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Cape Cod and the Islands

$163+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ACK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$321
(American Airlines)

One-way from

$163
(JetBlue)

Popular in

August

Cheapest in

January

Average price

$458
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. 17% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 8/1911:30 pmSEA - ACK
2 stops10h 41mAmerican Airlines
Tue 8/261:41 pmACK - SEA
2 stops12h 59mAmerican Airlines
Deal found 6/12$251
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/1411:30 pmSEA - MVY
2 stops11h 03mAmerican Airlines
Fri 8/222:03 pmMVY - SEA
2 stops12h 37mAmerican Airlines
Deal found 6/11$321
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/1312:45 amSEA - HYA
2 stops9h 28mAmerican Airlines
Tue 8/1912:10 pmHYA - SEA
2 stops14h 30mAmerican Airlines
Deal found 6/12$337
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Tue 7/159:13 pmSEA - ACK
1 stop10h 16mJetBlue
Mon 7/213:08 pmACK - SEA
1 stop9h 56mJetBlue
Deal found 6/10$349
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 8/1911:55 pmSEA - ACK
2 stops11h 51mDelta
Tue 8/263:26 pmACK - SEA
1 stop10h 49mDelta
Deal found 6/12$379
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/197:34 pmSEA - ACK
2 stops11h 45mUnited Airlines
Tue 8/2611:00 amACK - SEA
3 stops14h 52mUnited Airlines
Deal found 6/12$559
This JetBlue deal was found by Cheapflights users on 6/11. 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 7/1111:20 pmSEA - MVY
1 stop8h 16mJetBlue
Mon 7/1411:23 amMVY - SEA
1 stop11h 35mJetBlue
Deal found 6/11$614
This JetBlue Airways deal was found by Cheapflights users on 6/12. 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.
Fri 9/511:30 amSEA - HYA
1 stop27h 08mMultiple Airlines
Tue 9/910:16 amHYA - SEA
1 stop14h 54mMultiple Airlines
Deal found 6/12$667
This JetBlue Airways deal was found by Cheapflights users on 6/10. 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.
Tue 9/911:40 pmSEA - ACK
1 stop10h 35mMultiple Airlines
Sun 9/1412:45 pmACK - SEA
1 stop24h 34mMultiple Airlines
Deal found 6/10$725
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Wed 6/2511:59 pmSEA - PVC
2 stops16h 57mMultiple Airlines
Sun 6/296:45 amPVC - SEA
3 stops35h 18mMultiple Airlines
Deal found 6/10$865
This JetBlue Airways deal was found by Cheapflights users on 6/11. 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.
Thu 6/269:14 pmSEA - MVY
1 stop9h 17mMultiple Airlines
Mon 6/304:50 pmMVY - SEA
1 stop20h 30mMultiple Airlines
Deal found 6/11$869
This JetBlue deal was found by Cheapflights users on 6/11. 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 6/279:14 pmSEA - PVC
1 stop9h 33mJetBlue
Mon 6/304:46 pmPVC - SEA
1 stop8h 07mJetBlue
Deal found 6/11$972

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 June 12, 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

Tue 8/19

11:30 pm-1:11 pm

2 stops10h 41m

Nantucket Memorial

Tue 8/26

1:41 pm-11:40 pm

2 stops12h 59m

$251

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

Thu 8/14

11:30 pm-1:33 pm

2 stops11h 03m

West Tisbury Martha's Vineyard

Fri 8/22

2:03 pm-11:40 pm

2 stops12h 37m

$321

SeattleHyannis

SEA - HYA

SEAHYA

Seattle/Tacoma Intl

Wed 8/13

12:45 am-1:13 pm

2 stops9h 28m

Hyannis Barnstable

Tue 8/19

12:10 pm-11:40 pm

2 stops14h 30m

$337

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Tue 7/15

9:13 pm-10:29 am

1 stop10h 16m

Nantucket Memorial

Mon 7/21

3:08 pm-10:04 pm

1 stop9h 56m

$349

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Tue 8/19

11:55 pm-2:46 pm

2 stops11h 51m

Nantucket Memorial

Tue 8/26

3:26 pm-11:15 pm

1 stop10h 49m

$379

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Tue 8/19

7:34 pm-10:19 am

2 stops11h 45m

Nantucket Memorial

Tue 8/26

11:00 am-10:52 pm

3 stops14h 52m

$559

SeattleWest Tisbury

SEA - MVY

SEAMVY

Seattle/Tacoma Intl

Fri 7/11

11:20 pm-10:36 am

1 stop8h 16m

West Tisbury Martha's Vineyard

Mon 7/14

11:23 am-7:58 pm

1 stop11h 35m

$614

SeattleHyannis

SEA - HYA

SEAHYA

Seattle/Tacoma Intl

Fri 9/5

11:30 am-5:38 pm

1 stop27h 08m

Hyannis Barnstable

Tue 9/9

10:16 am-10:10 pm

1 stop14h 54m

$667

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Tue 9/9

11:40 pm-1:15 pm

1 stop10h 35m

Nantucket Memorial

Sun 9/14

12:45 pm-10:19 am

1 stop24h 34m

$725

SeattleProvincetown

SEA - PVC

SEAPVC

Seattle/Tacoma Intl

Wed 6/25

11:59 pm-7:56 pm

2 stops16h 57m

Provincetown

Sun 6/29

6:45 am-3:03 pm

3 stops35h 18m

$865

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 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 June 12, 2025.
Read through reviews of airlines operating flights from Seattle to Cape Cod and the Islands, such as Delta, United Airlines and JetBlue. 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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
2,925 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 $163. However, be on the lookout for offers from American Airlines and United Airlines, 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 - West Tisbury Martha's Vineyard or Seattle/Tacoma Intl - Hyannis Barnstable, Seattle/Tacoma Intl - Nantucket Memorial 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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$465Average$709FlexibilityNo cancel feeOn-time62%

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