Cheap flights to Summit County

View €300 flight on Sun, 3 May 2026Opens in a new window

Popular airlines to Summit County

  • American Airlines

    American Airlines

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • JetBlue Airways

    JetBlue Airways

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Cheap round-trip flights to Summit County

Prices were available within the past 7 days and start at €300 for one-way flights and €378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 3 Mar - Tue, 10 Mar
DUB
Dublin
DEN
Denver
€378 Return, found 17 hours ago
€378
Return
found 17 hours ago
Select British Airways flight, departing Tue, 3 Mar from Dublin to Denver, returning Tue, 10 Mar, priced at €378 found 17 hours ago
American Airlines
Thu, 22 Jan - Mon, 16 Feb
DUB
Dublin
DEN
Denver
€395 Return, found 8 hours ago
€395
Return
found 8 hours ago
Select American Airlines flight, departing Thu, 22 Jan from Dublin to Denver, returning Mon, 16 Feb, priced at €395 found 8 hours ago
Iberia
Mon, 25 May - Mon, 15 Jun
DUB
Dublin
DEN
Denver
€406 Return, found 1 day ago
€406
Return
found 1 day ago
Select Iberia flight, departing Mon, 25 May from Dublin to Denver, returning Mon, 15 Jun, priced at €406 found 1 day ago
Aer Lingus
Fri, 22 May - Wed, 27 May
DUB
Dublin
DEN
Denver
€413 Return, found 15 hours ago
€413
Return
found 15 hours ago
Select Aer Lingus flight, departing Fri, 22 May from Dublin to Denver, returning Wed, 27 May, priced at €413 found 15 hours ago
Icelandair
Thu, 22 Jan - Mon, 26 Jan
LHR
London
DEN
Denver
€453 Return, found 2 days ago
€453
Return
found 2 days ago
Select Icelandair flight, departing Thu, 22 Jan from London to Denver, returning Mon, 26 Jan, priced at €453 found 2 days ago
Lufthansa
Thu, 22 Jan - Wed, 4 Feb
LHR
London
DEN
Denver
€493 Return, found 19 hours ago
€493
Return
found 19 hours ago
Select Lufthansa flight, departing Thu, 22 Jan from London to Denver, returning Wed, 4 Feb, priced at €493 found 19 hours ago
Aer Lingus
Sat, 29 Aug - Tue, 8 Sept
ORK
Cork
DEN
Denver
€496 Return, found 6 days ago
€496
Return
found 6 days ago
Select Aer Lingus flight, departing Sat, 29 Aug from Cork to Denver, returning Tue, 8 Sept, priced at €496 found 6 days ago
Finnair
Mon, 8 Jun - Mon, 22 Jun
DUB
Dublin
DEN
Denver
€501 Return, found 1 day ago
€501
Return
found 1 day ago
Select Finnair flight, departing Mon, 8 Jun from Dublin to Denver, returning Mon, 22 Jun, priced at €501 found 1 day ago
United
Thu, 22 Jan - Wed, 4 Feb
LHR
London
DEN
Denver
€514 Return, found 19 hours ago
€514
Return
found 19 hours ago
Select United flight, departing Thu, 22 Jan from London to Denver, returning Wed, 4 Feb, priced at €514 found 19 hours ago
Austrian Airlines
Sun, 1 Mar - Sun, 8 Mar
LHR
London
DEN
Denver
€521 Return, found 11 hours ago
€521
Return
found 11 hours ago
Select Austrian Airlines flight, departing Sun, 1 Mar from London to Denver, returning Sun, 8 Mar, priced at €521 found 11 hours ago

Trending flights to Summit 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.

British Airways
Tue, 3 Mar - Tue, 10 Mar
DUB
Dublin
DEN
Denver
€378 Return, found 17 hours ago
€378
Return
found 17 hours ago
Select British Airways flight, departing Tue, 3 Mar from Dublin to Denver, returning Tue, 10 Mar, priced at €378 found 17 hours ago

Frequently asked questions

How do I find cheap flights to Summit County that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to give you the most flexible fares around town. Just click on "No change fee" right underneath the "Flexible change policies" filter to find your dream flight to Summit County.
Which airlines fly to Summit County?
Choose a seat with one of these airlines and exciting Summit County will be all yours to explore:

  • United Airlines - 13,380 flights to or near Summit County each month, including 13,033 flights to Denver Intl. Airport (DEN) per month.
  • Southwest Airlines - 6,339 flights to or near Summit County each month, including 6,339 flights to Denver Intl. Airport (DEN) per month.
  • Frontier Airlines - 1,967 flights to or near Summit County each month, including 1,967 flights to Denver Intl. Airport (DEN) per month.

How can I find cheap tickets to Summit County?
For an unbeatable deal to Summit County, book well ahead of time. Also take advantage of Expedia's "flexible dates" feature at the top of your search results. This will list the cheapest prices for similar time frames. In the last seven days, €378 was the best price for a flight to Summit County.
How much is a flight to Summit County?
The price of a round-trip airfare to Summit County in the last seven days varied between €378 and €521. If you were travelling one way from Dublin (DUB), you could have landed an affordable fare from only €300.
What are the most popular airports to fly into in Summit County?
When it comes to selecting which airport in Summit County to use, these are your choices:

  • Denver Intl. Airport (DEN) - 24,249 flights per month.
  • Pitkin County Airport (ASE) - 534 flights per month.

How much is a plane ticket to Summit County?
In the last seven days, seats to Summit County cost between €378 and €521. Prices depend on a number of things, particularly the time of departure, carrier, cabin class and when the fare is booked.
What is the best time to go to Summit County?
January, February and November are the most popular months to travel to Breckenridge, one of Summit County's best cities. Summer here starts June 20. Average temperatures vary from 4ºC to 18ºC throughout the season, so plan your trip around then if you're a fan of warmer weather.
What months are the cheapest to book a flight to Summit County?
To secure a great deal to Summit County, book sometime in February when the price of airfares are at their lowest. The most expensive time to book? In the United States, it's December.

Book with confidence

About Summit County

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About Summit County

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