Red Rocks at sunrise, near Denver Colorado

Flight Destinations in Jefferson County

View ฿2,955 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines to Jefferson County

  • Frontier Airlines

  • Alaska Airlines

  • American Airlines

  • United

  • Delta

  • 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 ฿2,955 for one-way flights and ฿7,245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 2 Sept - Wed, 9 Sept
BOS
Boston
DEN
Denver
฿7,245 Return, found 7 hours ago
฿7,245
Return
found 7 hours ago
Select Delta flight, departing Wed, 2 Sept from Boston to Denver, returning Wed, 9 Sept, priced at ฿7,245 found 7 hours ago
Delta
Mon, 19 Oct - Thu, 26 Nov
SEA
Seattle
DEN
Denver
฿7,330 Return, found 1 day ago
฿7,330
Return
found 1 day ago
Select Delta flight, departing Mon, 19 Oct from Seattle to Denver, returning Thu, 26 Nov, priced at ฿7,330 found 1 day ago
United
Mon, 19 Oct - Thu, 26 Nov
SEA
Seattle
DEN
Denver
฿9,180 Return, found 1 day ago
฿9,180
Return
found 1 day ago
Select United flight, departing Mon, 19 Oct from Seattle to Denver, returning Thu, 26 Nov, priced at ฿9,180 found 1 day ago
American Airlines
Wed, 2 Sept - Wed, 9 Sept
BOS
Boston
DEN
Denver
฿9,905 Return, found 7 hours ago
฿9,905
Return
found 7 hours ago
Select American Airlines flight, departing Wed, 2 Sept from Boston to Denver, returning Wed, 9 Sept, priced at ฿9,905 found 7 hours ago
American Airlines
Mon, 19 Oct - Wed, 4 Nov
PAE
Seattle
DEN
Denver
฿13,305 Return, found 3 hours ago
฿13,305
Return
found 3 hours ago
Select American Airlines flight, departing Mon, 19 Oct from Seattle to Denver, returning Wed, 4 Nov, priced at ฿13,305 found 3 hours ago
Icelandair
Thu, 3 Sept - Wed, 16 Sept
LGW
London
DEN
Denver
฿28,970 Return, found 1 day ago
฿28,970
Return
found 1 day ago
Select Icelandair flight, departing Thu, 3 Sept from London to Denver, returning Wed, 16 Sept, priced at ฿28,970 found 1 day ago
Air Canada
Wed, 23 Sept - Wed, 21 Oct
BKK
Bangkok
DEN
Denver
฿29,160 Return, found 8 hours ago
฿29,160
Return
found 8 hours ago
Select Air Canada flight, departing Wed, 23 Sept from Bangkok to Denver, returning Wed, 21 Oct, priced at ฿29,160 found 8 hours ago
Korean Air
Thu, 1 Oct - Fri, 16 Oct
BKK
Bangkok
DEN
Denver
฿29,183 Return, found 2 days ago
฿29,183
Return
found 2 days ago
Select Korean Air flight, departing Thu, 1 Oct from Bangkok to Denver, returning Fri, 16 Oct, priced at ฿29,183 found 2 days ago
Lufthansa
Thu, 3 Sept - Wed, 16 Sept
LHR
London
DEN
Denver
฿31,035 Return, found 1 day ago
฿31,035
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 3 Sept from London to Denver, returning Wed, 16 Sept, priced at ฿31,035 found 1 day ago
Lufthansa
Thu, 3 Sept - Wed, 16 Sept
LHR
London
DEN
Denver
฿31,795 Return, found 1 day ago
฿31,795
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 3 Sept from London to Denver, returning Wed, 16 Sept, priced at ฿31,795 found 1 day 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.

Air Canada
Wed, 23 Sept - Wed, 21 Oct
BKK
Bangkok
DEN
Denver
฿29,160 Return, found 8 hours ago
฿29,160
Return
found 8 hours ago
Select Air Canada flight, departing Wed, 23 Sept from Bangkok to Denver, returning Wed, 21 Oct, priced at ฿29,160 found 8 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. ฿7,245 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 ฿7,245 and ฿31,795. Many lucky holiday makers purchased one-way seats from Boston (BOS) for as low as ฿2,955.
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.
How much is a plane ticket to Jefferson County?
In the last seven days, airfares to Jefferson County ranged between ฿7,245 and ฿31,795. 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.

Book with confidence

About Jefferson County

Expedia offers flights to Jefferson County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Jefferson County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Jefferson County
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