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$115+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Kiwi.com)

One-way from

$115
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$286

Good round-trip deal

$251 or less

Good one-way deal

$143 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 ($140 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 March 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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1911:30 pmSEA - BOS
Nonstop5h 22mHawaiian Airlines
Fri 4/257:00 amBOS - SEA
Nonstop6h 13mHawaiian Airlines
Deal found 3/27$209
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amSEA - BOS
2 stops23h 41mSpirit Airlines
Mon 5/129:46 amBOS - SEA
2 stops17h 24mSpirit Airlines
Deal found 3/27$220
This Travelocity deal was found by Cheapflights users on 3/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:36 pmSEA - BOS
Nonstop5h 23mMultiple Airlines
Mon 5/129:46 amBOS - SEA
2 stops17h 24mMultiple Airlines
Deal found 3/27$222
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:30 pmSEA - BOS
Nonstop5h 25mAlaska Airlines
Fri 5/27:00 amBOS - SEA
Nonstop6h 13mAlaska Airlines
Deal found 3/27$237
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/288:00 amSEA - BOS
1 stop8h 20mUnited Airlines
Wed 6/46:00 amBOS - SEA
1 stop8h 32mUnited Airlines
Deal found 3/26$252
This JetBlue deal was found by Cheapflights users on 3/27. 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.
Thu 5/111:35 amSEA - BOS
Nonstop5h 33mJetBlue
Fri 5/22:45 pmBOS - SEA
1 stop8h 23mJetBlue
Deal found 3/27$257
This Delta deal was found by Cheapflights users on 3/28. 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.
Thu 4/37:30 amSEA - BOS
Nonstop5h 32mDelta
Sun 4/67:15 amBOS - SEA
Nonstop6h 21mDelta
Deal found 3/28$258
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/231:35 pmSEA - BOS
1 stop7h 24mAmerican Airlines
Wed 4/301:47 pmBOS - SEA
1 stop12h 22mAmerican Airlines
Deal found 3/27$276
This Delta deal was found by Cheapflights users on 3/27. 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 8/2711:05 pmSEA - ALB
1 stop6h 56mDelta
Tue 9/212:35 pmALB - SEA
1 stop10h 52mDelta
Deal found 3/27$347
This Southwest deal was found by Cheapflights users on 3/27. 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.
Wed 8/279:10 pmSEA - ALB
1 stop7h 45mSouthwest
Tue 9/28:45 amALB - SEA
2 stops9h 35mSouthwest
Deal found 3/27$352
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:25 pmSEA - BOS
1 stop13h 10mSun Country Air
Sun 4/278:45 amBOS - SEA
1 stop11h 27mSun Country Air
Deal found 3/27$363
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/2811:59 pmSEA - ALB
1 stop8h 08mAmerican Airlines
Wed 4/3012:27 pmALB - SEA
1 stop13h 42mAmerican Airlines
Deal found 3/27$375

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 March 28, 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

Sat 4/19

11:30 pm-7:52 am

Nonstop5h 22m

Boston Logan Intl

Fri 4/25

7:00 am-10:13 am

Nonstop6h 13m

$209

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 5/7

6:00 am-8:41 am

2 stops23h 41m

Boston Logan Intl

Mon 5/12

9:46 am-12:10 am

2 stops17h 24m

$220

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 5/7

3:36 pm-11:59 pm

Nonstop5h 23m

Boston Logan Intl

Mon 5/12

9:46 am-12:10 am

2 stops17h 24m

$222

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 5/5

11:30 pm-7:55 am

Nonstop5h 25m

Boston Logan Intl

Tue 5/6

10:00 am-1:10 pm

Nonstop6h 10m

$231

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 5/28

8:00 am-7:20 pm

1 stop8h 20m

Boston Logan Intl

Wed 6/4

6:00 am-11:32 am

1 stop8h 32m

$252

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 5/1

11:35 am-8:08 pm

Nonstop5h 33m

Boston Logan Intl

Fri 5/2

2:45 pm-8:08 pm

1 stop8h 23m

$257

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 5/3

7:35 am-4:07 pm

Nonstop5h 32m

Boston Logan Intl

Wed 5/7

7:25 am-10:42 am

Nonstop6h 17m

$267

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 4/23

1:35 pm-11:59 pm

1 stop7h 24m

Boston Logan Intl

Wed 4/30

1:47 pm-11:09 pm

1 stop12h 22m

$276

SeattleAlbany

SEA - ALB

SEAALB

Seattle/Tacoma Intl

Wed 8/27

11:05 pm-9:01 am

1 stop6h 56m

Albany Intl

Tue 9/2

12:35 pm-8:27 pm

1 stop10h 52m

$347

SeattleAlbany

SEA - ALB

SEAALB

Seattle/Tacoma Intl

Wed 8/27

9:10 pm-7:55 am

1 stop7h 45m

Albany Intl

Tue 9/2

8:45 am-3:20 pm

2 stops9h 35m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 28, 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 March 28, 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 (12 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 March 28, 2025.
To help decide which airline to fly from Seattle to Massachusetts, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 16 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 $115 on Spirit Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $119 and Alaska Airlines from $128 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 EL AL (92%), Qatar Airways (92%) or Delta (91%) 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 $789, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $220 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

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$108Average$457FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$139Average$589FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$277FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$176Average$380FlexibilityNo cancel feeOn-time83%
DeltaCheapest$181Average$415FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$223Average$486FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$237Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$413FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$356Average$466FlexibilityNo cancel feeOn-time63%
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