Cheap Flights to Jefferson County from $28

View $28 flight on Thu, Mar 19, 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, Apr 22 - Sun, Apr 26
LAX
Los Angeles
SEA
Seattle
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 22 from Los Angeles to Seattle, returning Sun, Apr 26, priced at $56 just found
Frontier Airlines
Tue, May 12 - Sun, May 17
LAX
Los Angeles
SEA
Seattle
$70 Roundtrip, found 15 hours ago
$70
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Tue, May 12 from Los Angeles to Seattle, returning Sun, May 17, priced at $70 found 15 hours ago
Frontier Airlines
Wed, Apr 22 - Sun, Apr 26
LAX
Los Angeles
SEA
Seattle
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 22 from Los Angeles to Seattle, returning Sun, Apr 26, priced at $72 just found
Frontier Airlines
Tue, May 12 - Sun, May 17
LAX
Los Angeles
SEA
Seattle
$80 Roundtrip, found 15 hours ago
$80
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Tue, May 12 from Los Angeles to Seattle, returning Sun, May 17, priced at $80 found 15 hours ago
Frontier Airlines
Thu, Apr 9 - Tue, Apr 14
LAX
Los Angeles
SEA
Seattle
$82 Roundtrip, found 2 hours ago
$82
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Los Angeles to Seattle, returning Tue, Apr 14, priced at $82 found 2 hours ago
Frontier Airlines
Fri, Mar 20 - Fri, Mar 27
LAX
Los Angeles
SEA
Seattle
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Mar 20 from Los Angeles to Seattle, returning Fri, Mar 27, priced at $88 just found
Southwest Airlines
Wed, Apr 29 - Sat, May 2
LAX
Los Angeles
SEA
Seattle
$99 Roundtrip, just found
$99
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Apr 29 from Los Angeles to Seattle, returning Sat, May 2, priced at $99 just found
Alaska Airlines
Wed, Apr 29 - Sat, May 2
LAX
Los Angeles
SEA
Seattle
$112 Roundtrip, just found
$112
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Apr 29 from Los Angeles to Seattle, returning Sat, May 2, priced at $112 just found
American Airlines
Thu, Apr 23 - Mon, Apr 27
LAX
Los Angeles
SEA
Seattle
$117 Roundtrip, just found
$117
Roundtrip
just found
Select American Airlines flight, departing Thu, Apr 23 from Los Angeles to Seattle, returning Mon, Apr 27, priced at $117 just found
Delta
Wed, Apr 22 - Sun, Apr 26
LAX
Los Angeles
SEA
Seattle
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Delta flight, departing Wed, Apr 22 from Los Angeles to Seattle, returning Sun, Apr 26, 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 $228
SEA
Seattle - Tacoma Intl.
Cheapest
Flights from $228
Select flight to Snohomish County - Paine Field PAE. Flights from $712
PAE
Snohomish County - Paine Field
Flights from $712

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, Mar 14 - Sat, Mar 21
PDX
Portland
SEA
Seattle
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Delta flight, departing Sat, Mar 14 from Portland to Seattle, returning Sat, Mar 21, priced at $137 just found

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Travel information

*Flight schedules are subject to change.

*Flight schedules are subject to change.

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