Flight tickets from Boston (BOSA) to Seattle (SEAA) from ₹ 10,253

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Popular Airlines that fly direct from Boston to Seattle

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Flight deals from Boston to Seattle

Looking for a cheap last-minute deal or the best return flight from Boston to Seattle? If you want to travel next month, return fares start from ₹ 26,064. Find the lowest prices on one-way and return tickets right here.

Seattle.₹ 10,253 per passenger.Departing Tue, 1 Sep.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Tue, 1 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 10,253, select.

Seattle.₹ 10,504 per passenger.Departing Wed, 20 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 20 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 10,504, select.

Seattle.₹ 12,514 per passenger.Departing Thu, 5 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Thu, 5 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 12,514, select.

Seattle.₹ 14,225 per passenger.Departing Tue, 29 Sep.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Tue, 29 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 14,225, select.

Seattle.₹ 14,245 per passenger.Departing Thu, 8 Oct.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Thu, 8 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 14,245, select.

Seattle.₹ 15,864 per passenger.Departing Wed, 2 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 2 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 15,864, select.

Seattle.₹ 15,887 per passenger.Departing Tue, 2 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue, 2 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 15,887, select.

Seattle.₹ 18,436 per passenger.Departing Mon, 31 Aug.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Mon, 31 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 18,436, select.

Seattle.₹ 18,974 per passenger.Departing Wed, 14 Apr.One-way flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 14 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 18,974, select.

Seattle.₹ 19,266 per passenger.Departing Mon, 16 Nov.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Boston Logan International on Mon, 16 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 19,266, select.

Seattle.₹ 19,780 per passenger.Departing Wed, 10 Feb.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Boston Logan International on Wed, 10 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 19,780, select.

Seattle.₹ 20,350 per passenger.Departing Fri, 15 Jan.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 15 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 20,350, select.

Seattle.₹ 20,368 per passenger.Departing Mon, 5 Jul.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Mon, 5 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 20,368, select.

Seattle.₹ 20,368 per passenger.Departing Wed, 2 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 2 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 20,368, select.

Seattle.₹ 20,401 per passenger.Departing Mon, 21 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Mon, 21 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 20,401, select.

Seattle.₹ 20,422 per passenger.Departing Fri, 23 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 23 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 20,422, select.

Find the cheapest month to fly from Boston to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Seattle flights are currently cheapest in September.

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Direct flights from Boston to Seattle

Alternative Boston to Seattle routes

Looking for the cheapest, fastest or easiest route from Boston to Seattle? You could fly into the following airports instead.

Boston to Seattle: Flight information

The things to know before you go.

Cheapest flight found	₹ 10,253
Cheapest month to fly	September
Average flight time	6 hrs, 24 mins
Most popular airline	Alaska Airlines
Average flights per week	984

Finding cheap flights from Boston to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Boston to Seattle?

The best price we found for a return flight from Boston to Seattle is ₹ 21,005. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Boston to Seattle?

6 hours and 24 minutes is the average flight time from Boston to Seattle.

Which airlines fly direct from Boston to Seattle?

Alaska Airlines, Qatar Airways and Delta fly direct from Boston to Seattle.

How many flights are there a week from Boston to Seattle?

As of August 2026, there are 984 flights per week flying from Boston to Seattle.

When is the cheapest time to fly from Boston to Seattle?

The cheapest month to fly from Boston to Seattle is usually November.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Boston, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ₹ 21,005.

Which upcoming date is cheapest to fly from Boston to Seattle on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Seattle on Wednesday, 11 November 2026.

Can I get a direct flight from Boston to Seattle?

Yes – the average flight time is 6 hours and 24 minutes.

How can I get the best flight deal from Boston to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seattle?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seattle?

In August, the average temperature is usually around 18°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.

Which is the cheapest airline to fly from Boston to Seattle with?

The cheapest airline that flies to Seattle is Southwest Airlines. And the cheapest airline that flies to Seattle Boeing Fld Airport is jetBlue.

How to find cheap flights to Seattle (SEAA) from Boston (BOSA) in 2026

Looking for cheap tickets from Boston to Seattle? Return tickets start from ₹ 21,005 and one-way flights to Seattle from Boston start from ₹ 10,253

Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Boston to Seattle. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from ₹ 10,253 one-way.
Flex your dates to find the best BOSA-SEAA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Seattle from Boston.
Set up a Price Alert. You can easily track the fare of your cheap Boston-Seattle flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Find the cheapest Business class flights from Boston and Seattle. We scour the internet for the best Business, Premium Economy and First Class flight fares to Seattle, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Boston to Seattle flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Boston and Seattle whenever you want.

Combine your flight to Seattle from Boston with hotels and car hire

Once you've secured your cheap flight ticket from Boston to Seattle, discover the best prices and exclusive rates for hotels in Seattle or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.

Plan the rest of your trip from Boston to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.