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Cheap flights from Boston to Seattle from ₹ 10,668

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Find the cheapest flights from Boston to Seattle

Cheap return flights

These are some of the best return flight deals from Boston to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Seattle.

Cheap last-minute flights

Planning a quick getaway from Boston to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Boston to Seattle

Find recent round-trip train or bus tickets from Boston to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
BOS-SEA
6h 34mdirect
SEA-BOS
5h 26mdirect
American Airlines
Find Deal
BOS-SEA
6h 33mdirect
SEA-BOS
5h 20mdirect
Condor
Find Deal
BOS-SEA
6h 40mdirect
SEA-BOS
5h 29mdirect
BOS-SEA
6h 33mdirect
SEA-BOS
5h 26mdirect
Qatar Airways
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BOS-SEA
6h 23mdirect
SEA-BOS
5h 24mdirect
Japan Airlines
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BOS-SEA
6h 26mdirect
SEA-BOS
5h 24mdirect
Aer Lingus
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BOS-SEA
6h 40mdirect
SEA-BOS
5h 39mdirect
Air France
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BOS-SEA
6h 45mdirect
SEA-BOS
5h 30mdirect
BOS-SEA
6h 45mdirect
SEA-BOS
5h 29mdirect
China Eastern
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BOS-SEA
6h 22mdirect
SEA-BOS
5h 30mdirect
BOS-SEA
6h 38mdirect
SEA-BOS
5h 26mdirect
Alaska Airlines
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BOS-SEA
6h 21mdirect
SEA-BOS
5h 24mdirect
JetBlue
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BOS-SEA
6h 35mdirect
SEA-BOS
5h 36mdirect
LATAM Airlines
Find Deal
BOS-SEA
6h 27mdirect
SEA-BOS
5h 39mdirect
Scandinavian Airlines
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BOS-SEA
6h 21mdirect
SEA-BOS
5h 26mdirect
Hawaiian Airlines
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BOS-SEA
6h 33mdirect
SEA-BOS
5h 18mdirect
Korean Air
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BOS-SEA
6h 28mdirect
SEA-BOS
5h 26mdirect
Air Tahiti Nui
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BOS-SEA
6h 21mdirect
SEA-BOS
5h 20mdirect
TAP AIR PORTUGAL
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BOS-SEA
6h 45mdirect
SEA-BOS
5h 30mdirect
Virgin Atlantic
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BOS-SEA
6h 34mdirect
SEA-BOS
5h 18mdirect
Singapore Airlines
Find Deal
BOS-SEA
6h 33mdirect
American Airlines
Find Deal
BOS-SEA
6h 33mdirect
Condor
Find Deal
BOS-SEA
6h 40mdirect
BOS-SEA
6h 33mdirect
Qatar Airways
Find Deal
BOS-SEA
6h 38mdirect
Japan Airlines
Find Deal
BOS-SEA
6h 26mdirect
Aer Lingus
Find Deal
BOS-SEA
6h 40mdirect
Air France
Find Deal
BOS-SEA
6h 45mdirect
BOS-SEA
6h 45mdirect
China Eastern
Find Deal
BOS-SEA
6h 22mdirect
BOS-SEA
6h 38mdirect
Alaska Airlines
Find Deal
BOS-SEA
6h 21mdirect
JetBlue
Find Deal
BOS-SEA
6h 26mdirect
Etihad Airways
Find Deal
BOS-SEA
6h 35mdirect
LATAM Airlines
Find Deal
BOS-SEA
6h 23mdirect
Finnair
Find Deal
BOS-SEA
6h 27mdirect
Scandinavian Airlines
Find Deal
BOS-SEA
6h 21mdirect
Hawaiian Airlines
Find Deal
BOS-SEA
6h 33mdirect
Korean Air
Find Deal
BOS-SEA
6h 40mdirect
Air Tahiti Nui
Find Deal
BOS-SEA
6h 21mdirect
TAP AIR PORTUGAL
Find Deal
BOS-SEA
6h 45mdirect
Virgin Atlantic
Find Deal
BOS-SEA
6h 34mdirect
Singapore Airlines
Find Deal

See travel insights to Seattle from

How to get the cheapest flight ticket from Boston to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

If you aren’t able to travel during the month of January, then book flights to Seattle from Boston during February instead. Flights to Seattle in February, while not as cheap as those in January, still average around ₹ 21,422.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Boston to Seattle is on a Wednesday. Travellers who choose to depart for Seattle on a Wednesday will often find tickets for as low as ₹ 0. Flights from Boston to Seattle on a Thursday will generally be more expensive and average around ₹ 28,043. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seattle?

Our data shows that the cheapest Boston to Seattle flights are usually those with departure times at midday. Our users have found flights to Seattle at midday for as low as ₹ 0. Try not to purchase tickets in the afternoon because they tend to be around ₹ 22,201. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boston Logan Intl to Seattle/Tacoma Intl flight route?

Fly from Boston Logan Intl to Seattle/Tacoma Intl for the best Boston Logan Intl - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

We recommend purchasing flights from Boston to Seattle 38 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Seattle for ₹ 30,502. However, in the past 72 hours, people saw flights from Boston for as low as ₹ 2,157,879.

What cabin class options are available on Boston Logan Intl to Seattle/Tacoma Intl flights?

There are 2 cabin classes available to choose from on Boston Logan Intl to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Seattle flight prices changed over time?

As of December 2024, prices for Boston to Seattle flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Seattle (BOS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Seattle

Direct flights

None
There are no direct flights from Boston to Seattle. There are no popular flight routes from Boston to Seattle.

  • How far is Boston Logan Intl to Seattle/Tacoma Intl by plane?

    The straight-line distance from Boston Logan Intl to Seattle/Tacoma Intl is 3997.7 km.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Seattle?


Why use momondo?

Why should I use momondo to find a flight deal from Boston to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Boston.

I’m not ready to book a flight from Boston to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Boston and alert you when they change.


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