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Cape Cod and the Islands

$142+ Cheap flights from Seattle (SEA) to Cape Cod and the Islands

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ACK
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from Seattle to Cape Cod and the Islands

Keep the following information in mind while searching for Seattle to Cape Cod and the Islands flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(Delta)

One-way from

$142
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$372
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 Cape Cod and the Islands
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One-way flight from Seattle/Tacoma Intl to Cape Cod and the Islands
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Highest demand for flights based on searches. 26% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Seattle to Cape Cod and the Islands

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

This Delta deal was found by Cheapflights users on 4/30. 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.
lun. 6/911:50 pmSEA - ACK
2 stops13h 15mDelta
lun. 6/163:20 pmACK - SEA
1 stop10h 29mDelta
Deal found 4/30$354
This JetBlue deal was found by Cheapflights users on 4/30. 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. 7/109:50 pmSEA - MVY
1 stop10h 51mJetBlue
lun. 7/1411:20 amMVY - SEA
1 stop12h 13mJetBlue
Deal found 4/30$361
This Delta deal was found by Cheapflights users on 4/30. 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.
vie. 7/119:45 pmSEA - MVY
1 stop12h 48mDelta
mar. 7/152:13 pmMVY - SEA
1 stop11h 35mDelta
Deal found 4/30$397
This American Airlines deal was found by Cheapflights users on 4/30. 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.
vie. 7/1111:32 pmSEA - MVY
2 stops10h 55mAmerican Airlines
mié. 7/1612:15 pmMVY - SEA
2 stops11h 15mAmerican Airlines
Deal found 4/30$401
This JetBlue deal was found by Cheapflights users on 4/30. 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.
sáb. 6/1411:10 pmSEA - ACK
1 stop9h 43mJetBlue
sáb. 6/2112:45 pmACK - SEA
1 stop10h 13mJetBlue
Deal found 4/30$447
This JetBlue deal was found by Cheapflights users on 4/30. 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.
sáb. 6/149:14 pmSEA - PVC
1 stop8h 22mJetBlue
sáb. 6/2112:51 pmPVC - SEA
1 stop12h 02mJetBlue
Deal found 4/30$680
This JetBlue Airways deal was found by Cheapflights users on 4/30. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/311:45 pmSEA - MVY
1 stop8h 00mMultiple Airlines
dom. 10/51:41 pmMVY - SEA
1 stop23h 38mMultiple Airlines
Deal found 4/30$775
This JetBlue Airways deal was found by Cheapflights users on 4/30. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/911:28 amSEA - ACK
1 stop26h 48mMultiple Airlines
lun. 6/1611:41 amACK - SEA
1 stop13h 12mMultiple Airlines
Deal found 4/30$799
This American Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 7/129:46 pmSEA - ACK
2 stops12h 35mAmerican Airlines
dom. 7/204:20 pmACK - SEA
1 stop8h 23mAmerican Airlines
Deal found 4/30$857
This Trip.com deal was found by Cheapflights users on 4/30. 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.
sáb. 6/1411:40 pmSEA - HYA
1 stop16h 05mMultiple Airlines
sáb. 6/216:48 amHYA - SEA
1 stop18h 07mMultiple Airlines
Deal found 4/30$1,108

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Cape Cod and the Islands 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 mayo 1, 2025.
Use the filters below to find and compare flights from Seattle to Cape Cod and the Islands that are best for you.

Fly from

Seattle

Fly to

Cape Cod and the Islands

Route

Depart

Return

Price

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

lun. 6/9

11:50 pm-4:05 pm

2 stops13h 15m

Nantucket Memorial

lun. 6/16

3:20 pm-10:49 pm

1 stop10h 29m

$354

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

jue. 7/10

9:50 pm-11:41 am

1 stop10h 51m

West Tisbury Martha's Vineyard

lun. 7/14

11:20 am-8:33 pm

1 stop12h 13m

$361

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

vie. 7/11

9:45 pm-1:33 pm

1 stop12h 48m

West Tisbury Martha's Vineyard

mar. 7/15

2:13 pm-10:48 pm

1 stop11h 35m

$397

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

vie. 7/11

11:32 pm-1:27 pm

2 stops10h 55m

West Tisbury Martha's Vineyard

mié. 7/16

12:15 pm-8:30 pm

2 stops11h 15m

$401

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

sáb. 6/14

11:10 pm-11:53 am

1 stop9h 43m

Nantucket Memorial

sáb. 6/21

12:45 pm-7:58 pm

1 stop10h 13m

$447

SeattleProvincetown

SEA - PVC

SEAPVC

Seattle/Tacoma Intl

sáb. 6/14

9:14 pm-8:36 am

1 stop8h 22m

Provincetown

sáb. 6/21

12:51 pm-9:53 pm

1 stop12h 02m

$680

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

vie. 10/3

11:45 pm-10:45 am

1 stop8h 00m

West Tisbury Martha's Vineyard

dom. 10/5

1:41 pm-10:19 am

1 stop23h 38m

$775

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

lun. 6/9

11:28 am-5:16 pm

1 stop26h 48m

Nantucket Memorial

lun. 6/16

11:41 am-9:53 pm

1 stop13h 12m

$799

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

sáb. 7/12

9:46 pm-1:21 pm

2 stops12h 35m

Nantucket Memorial

dom. 7/20

4:20 pm-9:43 pm

1 stop8h 23m

$857

SeattleHyannis

SEA - HYA

SEAHYA

Seattle/Tacoma Intl

sáb. 6/14

11:40 pm-6:45 pm

1 stop16h 05m

Hyannis Barnstable

sáb. 6/21

6:48 am-9:55 pm

1 stop18h 07m

$1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 19 results
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Best time to book a flight from Seattle to Cape Cod and the Islands

Have a flexible travel schedule? Discover the best time to fly to Cape Cod and the Islands 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 Cape Cod and the Islands

Rainfall in Cape Cod and the Islands by month

Plan your trip to Cape Cod and the Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cape Cod and the Islands ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Cape Cod and the Islands when rainfall is around 1.6 in.

Temperature in Cape Cod and the Islands by month

Plan your trip to Cape Cod and the Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cape Cod and the Islands, 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 February, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Cape Cod and the Islands

Get insights into the airlines that provide service to Cape Cod and the Islands. 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 Cape Cod and the Islands. Reviews last updated mayo 1, 2025.
Read through reviews of airlines operating flights from Seattle to Cape Cod and the Islands, such as Delta, JetBlue and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cape Cod and the Islands. 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 Cape Cod and the Islands?

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

  • What are the cheapest airlines to fly from Seattle to Cape Cod and the Islands one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $142. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Seattle to Cape Cod and the Islands for a low price.

  • What are the most popular routes from Seattle to Cape Cod and the Islands?

    While some choose either Seattle/Tacoma Intl - Nantucket Memorial or Seattle/Tacoma Intl - Hyannis Barnstable, Seattle/Tacoma Intl - West Tisbury Martha's Vineyard is the most popular route from Seattle to Cape Cod and the Islands.

  • Can I find deals for flights from Seattle to Cape Cod and the Islands that include hotel bookings?

    Yes. In addition to deals on Seattle to Cape Cod and the Islands flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Cape Cod and the Islands?

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

  • Can I find deals for business class flights from Seattle to Cape Cod and the Islands?

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

See more FAQs

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Alternative routes for Seattle to Cape Cod and the Islands

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Boston flights
Portland to Boston flights
Seattle to Hartford flights
Seattle to Albany flights
Spokane to Boston flights
Portland to Hartford flights
Portland to Albany flights
Seattle to West Tisbury flights
Seattle to Nantucket flights
Pasco to Boston flights
Spokane to Albany flights
Seattle to Hyannis flights
Portland to West Tisbury flights
Seattle to Provincetown flights
Pasco to Hartford flights
Walla Walla to Boston flights
Pullman to Boston flights
Spokane to Hartford flights
Bellingham to Boston flights
Portland to Nantucket flights
Yakima to Boston flights
Portland to Provincetown flights
Yakima to Albany flights
Bellingham to Hartford flights
Yakima to Hartford flights
Pullman to Albany flights
Portland to Hyannis flights
Portland to New Bedford flights

Top airline flying from Seattle to Cape Cod and the Islands

Discover the top airline that operate flights from Seattle to Cape Cod and the Islands. 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$578Average$751FlexibilityNo cancel feeOn-time62%

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