Red Rocks at sunrise, near Denver Colorado

£407 Cheap Flights to Jefferson County

View £407 flight on Sat, 7 Nov 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • Frontier Airlines

  • American Airlines

  • United

  • Delta

  • Southwest Airlines

  • JetBlue Airways

Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at £407 for one-way flights and £490 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Brussels Airlines
Scandinavian Airlines
JetBlue Airways
Scandinavian Airlines
Swiss International Air Lines
American Airlines
Aer Lingus
Icelandair
Lufthansa

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.

Lufthansa

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. £490 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 £490 and £628. Many lucky holiday makers purchased one-way seats from London (LHR) for as low as £407.
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 £490 and £628. 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

Top tips for booking flights to Jefferson County from UK

Get ready to fly to Jefferson County

Prepare your luggage and book your flights to Jefferson County with Expedia. We offer a seamless flight booking experience, with a wide range of Jefferson County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Jefferson County in 2026, we are always available to assist you. Book your flights to Jefferson County today and let the adventure begin!

Find the best tickets to Jefferson County

To find some of the best tickets to Jefferson County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Jefferson County or last-minute flights to Jefferson County, you can filter and sort your search results, making it easy to find the ideal flight to Jefferson County.

Airlines fly to Jefferson County

There are 20 different airlines that fly to Jefferson County including some of the most trusted names in the business. To book flights to Jefferson County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Jefferson County plane tickets.

Find the cheapest flights to Jefferson County

By booking early you may find some of the best deals for Jefferson County flights from the UK, including Jefferson County direct flights. You can usually find affordable and cheap flights to Jefferson County, whether one-way from £407 or round-trip from £490, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Jefferson County

Try searching for different Jefferson County airports with Expedia to find some of the cheapest flights to Jefferson County. Flights from London (LHR) to Denver (DEN) usually have the lowest price from £407.

Why book your flights to Jefferson County with Expedia

Expedia offers great deals on Jefferson County air fares from £407 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Jefferson County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Jefferson County from UK

Travel information

Jefferson County Flights Information

Airlines serving
JetBlue Airways, Icelandair, United, Lufthansa, American Airlines, Air Canada, Brussels Airlines, Swiss International Air Lines, Austrian Airlines, Scandinavian Airlines, Aer Lingus
Roundtrip price
from £490
Jefferson County Flights Information
*Available to Expedia members.