A railway track extending into a dense forest with a mountain in the background.

Mason County Flights - Book Cheap Flights to Mason County

View RM403 flight on Wed, 19 Aug 2026Opens in a new window

Popular airlines to Mason County

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Mason County

Prices were available within the past 7 days and start at RM403 for one-way flights and RM1,578 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 5 Aug - Thu, 13 Aug
BWI
Baltimore
SEA
Seattle
RM1,578 Return, found 6 days ago
RM1,578
Return
found 6 days ago
Select Delta flight, departing Wed, 5 Aug from Baltimore to Seattle, returning Thu, 13 Aug, priced at RM1,578 found 6 days ago
Delta
Mon, 7 Sept - Sun, 20 Sept
BWI
Baltimore
SEA
Seattle
RM1,783 Return, found 1 day ago
RM1,783
Return
found 1 day ago
Select Delta flight, departing Mon, 7 Sept from Baltimore to Seattle, returning Sun, 20 Sept, priced at RM1,783 found 1 day ago
United
Wed, 5 Aug - Thu, 13 Aug
BWI
Baltimore
SEA
Seattle
RM1,911 Return, found 6 days ago
RM1,911
Return
found 6 days ago
Select United flight, departing Wed, 5 Aug from Baltimore to Seattle, returning Thu, 13 Aug, priced at RM1,911 found 6 days ago
American Airlines
Wed, 5 Aug - Thu, 13 Aug
BWI
Baltimore
SEA
Seattle
RM2,176 Return, found 6 days ago
RM2,176
Return
found 6 days ago
Select American Airlines flight, departing Wed, 5 Aug from Baltimore to Seattle, returning Thu, 13 Aug, priced at RM2,176 found 6 days ago
United
Thu, 20 Aug - Wed, 2 Sept
SIN
Singapore
SEA
Seattle
RM3,293 Return, found 1 day ago
RM3,293
Return
found 1 day ago
Select United flight, departing Thu, 20 Aug from Singapore to Seattle, returning Wed, 2 Sept, priced at RM3,293 found 1 day ago
Delta
Fri, 21 Aug - Tue, 25 Aug
BKK
Bangkok
SEA
Seattle
RM3,297 Return, found 2 days ago
RM3,297
Return
found 2 days ago
Select Delta flight, departing Fri, 21 Aug from Bangkok to Seattle, returning Tue, 25 Aug, priced at RM3,297 found 2 days ago
Air Canada
Sat, 30 Jan - Sun, 7 Feb
SIN
Singapore
SEA
Seattle
RM3,300 Return, found 4 hours ago
RM3,300
Return
found 4 hours ago
Select Air Canada flight, departing Sat, 30 Jan from Singapore to Seattle, returning Sun, 7 Feb, priced at RM3,300 found 4 hours ago
Korean Air
Mon, 24 Aug - Sat, 19 Sept
BKK
Bangkok
SEA
Seattle
RM3,313 Return, found 2 days ago
RM3,313
Return
found 2 days ago
Select Korean Air flight, departing Mon, 24 Aug from Bangkok to Seattle, returning Sat, 19 Sept, priced at RM3,313 found 2 days ago
STARLUX Airlines
Sat, 27 Feb - Mon, 8 Mar
BKK
Bangkok
SEA
Seattle
RM3,444 Return, found 3 hours ago
RM3,444
Return
found 3 hours ago
Select STARLUX Airlines flight, departing Sat, 27 Feb from Bangkok to Seattle, returning Mon, 8 Mar, priced at RM3,444 found 3 hours ago
Cathay Pacific
Sun, 11 Oct - Mon, 19 Oct
BKK
Bangkok
SEA
Seattle
RM3,547 Return, found 4 hours ago
RM3,547
Return
found 4 hours ago
Select Cathay Pacific flight, departing Sun, 11 Oct from Bangkok to Seattle, returning Mon, 19 Oct, priced at RM3,547 found 4 hours ago

Trending flights to Mason County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Tue, 15 Dec - Tue, 5 Jan
KUL
Kuala Lumpur
SEA
Seattle
RM4,088 Return, found 7 hours ago
RM4,088
Return
found 7 hours ago
Select Qatar Airways flight, departing Tue, 15 Dec from Kuala Lumpur to Seattle, returning Tue, 5 Jan, priced at RM4,088 found 7 hours ago

Frequently asked questions

How do I find cheap flights to Mason County that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Firstly, enter your travel details and click "Search." Next step? Check "No change fee" just below the "Flexible change policies" filter on the top left of your screen. Step 3. Grab your flexible and cheap ticket to Mason County.
Which airlines fly to Mason County?
When you're ready to reserve your seat to or near Mason County, these top airlines look forward to welcoming you aboard:

  • Alaska Airlines - 8,781 flights to or near Mason County each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 4,186 flights to or near Mason County each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 828 flights to or near Mason County each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to Mason County?
Book well ahead of time, travel on a cheaper day, avoid peak travel periods — there's no shortage of ways! Another one is to use Expedia's "flexible dates" function. Find your Mason County flight, then check out the cheapest prices for nearby dates. In the last seven days, the best price for a flight to Mason County was RM1,578.
How much is a flight to Mason County?
If you were journeying one way from Baltimore (BWI), you could've nabbed a low-cost fare for just RM403 in the last seven days. Round-trip flights to Mason County ranged from RM1,578 to RM4,088 over the same period.
What are the most popular airports to fly into in Mason County?
Mason County's primary gateway is Seattle - Tacoma Intl. Airport (SEA). Get your next awesome journey underway by securing an airfare on one of the 15,456 flights per month to this destination.
How much is a plane ticket to Mason County?
In the last seven days, journeys to Mason County varied between RM1,578 and RM4,088. Prices generally depend on the time of departure, cabin class, airline and when the fare is booked.
What is the best time to go to Mason County?
Shelton, Mason County's most populated city, is a superb destination to tour around at anytime. Not a fan of chilly weather? Then head here from June 20 onward in summer, when temperatures fluctuate from 10ºC to 24ºC. March, September and October is when Shelton lures the biggest crowds.
What months are the cheapest to book a flight to Mason County?
Reserve your ticket in February for bargain flight deals to Mason County. The festive month of December is often the most expensive time to buy an airfare.

Book with confidence

About Mason County

Expedia offers flights to Mason County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Mason County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Mason County
*Available to Expedia members.