Cheap Flights to Jefferson County from $28

View $28 flight on Wed, Apr 1, 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Mar 11 - Tue, Mar 24
LAX
Los Angeles
SEA
Seattle
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Mar 11 from Los Angeles to Seattle, returning Tue, Mar 24, priced at $56 just found
Frontier Airlines
Tue, Apr 14 - Wed, Apr 22
LAX
Los Angeles
SEA
Seattle
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Apr 14 from Los Angeles to Seattle, returning Wed, Apr 22, priced at $66 just found
Frontier Airlines
Thu, Apr 30 - Sun, May 10
LAX
Los Angeles
SEA
Seattle
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Apr 30 from Los Angeles to Seattle, returning Sun, May 10, priced at $68 just found
Frontier Airlines
Wed, Mar 25 - Tue, Mar 31
LAX
Los Angeles
SEA
Seattle
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Mar 25 from Los Angeles to Seattle, returning Tue, Mar 31, priced at $72 just found
Frontier Airlines
Tue, May 12 - Sun, May 17
LAX
Los Angeles
SEA
Seattle
$78 Roundtrip, found 1 hour ago
$78
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, May 12 from Los Angeles to Seattle, returning Sun, May 17, priced at $78 found 1 hour ago
Frontier Airlines
Sat, Apr 25 - Sun, Apr 26
LAX
Los Angeles
SEA
Seattle
$79 Roundtrip, found 3 hours ago
$79
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Apr 25 from Los Angeles to Seattle, returning Sun, Apr 26, priced at $79 found 3 hours ago
Southwest Airlines
Thu, Apr 23 - Sat, Apr 25
LAX
Los Angeles
SEA
Seattle
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Thu, Apr 23 from Los Angeles to Seattle, returning Sat, Apr 25, priced at $99 found 1 hour ago
American Airlines
Thu, Apr 23 - Mon, Apr 27
LAX
Los Angeles
SEA
Seattle
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Apr 23 from Los Angeles to Seattle, returning Mon, Apr 27, priced at $117 found 1 hour ago
Alaska Airlines
Thu, Apr 30 - Sun, May 10
LAX
Los Angeles
PAE
Seattle
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Apr 30 from Los Angeles to Seattle, returning Sun, May 10, priced at $117 just found
Delta
Thu, Apr 30 - Sun, May 3
LAX
Los Angeles
SEA
Seattle
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Delta flight, departing Thu, Apr 30 from Los Angeles to Seattle, returning Sun, May 3, priced at $117 just found

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Airports in Jefferson County

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Flights from $259
SEA
Seattle - Tacoma Intl.
Cheapest
Flights from $259
Select flight to Snohomish County - Paine Field PAE. Flights from $728
PAE
Snohomish County - Paine Field
Flights from $728

Trending flights to Jefferson 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.

Delta
Sat, Apr 18 - Sat, Apr 25
PDX
Portland
SEA
Seattle
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Apr 18 from Portland to Seattle, returning Sat, Apr 25, priced at $137 found 2 hours ago

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Travel information

*Flight schedules are subject to change.

*Flight schedules are subject to change.

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