£285 Cheap Flights to Jefferson County

View £285 flight on Sat, 2 May 2026Opens in a new window

Popular airlines to Jefferson County

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  • American Airlines

  • Alaska Airlines

  • Delta

  • United

  • Southwest 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 £285 for one-way flights and £381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Fri, 5 Jun - Mon, 22 Jun
DUB
Dublin
DEN
Denver
£381 Return, found 8 hours ago
£381
Return
found 8 hours ago
Select Icelandair flight, departing Fri, 5 Jun from Dublin to Denver, returning Mon, 22 Jun, priced at £381 found 8 hours ago
Finnair
Thu, 7 May - Mon, 18 May
DUB
Dublin
DEN
Denver
£400 Return, found 1 day ago
£400
Return
found 1 day ago
Select Finnair flight, departing Thu, 7 May from Dublin to Denver, returning Mon, 18 May, priced at £400 found 1 day ago
American Airlines
Thu, 28 May - Mon, 15 Jun
DUB
Dublin
DEN
Denver
£409 Return, found 8 hours ago
£409
Return
found 8 hours ago
Select American Airlines flight, departing Thu, 28 May from Dublin to Denver, returning Mon, 15 Jun, priced at £409 found 8 hours ago
Iberia
Wed, 15 Apr - Sat, 2 May
DUB
Dublin
DEN
Denver
£410 Return, found 2 days ago
£410
Return
found 2 days ago
Select Iberia flight, departing Wed, 15 Apr from Dublin to Denver, returning Sat, 2 May, priced at £410 found 2 days ago
KLM
Tue, 2 Jun - Wed, 10 Jun
DUB
Dublin
DEN
Denver
£421 Return, found 2 days ago
£421
Return
found 2 days ago
Select KLM flight, departing Tue, 2 Jun from Dublin to Denver, returning Wed, 10 Jun, priced at £421 found 2 days ago
Air France
Wed, 3 Jun - Wed, 10 Jun
DUB
Dublin
DEN
Denver
£422 Return, found 1 day ago
£422
Return
found 1 day ago
Select Air France flight, departing Wed, 3 Jun from Dublin to Denver, returning Wed, 10 Jun, priced at £422 found 1 day ago
British Airways
Thu, 7 May - Mon, 11 May
DUB
Dublin
DEN
Denver
£430 Return, found 1 day ago
£430
Return
found 1 day ago
Select British Airways flight, departing Thu, 7 May from Dublin to Denver, returning Mon, 11 May, priced at £430 found 1 day ago
Aer Lingus
Thu, 21 May - Sun, 7 Jun
DUB
Dublin
DEN
Denver
£481 Return, found 2 days ago
£481
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 21 May from Dublin to Denver, returning Sun, 7 Jun, priced at £481 found 2 days ago
JetBlue Airways
Wed, 6 May - Sat, 16 May
DUB
Dublin
DEN
Denver
£485 Return, found 8 hours ago
£485
Return
found 8 hours ago
Select JetBlue Airways flight, departing Wed, 6 May from Dublin to Denver, returning Sat, 16 May, priced at £485 found 8 hours ago
Icelandair
Fri, 13 Nov - Sat, 21 Nov
LGW
London
DEN
Denver
£512 Return, found 9 hours ago
£512
Return
found 9 hours ago
Select Icelandair flight, departing Fri, 13 Nov from London to Denver, returning Sat, 21 Nov, priced at £512 found 9 hours 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
Fri, 13 Nov - Sat, 21 Nov
LGW
London
DEN
Denver
£512 Return, found 9 hours ago
£512
Return
found 9 hours ago
Select Icelandair flight, departing Fri, 13 Nov from London to Denver, returning Sat, 21 Nov, priced at £512 found 9 hours ago

Frequently asked questions

How do I find cheap flights to Jefferson County that have flexible change policies?
We know that travel arrangements can change from one minute to the next, so booking a flexible ticket with Expedia is always a smart move. Simply tick the "No change fee" box under the "Flexible change policies" filter. Your well-priced and flexible flight to Jefferson County is just a few clicks away.
Which airlines fly to Jefferson County?
Dig out your passport, pack your bags and choose from these leading airlines that operate flights in or near Jefferson County:

  • United Airlines - 13,033 flights to or near Jefferson County each month, including 13,033 flights to Denver Intl. Airport (DEN) per month.
  • Southwest Airlines - 6,339 flights to or near Jefferson County each month, including 6,339 flights to Denver Intl. Airport (DEN) per month.
  • Frontier Airlines - 1,967 flights to or near Jefferson County each month, including 1,967 flights to Denver Intl. Airport (DEN) per month.

How can I find cheap tickets to Jefferson County?
You'll always walk away with an awesome deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then check the flexible dates box above to compare prices for nearby days. £381 was the best price for a flight to Jefferson County in the last seven days.
How much is a flight to Jefferson County?
There were lots of cheap fares up for grabs in the last seven days, with the price of a return flight to Jefferson County varying between £381 and £512. Many lucky holiday makers purchased one-way seats from Dublin (DUB) for as low as £285.
What are the most popular airports to fly into in Jefferson County?
Denver Intl. Airport (DEN) is the primary gateway for many hoping to explore Jefferson County. Approximately 24,249 monthly flights touch down here.
When is the cheapest time to fly to Jefferson County?
If you'd prefer to spend your money getting to know Jefferson County rather than on your journey there, leave early in the week. The most economical day to travel is generally Tuesday, with Monday running a close second. With many people travelling on weekends, Saturday tends to have the highest airfares.
How much is a plane ticket to Jefferson County?
In the last seven days, airfares to Jefferson County ranged between £381 and £512. The early bird catches the worm, so grab a terrific deal today.
What is the best time to go to Jefferson County?
If you'd love to experience Jefferson County's most populous city when it's buzzing, head for Pine sometime in March, May and July. Similar to most destinations in the Northern Hemisphere, summertime here begins June 20, with average temperatures ranging between 10ºC and 21ºC.
What months are the cheapest to book a flight to Jefferson County?
Reserve your ticket in February to enjoy low-priced flights to Jefferson County. The month of December is generally the most expensive time to purchase a fare.

Travel information

Jefferson County Flights Information

Airlines serving
JetBlue Airways, Icelandair, WestJet, Aer Lingus, Finnair, American Airlines, Iberia, Lufthansa, KLM, Air France, Swiss International Air Lines, Brussels Airlines, British Airways
Roundtrip price
from £381
Jefferson County Flights Information

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