Accepted Answer

Yes, there are nonstop flights from Boston to Seattle-Tacoma, averaging around 5 to 6 flights per day, operated by, among others, Alaska Airlines, Delta and JetBlue Airways. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.

Question 3

Which airlines fly from Boston to Seattle-Tacoma?

Accepted Answer

Direct flights from Boston to Seattle-Tacoma are operated by, among others, Alaska Airlines, Delta and JetBlue Airways. Connecting flights with one stop are also available, for example with Westjet (via Calgary) and Sun Country Airlines (via Minneapolis). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.

Question 4

On which days are there nonstop flights from Boston to Seattle-Tacoma?

Accepted Answer

Nonstop flights from Boston to Seattle-Tacoma operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.

Question 5

How many flights are there per day from Boston to Seattle-Tacoma?

Accepted Answer

From Boston to Seattle-Tacoma, there are on average around 5 to 6 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.

Question 6

How many flights per week are there from Boston to Seattle-Tacoma?

Accepted Answer

From Boston to Seattle-Tacoma, there are around 40 to 41 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.

Question 7

When does the first flight from Boston to Seattle-Tacoma depart?

Accepted Answer

The earliest nonstop flight from Boston to Seattle-Tacoma usually departs at 7:00 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Seattle-Tacoma.

Question 8

When does the last flight from Boston to Seattle-Tacoma depart?

Accepted Answer

The last nonstop flight from Boston to Seattle-Tacoma usually departs at 6:35 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.

	Outbound	Return	Airlines	Baggage	Price
Boston Seattle-Tacoma	Outbound 08/20/26 direct AS0459 06h 13min	Return 08/25/26 1 Stopover (PDX) AS0434, AS0436 08h 17min	Alaska Airlines	?	$340
Best option Boston Seattle-Tacoma	Outbound 10/01/26 direct AS0459 06h 13min	Return 10/11/26 direct AS0214 05h 29min	Alaska Airlines	?	$376
Boston Seattle-Tacoma	Outbound 08/20/26 direct AS0459 06h 13min	Return 08/25/26 1 Stopover (PDX) AS0434, AS0436 08h 17min	Alaska Airlines		$349
Boston Seattle-Tacoma	Outbound 08/20/26 1 Stopover (SAN) AS0389, AS0709 18h 03min	Return 08/25/26 1 Stopover (PDX) AS0453, AS0436 20h 01min	Alaska Airlines		$352
Boston Seattle-Tacoma	Outbound 10/01/26 1 Stopover (JFK) B60717, B60263 10h 42min	Return 10/11/26 direct B60398 05h 24min	JetBlue Airways		$354
Boston Seattle-Tacoma	Outbound 08/20/26 direct AS0306 06h 13min	Return 08/25/26 1 Stopover (PDX) AS0434, AS0436 08h 17min	Alaska Airlines		$354
Boston Seattle-Tacoma	Outbound 08/20/26 direct AS0306 06h 13min	Return 08/25/26 1 Stopover (PDX) AS0434, AS0436 08h 17min	Alaska Airlines		$357
Boston Seattle-Tacoma	Outbound 08/20/26 1 Stopover (SAN) AS0389, AS0709 18h 03min	Return 08/25/26 1 Stopover (PDX) AS0453, AS0436 20h 01min	Alaska Airlines		$360
Boston Seattle-Tacoma	Outbound 10/01/26 1 Stopover (JFK) B60717, B60263 10h 42min	Return 10/11/26 direct AS0214 05h 29min	JetBlue Airways	?	$361
Boston Seattle-Tacoma	Outbound 08/20/26 1 Stopover (JFK) B60717, B60263 11h 22min	Return 08/25/26 1 Stopover (PDX) AS0434, AS0436 08h 17min	JetBlue Airways	?	$367

Roundtrip from	$ 339,60
Flight duration	min. 06:33 / max. 10:40
Return flight duration	min. 05:08/ max. 08:15
Distance	4010 km
Flights per week	57
Departure airport	Airport Boston Logan International Airport, MA (BOS)
Arrival airport	Airport Seattle-Tacoma International Airport, WA (SEA)
Destination country	Flights to United States
Departure airport - Destination country	Boston Logan International Airport, MA - United States

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Boston Logan International Airport, MA

Seattle-Tacoma International Airport, WA

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