£371 Cheap Flights to Jefferson County

View £371 flight on Mon, 1 Feb 2027Opens in a new window

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Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at £371 for one-way flights and £481 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 18 Feb - Thu, 11 Mar
LGW
London
SEA
Seattle
£481 Return, found 5 days ago
£481
Return
found 5 days ago
Select Icelandair flight, departing Thu, 18 Feb from London to Seattle, returning Thu, 11 Mar, priced at £481 found 5 days ago
Icelandair
Thu, 26 Nov - Thu, 3 Dec
LHR
London
SEA
Seattle
£482 Return, found 2 days ago
£482
Return
found 2 days ago
Select Icelandair flight, departing Thu, 26 Nov from London to Seattle, returning Thu, 3 Dec, priced at £482 found 2 days ago
KLM
Wed, 7 Oct - Wed, 21 Oct
LHR
London
SEA
Seattle
£550 Return, found 14 hours ago
£550
Return
found 14 hours ago
Select KLM flight, departing Wed, 7 Oct from London to Seattle, returning Wed, 21 Oct, priced at £550 found 14 hours ago
Delta
Wed, 7 Oct - Wed, 21 Oct
LHR
London
SEA
Seattle
£550 Return, found 14 hours ago
£550
Return
found 14 hours ago
Select Delta flight, departing Wed, 7 Oct from London to Seattle, returning Wed, 21 Oct, priced at £550 found 14 hours ago
British Airways
Wed, 16 Sept - Tue, 20 Oct
LHR
London
SEA
Seattle
£550 Return, found 6 days ago
£550
Return
found 6 days ago
Select British Airways flight, departing Wed, 16 Sept from London to Seattle, returning Tue, 20 Oct, priced at £550 found 6 days ago
Air France
Wed, 7 Oct - Wed, 21 Oct
LHR
London
SEA
Seattle
£555 Return, found 14 hours ago
£555
Return
found 14 hours ago
Select Air France flight, departing Wed, 7 Oct from London to Seattle, returning Wed, 21 Oct, priced at £555 found 14 hours ago
Scandinavian Airlines
Sat, 30 May - Sun, 31 May
LHR
London
SEA
Seattle
£558 Return, found 4 days ago
£558
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Sat, 30 May from London to Seattle, returning Sun, 31 May, priced at £558 found 4 days ago
Virgin Atlantic
Wed, 7 Oct - Wed, 21 Oct
LHR
London
SEA
Seattle
£563 Return, found 14 hours ago
£563
Return
found 14 hours ago
Select Virgin Atlantic flight, departing Wed, 7 Oct from London to Seattle, returning Wed, 21 Oct, priced at £563 found 14 hours ago
Alaska Airlines
Thu, 1 Oct - Thu, 29 Oct
LHR
London
SEA
Seattle
£567 Return, found 1 day ago
£567
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 1 Oct from London to Seattle, returning Thu, 29 Oct, priced at £567 found 1 day ago
American Airlines
Tue, 20 Oct - Tue, 27 Oct
LHR
London
SEA
Seattle
£569 Return, found 2 days ago
£569
Return
found 2 days ago
Select American Airlines flight, departing Tue, 20 Oct from London to Seattle, returning Tue, 27 Oct, priced at £569 found 2 days ago

Trending flights to Jefferson 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.

Icelandair
Thu, 26 Nov - Thu, 3 Dec
LHR
London
SEA
Seattle
£482 Return, found 2 days ago
£482
Return
found 2 days ago
Select Icelandair flight, departing Thu, 26 Nov from London to Seattle, returning Thu, 3 Dec, priced at £482 found 2 days ago

Frequently asked questions

How do I find cheap flights to Jefferson County that have flexible change policies?
When it comes to flying these days, flexibility is key. That's why we've added a "No change fee" search function to help you track down flexible, affordable fares to Jefferson County. It's near the top left of your screen right underneath the "Flexible change policies" heading.
Which airlines fly to Jefferson County?
Settle on your travel dates and then take off towards Jefferson County with one of these leading airlines:

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

How can I find cheap tickets to Jefferson County?
To nab a terrific deal to Jefferson County, book in advance. Also make use of Expedia's "flexible dates" feature at the top of your search results. This will compare prices for nearby days. In the last seven days, £481 was the best price for a flight to Jefferson County.
How much is a flight to Jefferson County?
The cost of a round-trip flight to Jefferson County in the last seven days ranged between £481 and £569. If you were flying one way from London (LGW), you could have gotten a great deal from just £371.
What are the most popular airports to fly into in Jefferson County?
The primary gateway to Jefferson County, roughly 15,456 flights land at Seattle - Tacoma Intl. Airport (SEA) each month. Scout around for an unbeatable deal, lock in your fare and get ready to discover this amazing region.
When is the cheapest time to fly to Jefferson County?
Fly out on a Tuesday to boost your odds of securing the cheapest flight to Jefferson County. Mondays are usually the second most affordable day to depart. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Jefferson County?
In the last seven days, plane tickets to Jefferson County ranged between £481 and £569. Prices generally depend on the departure time, cabin class, airline and how early you make your booking.
What is the best time to go to Jefferson County?
If you'd love to check out Jefferson County's leading city at its busiest, visit Port Townsend sometime during March, April and June. Similar to most places in the Northern Hemisphere, summer here begins June 20, with average temperatures of between 13ºC and 18ºC.
What months are the cheapest to book a flight to Jefferson County?
The cheapest month to land a fabulous deal to Jefferson County is February, whereas prices are at their highest in December. Avoid this month if you want to save your dollars.

Travel information

Jefferson County Flights Information

Airlines serving
Icelandair, Swiss International Air Lines, Aer Lingus, Lufthansa, American Airlines, Finnair, JetBlue Airways, United, British Airways, KLM, Delta, Air France, Scandinavian Airlines, Virgin Atlantic, Alaska Airlines
Roundtrip price
from £481
Jefferson County Flights Information

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