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Falmouth

$99+ Cheap flights from Seattle (SEA) to Falmouth, MA, MA

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
ene. 27 — feb. 31
lun. 1/27
lun. 2/3
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Falmouth are usually found in January or February, booked 38 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Seattle to Falmouth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Falmouth (FM5). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 22, 2025.

Round-trip from

$197
(Delta)

One-way from

$99
(Delta)

Popular in

July

Cheapest in

January

Average price

$217
From Seattle/Tacoma Intl to Falmouth
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One-way flight from Seattle/Tacoma Intl to Falmouth
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Highest demand for flights based on searches. 26% potential increase in price ($137 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 January 2025
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Find flight deals from Seattle to Falmouth

Cheapest flights from Seattle to Falmouth
Explore the most affordable flight options available from Seattle to Falmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 22, 2025.

This Delta deal was found by Cheapflights users on 1/21. 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.
jue. 2/610:29 pmSEA - BOS
Nonstop5h 26mDelta
mié. 2/127:10 amBOS - SEA
Nonstop6h 35mDelta
Deal found 1/21$197
This JetBlue deal was found by Cheapflights users on 1/21. 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.
jue. 2/63:20 pmSEA - BOS
Nonstop5h 10mJetBlue
mié. 2/1210:45 amBOS - SEA
Nonstop6h 25mJetBlue
Deal found 1/21$199
This Orbitz deal was found by Cheapflights users on 1/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/263:45 pmSEA - BOS
Nonstop5h 14mMultiple Airlines
sáb. 3/16:00 amBOS - SEA
2 stops21h 25mMultiple Airlines
Deal found 1/21$201
This Flightnetwork deal was found by Cheapflights users on 1/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/15:15 amSEA - BOS
2 stops14h 08mSpirit Airlines
mié. 3/121:59 pmBOS - SEA
2 stops24h 47mSpirit Airlines
Deal found 1/22$203
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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.
jue. 2/68:59 pmSEA - BOS
1 stop15h 30mAlaska Airlines
dom. 2/97:00 amBOS - SEA
Nonstop6h 38mAlaska Airlines
Deal found 1/22$207
This American Airlines deal was found by Cheapflights users on 1/22. 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.
jue. 2/65:45 pmSEA - BOS
1 stop8h 44mAmerican Airlines
mié. 2/126:00 amBOS - SEA
1 stop9h 42mAmerican Airlines
Deal found 1/22$218
This United Airlines deal was found by Cheapflights users on 1/21. 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.
mié. 1/2912:35 pmSEA - BOS
1 stop8h 02mUnited Airlines
sáb. 2/12:00 pmBOS - SEA
1 stop11h 00mUnited Airlines
Deal found 1/21$257
This Southwest deal was found by Cheapflights users on 1/20. 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.
jue. 2/139:05 amSEA - BOS
1 stop6h 55mSouthwest
mar. 2/187:20 amBOS - SEA
2 stops13h 50mSouthwest
Deal found 1/20$322
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
dom. 4/206:31 pmSEA - BOS
1 stop13h 04mSun Country Air
lun. 4/2811:31 amBOS - SEA
1 stop8h 28mSun Country Air
Deal found 1/20$329

Find flights from Seattle to Falmouth within your budget

Customize your flight search to find flights from Seattle to Falmouth 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 enero 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

jue. 2/6

7:30 am-3:59 pm

Nonstop5h 29m

Boston Logan Intl

mié. 2/12

7:10 am-10:45 am

Nonstop6h 35m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

jue. 2/6

3:20 pm-11:30 pm

Nonstop5h 10m

Boston Logan Intl

mié. 2/12

10:45 am-2:10 pm

Nonstop6h 25m

$199

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

mié. 2/26

3:45 pm-11:59 pm

Nonstop5h 14m

Boston Logan Intl

sáb. 3/1

6:00 am-12:25 am

2 stops21h 25m

$201

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

sáb. 3/1

5:15 am-10:23 pm

2 stops14h 08m

Boston Logan Intl

mié. 3/12

1:59 pm-11:46 am

2 stops24h 47m

$203

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

jue. 2/6

8:59 pm-3:29 pm

1 stop15h 30m

Boston Logan Intl

dom. 2/9

7:00 am-10:38 am

Nonstop6h 38m

$207

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

lun. 2/3

10:33 am-11:33 pm

1 stop10h 00m

Boston Logan Intl

dom. 2/9

6:07 pm-1:06 am

1 stop9h 59m

$239

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

vie. 3/7

11:59 pm-10:29 am

1 stop7h 30m

Boston Logan Intl

lun. 3/10

8:00 am-3:54 pm

1 stop10h 54m

$257

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

jue. 2/13

9:05 am-7:00 pm

1 stop6h 55m

Boston Logan Intl

mar. 2/18

7:20 am-6:10 pm

2 stops13h 50m

$322

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

dom. 4/20

6:31 pm-10:35 am

1 stop13h 04m

Boston Logan Intl

lun. 4/28

11:31 am-4:59 pm

1 stop8h 28m

$329

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

sáb. 2/15

11:48 pm-8:03 am

Nonstop5h 15m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 results
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Best time to book a flight from Seattle to Falmouth

Have a flexible travel schedule? Discover the best time to fly to Falmouth 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.

Travel insights for flights from Seattle to Falmouth

Get recent, data-driven insights about flights from Seattle to Falmouth including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Falmouth?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Falmouth. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Falmouth, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Falmouth (average of $218). Flying from Seattle to Falmouth 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 FM5?

Find hourly flight availability from Seattle to Falmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 22, 2025.

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

What is the cheapest day to fly from Seattle to Falmouth?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Falmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Falmouth flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Falmouth

Explore weekly flight availability from Seattle to Falmouth. 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 enero 22, 2025.

The most flights from SEA to FM5 are scheduled on a Monday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Falmouth by month

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

In terms of precipitation, rainfall in Falmouth 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 Falmouth when rainfall is around 3.1 in.

Temperature in Falmouth by month

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

If weather is an important factor for your trip to Falmouth, 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 Falmouth

Get insights into the airlines that provide service to Falmouth. 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 Falmouth. Reviews last updated enero 22, 2025.
See what other customers who have flown with Spirit Airlines, Alaska Airlines and United Airlines from Seattle to Falmouth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,654 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,654 reviews
Southwest
8.1
Very good
4,654 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,707 reviews
Southwest
8.1
Very good
4,654 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,512 reviews
Southwest
8.1
Very good
4,654 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,191 reviews
Southwest
8.1
Very good
4,654 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,975 reviews
Southwest
8.1
Very good
4,654 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Falmouth. 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 Falmouth?

    For a flight from Seattle to Falmouth, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 16 outbound flights to Falmouth per day. 9 airlines have flights to Falmouth from Seattle/Tacoma Intl on a regular basis.

  • How popular is this Seattle to Falmouth flight route?

    The Seattle/Tacoma Intl to Falmouth flight path was viewed by 32 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 Falmouth one-way?

    One-way options have recently been found by users for as low as $99 on Delta. Other airlines that offer cheap prices include Spirit Airlines from $103 and American Airlines from $109 one-way.

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

    Consider KLM (100%), EL AL (96%) or Condor (91%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Falmouth.

  • What are the cheapest flights from Seattle to Falmouth?

    Looking for the cheapest flight from Seattle to Falmouth? While on average our users pay $793, our data indicates the cheapest price to be $98. The most popular route (Seattle/Tacoma Intl - Boston Logan Intl), is priced around $197.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Falmouth 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 Falmouth?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Falmouth (average of $218). Flying from Seattle to Falmouth 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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Top 8 airlines flying from Seattle to Falmouth

Discover the top 8 airlines that operate flights from Seattle to Falmouth. 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 enero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$135Average$589FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$260FlexibilityNo cancel feeOn-time65%
DeltaCheapest$176Average$414FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$176Average$380FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$213Average$472FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$441FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$417FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$416Average$541FlexibilityNo cancel feeOn-time63%
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