How popular is this Massachusetts to Seattle flight route?

This flight path from Massachusetts to Seattle/Tacoma Intl was viewed by 51 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 Massachusetts to Seattle one-way?

$120 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and JetBlue, with prices starting from $123 and $124, respectively.

What are the most popular routes from Massachusetts to Seattle?

The most popular route from Massachusetts to Seattle is Boston Logan Intl - Seattle/Tacoma Intl. You may also consider Hartford Bradley Intl - Seattle/Tacoma Intl or Albany Intl - Seattle/Tacoma Intl.

What are the cheapest flights from Massachusetts to Seattle?

While on average a flight from Massachusetts to Seattle is generally $972, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Boston Logan Intl - Seattle/Tacoma Intl), you can expect to pay $237 for that flight.

What are the most reliable airlines from Massachusetts to Seattle?

The top 3 most reliable airlines when flying from Massachusetts to Seattle are LATAM Airlines (100%), Air Tahiti Nui (92%) and Qatar Airways (92%).

What are the most popular airlines that fly from Massachusetts to Seattle?

Before booking your flight from Massachusetts to Seattle check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

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

Users have found that booking a flight from Massachusetts to Seattle at least 16 days early can save you up to 36% on average compared to booking a flight this week. If booking 16 days before your flight isn’t an option for you, users have found flights from Massachusetts to Seattle for as little as $355 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $587 for flights departing within the next 3 days.

What is the cheapest month to fly from Massachusetts to Seattle?

Flights from Massachusetts to Seattle lean towards being more expensive in July. Prices are generally better when you fly from Massachusetts to Seattle in January, with the cheapest ticket starting at $98.

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

Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Massachusetts.

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

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

How can I find direct flights from Massachusetts to Seattle?

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

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

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

$120+ Flights from Massachusetts to Seattle

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Cheap flight deals from Massachusetts to Seattle

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$225 (SmartFares)
One-way from	$120 (Delta)
Popular in	July
Cheapest in	January
Average price	$327
Good round-trip deal	$313 or less
Good one-way deal	$181 or less

Provider with most accurate pricing for Boston Logan Intl-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Boston Logan Intl-Seattle/Tacoma Intl flights.

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From Massachusetts to Seattle/Tacoma Intl

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One-way flight from Massachusetts to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 27% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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Price to beat on a round-trip flight from Massachusetts to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Massachusetts to Seattle/Tacoma Intl.

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Find flight deals from Massachusetts to Seattle

Cheapest flights from Massachusetts to Seattle
Explore the most affordable flight options available from Massachusetts to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Sat 5/246:52 pmBOS - SEA

Nonstop6h 08mAlaska Airlines

Fri 5/303:40 pmSEA - BOS

Nonstop5h 26mAlaska Airlines

Deal found 4/30

$225

Wed 9/107:05 amBOS - SEA

Nonstop6h 40mDelta

Wed 9/173:20 pmSEA - BOS

Nonstop5h 24mDelta

Deal found 5/1

$237

Tue 5/2710:04 amBOS - SEA

2 stops31h 21mSpirit Airlines

Tue 6/33:20 pmSEA - BOS

2 stops22h 04mSpirit Airlines

Deal found 4/29

$239

Sat 5/246:52 pmBOS - SEA

Nonstop6h 08mHawaiian Airlines

Fri 5/303:40 pmSEA - BOS

Nonstop5h 26mHawaiian Airlines

Deal found 4/30

$243

Wed 5/147:10 amBOS - SEA

Nonstop6h 18mJetBlue

Wed 5/2811:38 amSEA - BOS

Nonstop5h 32mJetBlue

Deal found 4/30

$262

Wed 8/275:29 amBOS - SEA

1 stop11h 50mAmerican Airlines

Thu 9/41:29 pmSEA - BOS

1 stop7h 45mAmerican Airlines

Deal found 5/1

$266

Thu 5/294:49 pmBOS - SEA

1 stop10h 08mMultiple Airlines

Mon 6/23:20 pmSEA - BOS

2 stops14h 49mMultiple Airlines

Deal found 5/1

$274

Mon 6/305:30 amBOS - SEA

1 stop9h 20mUnited Airlines

Tue 7/81:00 pmSEA - BOS

1 stop7h 59mUnited Airlines

Deal found 4/30

$319

Wed 7/1611:20 amMVY - SEA

1 stop12h 13mJetBlue

Thu 7/249:50 pmSEA - MVY

1 stop10h 51mJetBlue

Deal found 4/28

$371

Mon 6/236:30 amBOS - SEA

1 stop19h 20mSun Country Air

Sun 6/2911:59 pmSEA - BOS

1 stop7h 38mSun Country Air

Deal found 4/30

$395

Thu 9/181:00 pmALB - SEA

2 stops9h 55mSouthwest

Mon 9/2911:00 pmSEA - ALB

2 stops10h 00mSouthwest

Deal found 4/30

$407

Wed 5/216:00 amALB - SEA

2 stops15h 30mUnited Airlines

Sat 5/2411:50 pmSEA - ALB

2 stops11h 18mUnited Airlines

Deal found 4/30

$417

Best flights from Massachusetts to Seattle
Discover carefully curated flight deals from Massachusetts to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sat 5/246:52 pmBOS - SEA

Nonstop6h 08mAlaska Airlines

Fri 5/303:40 pmSEA - BOS

Nonstop5h 26mAlaska Airlines

Deal found 4/30

$225

Wed 9/107:05 amBOS - SEA

Nonstop6h 40mDelta

Wed 9/173:20 pmSEA - BOS

Nonstop5h 24mDelta

Deal found 5/1

$237

Tue 5/2710:04 amBOS - SEA

2 stops31h 21mSpirit Airlines

Tue 6/33:20 pmSEA - BOS

2 stops22h 04mSpirit Airlines

Deal found 4/29

$239

Sat 5/246:52 pmBOS - SEA

Nonstop6h 08mHawaiian Airlines

Fri 5/303:40 pmSEA - BOS

Nonstop5h 26mHawaiian Airlines

Deal found 4/30

$243

Wed 5/147:10 amBOS - SEA

Nonstop6h 18mJetBlue

Wed 5/2811:38 amSEA - BOS

Nonstop5h 32mJetBlue

Deal found 4/30

$262

Wed 8/275:29 amBOS - SEA

1 stop11h 50mAmerican Airlines

Thu 9/41:29 pmSEA - BOS

1 stop7h 45mAmerican Airlines

Deal found 5/1

$266

Fri 5/307:47 pmBOS - SEA

2 stops21h 38mMultiple Airlines

Mon 6/211:00 pmSEA - BOS

Nonstop5h 20mMultiple Airlines

Deal found 4/29

$278

Mon 6/305:30 amBOS - SEA

1 stop9h 20mUnited Airlines

Tue 7/81:00 pmSEA - BOS

1 stop7h 59mUnited Airlines

Deal found 4/30

$319

Mon 6/166:30 amBOS - SEA

1 stop13h 14mSun Country Air

Wed 6/2511:59 pmSEA - BOS

1 stop20h 34mSun Country Air

Deal found 4/30

$370

Wed 7/234:40 pmBOS - SEA

1 stop10h 35mSouthwest

Tue 8/1211:00 pmSEA - BOS

2 stops10h 15mSouthwest

Deal found 4/29

$374

Wed 7/1611:20 amMVY - SEA

1 stop12h 13mJetBlue

Thu 7/249:50 pmSEA - MVY

1 stop10h 51mJetBlue

Deal found 4/28

$371

Thu 9/181:00 pmALB - SEA

2 stops9h 55mSouthwest

Mon 9/2911:00 pmSEA - ALB

2 stops10h 00mSouthwest

Deal found 4/30

$407

Last-minute flights from Massachusetts to Seattle
Discover last-minute flight deals from Massachusetts to Seattle. Data last updated May 1, 2025 and is based on user searches.

Tue 5/64:19 pmBOS - SEA

1 stop8h 31mAmerican Airlines

Fri 5/91:10 amSEA - BOS

1 stop9h 02mAmerican Airlines

Deal found 4/30

$317

Tue 5/67:00 pmBOS - SEA

2 stops32h 10mMultiple Airlines

Tue 7/16:24 pmSEA - BOS

2 stops18h 21mMultiple Airlines

Deal found 4/29

$399

Tue 5/68:30 amBOS - SEA

3 stops32h 55mSpirit Airlines

Sat 5/106:00 amSEA - BOS

2 stops24h 09mSpirit Airlines

Deal found 4/29

$404

Tue 5/63:00 pmBDL - SEA

1 stop8h 50mDelta

Sat 5/2411:19 amSEA - BDL

1 stop9h 40mDelta

Deal found 4/30

$580

Thu 5/86:00 amBDL - SEA

1 stop12h 42mAmerican Airlines

Thu 5/156:20 amSEA - BDL

1 stop9h 13mAmerican Airlines

Deal found 4/29

$587

Fri 5/97:25 amBOS - SEA

Nonstop6h 20mDelta

Wed 5/143:37 pmSEA - BOS

Nonstop5h 22mDelta

Deal found 4/30

$272

Fri 5/97:00 amBOS - SEA

Nonstop6h 13mAlaska Airlines

Tue 5/202:00 pmSEA - BOS

1 stop13h 10mAlaska Airlines

Deal found 4/30

$282

Fri 5/97:00 amBOS - SEA

Nonstop6h 13mHawaiian Airlines

Sun 5/113:49 pmSEA - BOS

Nonstop5h 23mHawaiian Airlines

Deal found 4/30

$321

Fri 5/910:35 amBOS - SEA

2 stops15h 50mSouthwest

Tue 5/207:35 amSEA - BOS

2 stops11h 30mSouthwest

Deal found 4/30

$529

Fri 5/97:25 amBOS - SEA

Nonstop6h 20mDelta

Sun 5/187:25 amSEA - BOS

Nonstop5h 35mDelta

Deal found 4/29

$272

Sat 5/106:00 amBOS - SEA

1 stop8h 25mUnited Airlines

Sat 5/1712:55 pmSEA - BOS

1 stop8h 04mUnited Airlines

Deal found 4/30

$287

Sat 5/105:00 amALB - SEA

1 stop16h 22mAmerican Airlines

Fri 5/161:30 pmSEA - ALB

1 stop8h 28mAmerican Airlines

Deal found 4/30

$505

One-way flights from Massachusetts to Seattle
Search for one-way flight options from Massachusetts to Seattle. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 7/152:13 pmMVY - SEA

1 stop8h 56mDelta

Deal found 4/30

$120

Mon 6/23:49 pmBOS - SEA

3 stops35h 21mSpirit Airlines

Deal found 4/30

$123

Tue 6/37:00 amBOS - SEA

Nonstop6h 18mJetBlue

Deal found 4/30

$124

Wed 6/46:00 amBOS - SEA

1 stop8h 32mUnited Airlines

Deal found 4/30

$129

Fri 6/67:25 amBOS - SEA

Nonstop6h 20mDelta

Deal found 4/30

$134

Sat 5/247:59 pmBOS - SEA

1 stop16h 10mAlaska Airlines

Deal found 4/30

$139

Tue 8/125:29 amBOS - SEA

1 stop11h 50mAmerican Airlines

Deal found 5/1

$143

Fri 5/3012:58 pmBDL - SEA

1 stop12h 53mSun Country Air

Deal found 4/30

$145

Tue 5/276:10 amALB - SEA

1 stop8h 22mUnited Airlines

Deal found 4/29

$154

Fri 5/164:49 pmBOS - SEA

1 stop10h 08mHawaiian Airlines

Deal found 4/30

$158

Sun 5/118:14 pmBDL - SEA

2 stops54h 35mFrontier

Deal found 4/28

$165

Fri 6/133:54 pmBDL - SEA

2 stops26h 09mSpirit Airlines

Deal found 4/30

$172

Cheapflights Fare Finder

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

Sat 5/24

6:52 pm-10:00 pm

Nonstop6h 08m

Seattle/Tacoma Intl

Fri 5/30

3:40 pm-12:06 am

Nonstop5h 26m

$225

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 9/10

7:05 am-10:45 am

Nonstop6h 40m

Seattle/Tacoma Intl

Wed 9/17

3:20 pm-11:44 pm

Nonstop5h 24m

$237

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 5/27

10:04 am-2:25 pm

2 stops31h 21m

Seattle/Tacoma Intl

Tue 6/3

3:20 pm-4:24 pm

2 stops22h 04m

$239

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 5/24

6:52 pm-10:00 pm

Nonstop6h 08m

Seattle/Tacoma Intl

Fri 5/30

3:40 pm-12:06 am

Nonstop5h 26m

$243

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 5/14

7:10 am-10:28 am

Nonstop6h 18m

Seattle/Tacoma Intl

Wed 5/28

11:38 am-8:10 pm

Nonstop5h 32m

$262

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 8/27

5:29 am-2:19 pm

1 stop11h 50m

Seattle/Tacoma Intl

Thu 9/4

1:29 pm-12:14 am

1 stop7h 45m

$266

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 5/29

4:49 pm-11:57 pm

1 stop10h 08m

Seattle/Tacoma Intl

Mon 6/2

3:20 pm-9:09 am

2 stops14h 49m

$274

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Mon 6/30

5:30 am-11:50 am

1 stop9h 20m

Seattle/Tacoma Intl

Tue 7/8

1:00 pm-11:59 pm

1 stop7h 59m

$319

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Mon 6/16

6:30 am-4:44 pm

1 stop13h 14m

Seattle/Tacoma Intl

Wed 6/25

11:59 pm-11:33 pm

1 stop20h 34m

$370

West TisburySeattle

MVY - SEA

MVYSEA

West Tisbury Martha's Vineyard

Wed 7/16

11:20 am-8:33 pm

1 stop12h 13m

Seattle/Tacoma Intl

Thu 7/24

9:50 pm-11:41 am

1 stop10h 51m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 50 results

...

Best time to book a flight from Massachusetts to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Massachusetts 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 Massachusetts to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Massachusetts to Seattle (average of $238). Flying from Massachusetts to Seattle in July is currently the most expensive (average of $405). 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 MA to SEA?

When flying from Massachusetts to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Massachusetts to Seattle

The most flights from USMA to SEA are scheduled on a Thursday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Massachusetts to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,972 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,294 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,409 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to Seattle from Massachusetts?
Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Massachusetts.
How popular is this Massachusetts to Seattle flight route?
This flight path from Massachusetts to Seattle/Tacoma Intl was viewed by 51 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 Massachusetts to Seattle one-way?
$120 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and JetBlue, with prices starting from $123 and $124, respectively.
What are the most popular routes from Massachusetts to Seattle?
The most popular route from Massachusetts to Seattle is Boston Logan Intl - Seattle/Tacoma Intl. You may also consider Hartford Bradley Intl - Seattle/Tacoma Intl or Albany Intl - Seattle/Tacoma Intl.
What are the most reliable airlines from Massachusetts to Seattle?
The top 3 most reliable airlines when flying from Massachusetts to Seattle are LATAM Airlines (100%), Air Tahiti Nui (92%) and Qatar Airways (92%).
What are the cheapest flights from Massachusetts to Seattle?
While on average a flight from Massachusetts to Seattle is generally $972, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Boston Logan Intl - Seattle/Tacoma Intl), you can expect to pay $237 for that flight.
Can I find deals for flights from Massachusetts to Seattle that include hotel bookings?
Yes. In addition to deals on Massachusetts to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Massachusetts to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Seattle.
Can I find deals for business class flights from Massachusetts to Seattle?
Yes. Cheapflights offers flight deals from Massachusetts to Seattle 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 Massachusetts to Seattle?
Currently, January is the cheapest month in which you can book a flight from Massachusetts to Seattle (average of $238). Flying from Massachusetts to Seattle in July is currently the most expensive (average of $405). 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.

See more FAQs

SeaTac

Tukwila

Tacoma

Lakewood

Renton

Ocean Shores

Lacey

Leavenworth

Federal Way

Olympia

Shoreline

Cle Elum

Centralia

Kent

Lynnwood

Aberdeen

Shelton

Silverdale

Redmond

Issaquah

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Massachusetts to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$133	Average$356	FlexibilityNo cancel fee	On-time85%
JetBlue	Cheapest$147	Average$391	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$174	Average$376	FlexibilityNo cancel fee	On-time83%
Delta	Cheapest$187	Average$400	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$192	Average$285	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$216	Average$447	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$224	Average$451	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$246	Average$393	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$357	Average$451	FlexibilityNo cancel fee	On-time63%

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$120+ Cheap flights from Massachusetts to Seattle (SEA)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Massachusetts to Seattle with Cheapflights

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Cheap flight deals from Massachusetts to Seattle

Keep the following information in mind while searching for Massachusetts to Seattle flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Massachusetts to Seattle

Cheapest flights from Massachusetts to SeattleExplore the most affordable flight options available from Massachusetts to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Massachusetts to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Massachusetts to Seattle that are best for you.

Best time to book a flight from Massachusetts to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Massachusetts with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Massachusetts to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Weekly flight availability from Massachusetts to Seattle

Explore weekly flight availability from Massachusetts to Seattle. 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 May 1, 2025.

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated May 1, 2025.

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Massachusetts to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Seattle. 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 into for flights to Seattle from Massachusetts?

How popular is this Massachusetts to Seattle flight route?

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

What are the most popular routes from Massachusetts to Seattle?

What are the most reliable airlines from Massachusetts to Seattle?

What are the cheapest flights from Massachusetts to Seattle?

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

How can I find direct flights from Massachusetts to Seattle?

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

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

Traveling to a place near Massachusetts?

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Alternative routes for Massachusetts to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Massachusetts to Seattle

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Cheapest flights from Massachusetts to Seattle
Explore the most affordable flight options available from Massachusetts to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.