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Cheap flights from Massachusetts to Seattle from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Seattle departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Massachusetts to Seattle

Cheap round-trip flights

Alaska Airlines Logo
4:00 pm - 7:15 pmBOS-SEA
6h 15mnonstop
Alaska Airlines Logo
3:59 pm - 12:27 amSEA-BOS
5h 28mnonstop
$176Alaska Airlines
Find Deal
jue., sep. 25 - mié., oct. 1
Hawaiian Airlines Logo
4:00 pm - 7:15 pmBOS-SEA
6h 15mnonstop
Hawaiian Airlines Logo
3:59 pm - 12:27 amSEA-BOS
5h 28mnonstop
$193Hawaiian Airlines
Find Deal
jue., sep. 25 - mié., oct. 1
Delta Logo
7:25 am - 10:45 amBOS-SEA
6h 20mnonstop
Delta Logo
3:38 pm - 11:58 pmSEA-BOS
5h 20mnonstop
$197Delta
Find Deal
mié., sep. 10 - mié., sep. 17
JetBlue Logo
7:00 am - 10:19 amBOS-SEA
6h 19mnonstop
JetBlue Logo
11:30 am - 8:26 pmSEA-BOS
5h 56mnonstop
$198JetBlue
Find Deal
jue., sep. 25 - mié., oct. 1
JetBlue Logo
7:00 am - 10:19 amBOS-SEA
6h 19mnonstop
JetBlue Logo
11:30 am - 8:26 pmSEA-BOS
5h 56mnonstop
$200JetBlue
Find Deal
mar., sep. 23 - mié., oct. 1
Delta Logo
6:45 pm - 10:01 pmBOS-SEA
6h 16mnonstop
Delta Logo
10:05 pm - 6:35 amSEA-BOS
5h 30mnonstop
$217Delta
Find Deal
vie., sep. 12 - mar., sep. 16
American Airlines Logo
12:52 pm - 8:09 pmBOS-SEA
10h 17m1 stop
American Airlines Logo
11:05 pm - 10:10 amSEA-BOS
8h 05m1 stop
$218American Airlines
Find Deal
jue., sep. 25 - jue., oct. 2
American Airlines Logo
12:52 pm - 8:09 pmBOS-SEA
10h 17m1 stop
American Airlines Logo
11:05 pm - 10:10 amSEA-BOS
8h 05m1 stop
$219American Airlines
Find Deal
jue., sep. 25 - jue., oct. 2
Southwest Logo
8:00 am - 7:55 pmBOS-SEA
14h 55m1 stop
Southwest Logo
11:10 pm - 10:00 amSEA-BOS
7h 50m1 stop
$222Southwest
Find Deal
sáb., sep. 6 - jue., sep. 11
Southwest Logo
5:40 am - 11:15 amBOS-SEA
8h 35m1 stop
Southwest Logo
5:55 am - 7:15 pmSEA-BOS
10h 20m1 stop
$225Southwest
Find Deal
mar., sep. 2 - sáb., sep. 6

Hawaiian Airlines flights from Massachusetts to Seattle

Our best Hawaiian Airlines deals on Massachusetts to Seattle flight tickets
Hawaiian Airlines
Sep 25
BOS4:00 pmBoston Logan Intl
6h 15m
SEA7:15 pmSeattle/Tacoma Intl
Oct 1
SEA3:59 pmSeattle/Tacoma Intl
5h 28m
BOS12:27 amBoston Logan Intl
$193
Find similar
Hawaiian Airlines
Sep 25
BOS7:20 amBoston Logan Intl
6h 13m
SEA10:33 amSeattle/Tacoma Intl
Oct 1
SEA3:59 pmSeattle/Tacoma Intl
5h 28m
BOS12:27 amBoston Logan Intl
$196
Find similar
Hawaiian Airlines
Nov 8
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl
Dec 6
SEA8:20 amSeattle/Tacoma Intl
5h 26m
BOS4:46 pmBoston Logan Intl
$207
Find similar

JetBlue flights from Massachusetts to Seattle

Our best JetBlue deals on Massachusetts to Seattle flight tickets
JetBlue
Sep 25
BOS7:00 amBoston Logan Intl
6h 19m
SEA10:19 amSeattle/Tacoma Intl
Oct 1
SEA11:30 amSeattle/Tacoma Intl
5h 56m
BOS8:26 pmBoston Logan Intl
$198
Find similar
JetBlue
Sep 23
BOS7:00 amBoston Logan Intl
6h 19m
SEA10:19 amSeattle/Tacoma Intl
Oct 1
SEA11:30 amSeattle/Tacoma Intl
5h 56m
BOS8:26 pmBoston Logan Intl
$200
Find similar
JetBlue
Sep 14
BOS7:00 amBoston Logan Intl
6h 19m
SEA10:19 amSeattle/Tacoma Intl
Sep 23
SEA11:30 amSeattle/Tacoma Intl
5h 53m
BOS8:23 pmBoston Logan Intl
$237
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 12, 2025.
Use the filters below to find and compare flights from Massachusetts to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

jue. 9/25

4:00 pm-7:15 pm

Nonstop6h 15m

Seattle/Tacoma Intl

mié. 10/1

3:59 pm-12:27 am

Nonstop5h 28m

$176

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

jue. 9/25

4:00 pm-7:15 pm

Nonstop6h 15m

Seattle/Tacoma Intl

mié. 10/1

3:59 pm-12:27 am

Nonstop5h 28m

$193

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

mié. 9/10

7:25 am-10:45 am

Nonstop6h 20m

Seattle/Tacoma Intl

mié. 9/17

3:38 pm-11:58 pm

Nonstop5h 20m

$197

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

jue. 9/25

7:00 am-10:19 am

Nonstop6h 19m

Seattle/Tacoma Intl

mié. 10/1

11:30 am-8:26 pm

Nonstop5h 56m

$198

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

mar. 9/23

7:00 am-10:19 am

Nonstop6h 19m

Seattle/Tacoma Intl

mié. 10/1

11:30 am-8:26 pm

Nonstop5h 56m

$200

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

vie. 9/12

6:45 pm-10:01 pm

Nonstop6h 16m

Seattle/Tacoma Intl

mar. 9/16

10:05 pm-6:35 am

Nonstop5h 30m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

jue. 9/25

12:52 pm-8:09 pm

1 stop10h 17m

Seattle/Tacoma Intl

jue. 10/2

11:05 pm-10:10 am

1 stop8h 05m

$218

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

jue. 9/25

12:52 pm-8:09 pm

1 stop10h 17m

Seattle/Tacoma Intl

jue. 10/2

11:05 pm-10:10 am

1 stop8h 05m

$219

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

sáb. 9/6

8:00 am-7:55 pm

1 stop14h 55m

Seattle/Tacoma Intl

jue. 9/11

11:10 pm-10:00 am

1 stop7h 50m

$222

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

mar. 9/2

5:40 am-11:15 am

1 stop8h 35m

Seattle/Tacoma Intl

sáb. 9/6

5:55 am-7:15 pm

1 stop10h 20m

$225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Massachusetts 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?

In general, January is the cheapest month to fly from Massachusetts to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $236. If you don’t want to visit Seattle in January, then you should wait until March to fly from Massachusetts, when ticket prices are also cheap, with an average price of $279.

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

On average, the least expensive day to fly to Seattle from Massachusetts is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $399. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Massachusetts because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $520.

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

Flying to Seattle from Massachusetts in the evening is the least expensive time of day to depart. momondo users have found prices as low as $329 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $464. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Seattle from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Massachusetts for as low as $302 on momondo.

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

There are 4 cabin classes available to choose from on Massachusetts 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.

Can stopping save me money on Massachusetts to Seattle flights?

No. A direct flight is the cheapest option for a flight between Massachusetts to Seattle.

Cheap Massachusetts to Seattle flight deals and tips

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

Best Price Found

$93

Fastest flight time

6h 13m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Massachusetts in the past 72 hours is $93. The best round-trip flight deal from Massachusetts to Seattle found on momondo in the last 72 hours is $176.
The fastest flight from Massachusetts to Seattle takes 6h 13m
Direct flights go from Massachusetts to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    Prices for flights from Massachusetts to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Massachusetts to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Massachusetts 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 Massachusetts 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 Massachusetts to Seattle?

Best airlines flying from Massachusetts to Seattle

Compare and see reviews for airlines that fly from Massachusetts to Seattle with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $135Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
Hawaiian AirlinesPriceFrom $149Free CancellationRating
7.8
2,651 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $153Free CancellationRating
8.0
7,978 reviews
Search Delta flights
Sun Country AirPriceFrom $172Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
Spirit AirlinesPriceFrom $187Free CancellationRating
6.3
8,043 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $223Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $259Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Federal Way
Lynnwood
Puyallup
Marysville
Tukwila
Kirkland
Lakewood
Fife
Cle Elum
Shoreline
Centralia
Westport
Redmond

Why use momondo?

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

Finding the right flight to Seattle from Massachusetts is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

All flight searches from Massachusetts to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Massachusetts to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Massachusetts to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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