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

Cheap Flights to Mason County from $112

View $112 flight on Tue, Oct 13, 2026Opens in a new window

Popular airlines to Mason County

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier 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 OneKeyCash
    Learn about One Key

How much is the cheapest flight to Mason County?

Prices were available within the past 7 days and start at $112 for one-way flights and $176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Sat, Oct 24 - Sat, Oct 31
PDX
Portland
SEA
Seattle
$176 Roundtrip, found 18 hours ago
$176
Roundtrip
found 18 hours ago
Select Bargain Flight flight, departing Sat, Oct 24 from Portland to Seattle, returning Sat, Oct 31, priced at $176 found 18 hours ago
Alaska Airlines
Sat, Oct 24 - Sat, Nov 7
PDX
Portland
PAE
Seattle
$177 Roundtrip, found 5 hours ago
$177
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Oct 24 from Portland to Seattle, returning Sat, Nov 7, priced at $177 found 5 hours ago
Delta
Sat, Nov 14 - Tue, Nov 17
PDX
Portland
SEA
Seattle
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 14 from Portland to Seattle, returning Tue, Nov 17, priced at $177 found 1 day ago
Alaska Airlines
Wed, Nov 4 - Sat, Nov 14
PDX
Portland
SEA
Seattle
$178 Roundtrip, found 6 days ago
$178
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Nov 4 from Portland to Seattle, returning Sat, Nov 14, priced at $178 found 6 days ago
Alaska Airlines
Sat, Nov 7 - Sat, Nov 14
PDX
Portland
SEA
Seattle
$181 Roundtrip, found 14 hours ago
$181
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Portland to Seattle, returning Sat, Nov 14, priced at $181 found 14 hours ago
Southwest Airlines
Sat, Oct 24 - Sat, Oct 31
PDX
Portland
SEA
Seattle
$223 Roundtrip, found 18 hours ago
$223
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Sat, Oct 24 from Portland to Seattle, returning Sat, Oct 31, priced at $223 found 18 hours ago
Frontier Airlines
Thu, Sep 17 - Mon, Sep 21
IND
Indianapolis
SEA
Seattle
$250 Roundtrip, found 2 hours ago
$250
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 17 from Indianapolis to Seattle, returning Mon, Sep 21, priced at $250 found 2 hours ago
Alaska Airlines
Sat, Oct 24 - Sat, Oct 24
ORD
Chicago
SEA
Seattle
$258 Roundtrip, found 6 hours ago
$258
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Oct 24 from Chicago to Seattle, returning Sat, Oct 24, priced at $258 found 6 hours ago
United
Tue, Sep 15 - Wed, Sep 16
ORD
Chicago
SEA
Seattle
$263 Roundtrip, found 13 hours ago
$263
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Sep 15 from Chicago to Seattle, returning Wed, Sep 16, priced at $263 found 13 hours ago
American Airlines
Wed, Aug 12 - Tue, Sep 1
ORD
Chicago
SEA
Seattle
$263 Roundtrip, found 6 hours ago
$263
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Aug 12 from Chicago to Seattle, returning Tue, Sep 1, priced at $263 found 6 hours ago

Trending flights to Mason County

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

Bargain Flight
Sat, Oct 24 - Sat, Oct 31
PDX
Portland
SEA
Seattle
$176 Roundtrip, found 18 hours ago
$176
Roundtrip
found 18 hours ago
Select Bargain Flight flight, departing Sat, Oct 24 from Portland to Seattle, returning Sat, Oct 31, priced at $176 found 18 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 $176.
How much is a flight to Mason County?
If you were journeying one way from Portland (PDX), you could've nabbed a low-cost fare for just $112 in the last seven days. Round-trip flights to Mason County ranged from $176 to $263 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.
When is the cheapest time to fly to Mason County?
Try to jet off early in the week to score a bargain airfare to Mason County. Tuesday is routinely the most affordable day to take off, with Monday a close second. Saturday typically has the costliest ticket prices. This is because many people prefer to begin their getaway on a weekend.
How much is a plane ticket to Mason County?
In the last seven days, journeys to Mason County varied between $176 and $263. Prices generally depend on the time of departure, cabin class, airline and when the fare is booked.
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.
How long is a flight to Mason County?
That depends on where you travel from. These leading domestic routes and their average flight times will give you a clearer picture of how long it'll take you to get to Mason County:

  • Anchorage, AK (ANC-Ted Stevens Anchorage Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 3 hours and 30 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 2 hours and 56 minutes
  • San Francisco, CA (SFO-San Francisco Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 2 hours and 16 minutes

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 50ºF to 75ºF. March, September and October is when Shelton lures the biggest crowds.

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.