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$100+ Cheap flights from Seattle (SEA) to Massachusetts

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Seattle to Massachusetts

Keep the following information in mind while searching for Seattle to Massachusetts flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$245
(Trip.com)

One-way from

$100
(Delta)

Popular in

July

Cheapest in

January

Average price

$346

Good round-trip deal

$260 or less

Good one-way deal

$149 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.
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From Seattle/Tacoma Intl to Massachusetts
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One-way flight from Seattle/Tacoma Intl to Massachusetts
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Highest demand for flights based on searches. 27% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Massachusetts.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Massachusetts.
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Find flight deals from Seattle to Massachusetts

Cheapest flights from Seattle to Massachusetts
Explore the most affordable flight options available from Seattle to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:49 pmSEA - BOS
Nonstop5h 23mHawaiian Airlines
Sun 5/47:00 amBOS - SEA
Nonstop6h 13mHawaiian Airlines
Deal found 4/17$245
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:35 pmSEA - BOS
Nonstop5h 18mDelta
Sun 5/47:25 amBOS - SEA
Nonstop6h 20mDelta
Deal found 4/17$247
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/193:40 pmSEA - BOS
Nonstop5h 26mAlaska Airlines
Wed 5/288:40 amBOS - SEA
1 stop11h 08mAlaska Airlines
Deal found 4/17$255
This JetBlue deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/211:35 amSEA - BOS
Nonstop5h 33mJetBlue
Tue 5/63:10 pmBOS - SEA
1 stop8h 44mJetBlue
Deal found 4/17$257
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:40 pmSEA - BOS
1 stop8h 00mUnited Airlines
Tue 5/1310:45 amBOS - SEA
1 stop8h 37mUnited Airlines
Deal found 4/17$262
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/211:59 pmSEA - BOS
1 stop7h 34mAmerican Airlines
Sun 5/45:00 amBOS - SEA
1 stop8h 15mAmerican Airlines
Deal found 4/17$268
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:30 pmSEA - BOS
Nonstop5h 25mMultiple Airlines
Mon 5/127:47 pmBOS - SEA
2 stops21h 38mMultiple Airlines
Deal found 4/17$291
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:30 pmSEA - BOS
2 stops19h 44mSpirit Airlines
Mon 5/123:49 pmBOS - SEA
2 stops35h 21mSpirit Airlines
Deal found 4/17$295
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3111:50 pmSEA - MVY
2 stops11h 38mDelta
Sat 6/73:08 pmMVY - SEA
1 stop10h 35mDelta
Deal found 4/16$296
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amSEA - ALB
1 stop9h 00mDelta
Tue 6/36:00 amALB - SEA
1 stop7h 28mDelta
Deal found 4/16$307
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3111:50 pmSEA - ACK
2 stops10h 42mDelta
Sat 6/72:12 pmACK - SEA
1 stop9h 12mDelta
Deal found 4/16$343
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:15 amSEA - ALB
1 stop8h 15mSouthwest
Mon 9/291:00 pmALB - SEA
2 stops9h 55mSouthwest
Deal found 4/16$348

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Massachusetts 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, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Seattle to Massachusetts that are best for you.

Fly from

Seattle

Fly to

Massachusetts

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 5/2

3:49 pm-12:12 am

Nonstop5h 23m

Boston Logan Intl

Sun 5/4

7:00 am-10:13 am

Nonstop6h 13m

$245

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 5/2

3:35 pm-11:53 pm

Nonstop5h 18m

Boston Logan Intl

Sun 5/4

7:25 am-10:45 am

Nonstop6h 20m

$247

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 5/19

3:40 pm-12:06 am

Nonstop5h 26m

Boston Logan Intl

Wed 5/28

8:40 am-4:48 pm

1 stop11h 08m

$255

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 5/2

11:35 am-8:08 pm

Nonstop5h 33m

Boston Logan Intl

Tue 5/6

11:45 am-8:54 pm

1 stop12h 09m

$257

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 5/2

7:15 pm-5:39 am

1 stop7h 24m

Boston Logan Intl

Sun 5/4

5:30 am-11:39 am

1 stop9h 09m

$267

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 5/2

11:59 pm-10:33 am

1 stop7h 34m

Boston Logan Intl

Sun 5/4

5:00 am-10:15 am

1 stop8h 15m

$268

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 5/5

11:30 pm-7:55 am

Nonstop5h 25m

Boston Logan Intl

Mon 5/12

7:47 pm-2:25 pm

2 stops21h 38m

$291

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 5/5

2:30 pm-1:14 pm

2 stops19h 44m

Boston Logan Intl

Mon 5/12

3:49 pm-12:10 am

2 stops35h 21m

$295

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

Sat 5/31

11:50 pm-2:28 pm

2 stops11h 38m

West Tisbury Martha's Vineyard

Sat 6/7

3:08 pm-10:43 pm

1 stop10h 35m

$296

SeattleAlbany

SEA - ALB

SEAALB

Seattle/Tacoma Intl

Wed 5/28

6:00 am-6:00 pm

1 stop9h 00m

Albany Intl

Tue 6/3

6:00 am-10:28 am

1 stop7h 28m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Massachusetts

What is the cheapest month to book a flight from Seattle to Massachusetts?

Currently, January is the cheapest month in which you can book a flight from Seattle to Massachusetts (average of $218). Flying from Seattle to Massachusetts in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to MA?

Find hourly flight availability from Seattle to Massachusetts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Massachusetts as you normally would.

Weekly flight availability from Seattle to Massachusetts

Explore weekly flight availability from Seattle to Massachusetts. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from SEA to USMA are scheduled on a Thursday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Massachusetts by month

Plan your trip to Massachusetts by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Massachusetts ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Massachusetts when rainfall is around 3.1 in.

Temperature in Massachusetts by month

Plan your trip to Massachusetts by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Massachusetts, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Massachusetts

Get insights into the airlines that provide service to Massachusetts. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Massachusetts. Reviews last updated April 17, 2025.
To help decide which airline to fly from Seattle to Massachusetts, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

David,Aug 2024

SFO - BOS

Could not watch a movie, asked for help. Could not get extra cookies
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

David,Aug 2024

SFO - BOS

Could not watch a movie, asked for help. Could not get extra cookies
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

David,Aug 2024

SFO - BOS

Could not watch a movie, asked for help. Could not get extra cookies
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

David,Aug 2024

SFO - BOS

Could not watch a movie, asked for help. Could not get extra cookies
Hawaiian Airlines
7.9
Good
2,380 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

David,Aug 2024

SFO - BOS

Could not watch a movie, asked for help. Could not get extra cookies
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

David,Aug 2024

SFO - BOS

Could not watch a movie, asked for help. Could not get extra cookies

Related info for your journey

Find useful and relevant information for your journey from Seattle to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Massachusetts?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Massachusetts. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How popular is this Seattle to Massachusetts flight route?

    The Seattle/Tacoma Intl to Massachusetts flight path was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Massachusetts one-way?

    One-way options have recently been found by users for as low as $100 on Delta. Other airlines that offer cheap prices include JetBlue from $124 and American Airlines from $134 one-way.

  • What are the most popular routes from Seattle to Massachusetts?

    Most travelers choose Seattle/Tacoma Intl - Boston Logan Intl, Seattle/Tacoma Intl - Hartford Bradley Intl or Seattle/Tacoma Intl - Albany Intl when deciding on the best route from Seattle to Massachusetts.

  • What are the most reliable airlines from Seattle to Massachusetts?

    No one likes to see their flight delayed. When booking a flight from Seattle to Massachusetts consider choosing KLM (100%), LATAM Airlines (100%) or Virgin Atlantic (93%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Massachusetts?

    While on average a flight from Seattle to Massachusetts is generally $824, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $242 for that flight.

  • Can I find deals for flights from Seattle to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Seattle to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Massachusetts.

  • Can I find deals for business class flights from Seattle to Massachusetts?

    Yes. Cheapflights offers flight deals from Seattle to Massachusetts by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Massachusetts?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Massachusetts (average of $218). Flying from Seattle to Massachusetts in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Seattle to Massachusetts

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Seattle to Massachusetts

Discover the top 9 airlines that operate flights from Seattle to Massachusetts. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$395FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$140Average$568FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$260FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$176Average$382FlexibilityNo cancel feeOn-time83%
DeltaCheapest$184Average$408FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$229Average$484FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$235Average$396FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$356Average$466FlexibilityNo cancel feeOn-time63%

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