$142 Find Cheap Flights from Seattle to Cape Cod and the Islands

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Cape Cod and the Islands departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Cape Cod and the Islands

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Cape Cod and the Islands, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Cape Cod and the Islands, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Booking Insights
Flights Deals

Cheap Flights from Seattle to Cape Cod and the Islands

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Bostonnonstop$200
Boston
Bostonnonstop$200

Book Cheap Seattle to Cape Cod and the Islands Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Cape Cod and the Islands that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Cape Cod and the Islands

Mon, Aug 25 - Fri, Aug 29
Delta Logo
9:45 pm - 2:46 pmSEA-ACK
14h 01m1 stop
Delta Logo
3:26 pm - 10:15 amACK-SEA
21h 49m1 stop
$498Delta
Find Deal
Mon, Aug 25 - Fri, Aug 29
JetBlue Logo
9:14 pm - 10:29 amSEA-ACK
10h 15m1 stop
JetBlue Logo
3:08 pm - 10:05 pmACK-SEA
9h 57m1 stop
$509JetBlue
Find Deal
Mon, Aug 25 - Fri, Aug 29
Delta Logo
9:45 pm - 2:46 pmSEA-ACK
14h 01m1 stop
Delta Logo
4:49 pm - 7:50 pmACK-SEA
30h 01m2 stops
$523Delta
Find Deal
Mon, Aug 25 - Fri, Aug 29
Delta Logo
5:49 pm - 2:46 pmSEA-ACK
17h 57m2 stops
Delta Logo
3:26 pm - 10:15 amACK-SEA
21h 49m1 stop
$553Delta
Find Deal
Sun, Aug 24 - Fri, Aug 29
American Airlines Logo
12:46 am - 3:55 pmSEA-ACK
12h 09m2 stops
American Airlines Logo
4:25 pm - 10:26 pmACK-SEA
9h 01m1 stop
$567American Airlines
Find Deal
Mon, Aug 25 - Fri, Aug 29
Delta Logo
5:49 pm - 2:46 pmSEA-ACK
17h 57m2 stops
Delta Logo
4:49 pm - 7:50 pmACK-SEA
30h 01m2 stops
$578Delta
Find Deal
Mon, Aug 25 - Fri, Aug 29
Delta Logo
11:15 pm - 4:09 pmSEA-ACK
13h 54m2 stops
Delta Logo
3:26 pm - 10:15 amACK-SEA
21h 49m1 stop
$581Delta
Find Deal
Thu, Aug 14 - Fri, Aug 22
American Airlines Logo
10:50 pm - 12:02 pmSEA-MVY
10h 12m1 stop
American Airlines Logo
2:03 pm - 11:41 pmMVY-SEA
12h 38m2 stops
$693American Airlines
Find Deal
Tue, Aug 12 - Sun, Aug 17
 Logo
5:30 pm - 2:10 pmSEA-MVY
17h 40m3 stops
 Logo
8:10 pm - 10:50 pmMVY-SEA
29h 40m3 stops
$1,154
Find Deal
Wed, Aug 13 - Sun, Aug 17
 Logo
6:40 pm - 1:40 pmSEA-MVY
40h 00m3 stops
 Logo
8:10 pm - 10:50 pmMVY-SEA
29h 40m3 stops
$1,256
Find Deal
Booking Insights

KAYAK's insights & trends for Seattle to Cape Cod and the Islands flights

Get data-powered insights and trends into flights from Seattle to Cape Cod and the Islands to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Seattle to Cape Cod and the Islands?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $1,035, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seattle to Cape Cod and the Islands?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Cape Cod and the Islands, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Cape Cod and the Islands is January, when tickets cost $217 (return) on average. On the other hand, the most expensive months are December and August, when the average cost of round-trip tickets is $465 and $456 respectively.

What’s the cheapest day of the week to fly from Seattle to Cape Cod and the Islands?

The average price of all round-trip flights from Seattle to Cape Cod and the Islands clicked on KAYAK for each day over the last 12 months.

When flying from Seattle to Cape Cod and the Islands, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to Seattle, you’ll find the best rates on Wednesdays and the most expensive ones on Sundays.

How far in advance should I book a flight from Seattle to Cape Cod and the Islands?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Cape Cod and the Islands, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Cape Cod and the Islands, you should book around 3 weeks before departure, which saves you about 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.


Good to know

Low seasonFebruary
Cheapest flight$142
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Seattle to Nantucket

FAQs - booking Cape Cod and the Islands flights

  • How does KAYAK find such low prices on flights from Seattle to Cape Cod and the Islands?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Cape Cod and the Islands.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Cape Cod and the Islands?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Cape Cod and the Islands is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Cape Cod and the Islands?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Seattle to Cape Cod and the Islands with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Cape Cod and the Islands?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Cape Cod and the Islands up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Cape Cod and the Islands?

    The cheapest time of day to fly to Cape Cod and the Islands is generally in the evening, when round-trip flights cost $331 on average. Morning departures are around 25% more expensive than evening flights, on average. The most expensive time of day to fly to Cape Cod and the Islands is generally in the morning, which is peak travel time and where the average cost of a ticket is $413.

Everything you need to know for your flight to Cape Cod and the Islands

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.