$362 Cheap Flights from Seattle (SEA) to Rockland (RKD)

View $362 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Rockland, ME (RKD-Knox County Regional)

Cheap Flights from Seattle to Rockland (SEA-RKD)

Prices were available within the past 7 days and start at $362 for one-way flights and $589 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 10 - Thu, Nov 13
SEA
Seattle
RKD
Rockland
$589 Roundtrip, found 6 days ago
$589
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 10 from Seattle to Rockland, returning Thu, Nov 13, priced at $589 found 6 days ago
United
Mon, Nov 10 - Wed, Nov 12
SEA
Seattle
RKD
Rockland
$599 Roundtrip, found 6 days ago
$599
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 10 from Seattle to Rockland, returning Wed, Nov 12, priced at $599 found 6 days ago
United
Sun, Nov 9 - Thu, Nov 13
SEA
Seattle
RKD
Rockland
$613 Roundtrip, found 5 days ago
$613
Roundtrip
found 5 days ago
Select United flight, departing Sun, Nov 9 from Seattle to Rockland, returning Thu, Nov 13, priced at $613 found 5 days ago
United
Wed, Nov 5 - Wed, Nov 12
SEA
Seattle
RKD
Rockland
$633 Roundtrip, found 5 days ago
$633
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Seattle to Rockland, returning Wed, Nov 12, priced at $633 found 5 days ago
Alaska Airlines
Thu, Dec 4 - Mon, Dec 8
SEA
Seattle
RKD
Rockland
$639 Roundtrip, found 2 days ago
$639
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Seattle to Rockland, returning Mon, Dec 8, priced at $639 found 2 days ago
Delta
Sun, Nov 9 - Mon, Nov 10
SEA
Seattle
RKD
Rockland
$645 Roundtrip, found 6 days ago
$645
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Nov 9 from Seattle to Rockland, returning Mon, Nov 10, priced at $645 found 6 days ago
Alaska Airlines
Thu, Dec 4 - Mon, Dec 8
SEA
Seattle
RKD
Rockland
$649 Roundtrip, found 2 days ago
$649
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Seattle to Rockland, returning Mon, Dec 8, priced at $649 found 2 days ago
United
Wed, Nov 5 - Mon, Nov 10
SEA
Seattle
RKD
Rockland
$653 Roundtrip, found 5 days ago
$653
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Seattle to Rockland, returning Mon, Nov 10, priced at $653 found 5 days ago
Hawaiian Airlines
Sun, Nov 9 - Tue, Nov 11
SEA
Seattle
RKD
Rockland
$654 Roundtrip, found 5 days ago
$654
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sun, Nov 9 from Seattle to Rockland, returning Tue, Nov 11, priced at $654 found 5 days ago
JetBlue Airways
Wed, May 20 - Sat, Sep 26
SEA
Seattle
RKD
Rockland
$887 Roundtrip, found 2 days ago
$887
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, May 20 from Seattle to Rockland, returning Sat, Sep 26, priced at $887 found 2 days ago

Alternative airports near Rockland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Knox County Regional RKD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $919
RKD
Knox County Regional
CheapestClosest
Average driving time to city center6 min
Flights from $919

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD) cost?
Secure a cheap one-way flight from $362 or cheap return flight from $589 from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD)?
November is the least expensive month to fly from SEA to RKD. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD)?
To find the cheapest airline that'll fly you from SEA to RKD, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD)?
There aren't any daily nonstop flights available from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SEA to RKD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD) last-minute?
Holding off until right before your break to book your flight from SEA to RKD often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a SEA to RKD flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to RKD flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Knox County Regional Airport (RKD)?
If you reserved your SEA to RKD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Knox County Regional
Roundtrip price
$589
Distance
2525 mi

Book with confidence

Seattle to Rockland Flights

The cheapest times to fly from Seattle to Rockland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Rockland are during the month of November. You can find some of the cheapest flights from Seattle to Rockland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Rockland

Sunday is one of the best days to book for cheap flights from Seattle to Rockland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Rockland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Rockland in 2025. You can also book with separate airlines for your outbound and return journeys, from $362 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Rockland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Rockland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Rockland Flights

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*Available to One Key members.