Cheap Flights to Summit County

View NZ$218 flight on Wed, 10 June 2026Opens in a new window

Popular airlines to Summit County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheapest Flights to Summit County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 8 June - Thu, 11 June
PHL
Philadelphia
DEN
Denver
NZ$435 Return, found 1 day ago
NZ$435
Return
found 1 day ago
Select Delta flight, departing Mon, 8 June from Philadelphia to Denver, returning Thu, 11 June, priced at NZ$435 found 1 day ago
Delta
Fri, 1 May - Tue, 19 May
PHL
Philadelphia
DEN
Denver
NZ$489 Return, found 1 day ago
NZ$489
Return
found 1 day ago
Select Delta flight, departing Fri, 1 May from Philadelphia to Denver, returning Tue, 19 May, priced at NZ$489 found 1 day ago
Delta
Sat, 9 May - Fri, 29 May
PHL
Philadelphia
DEN
Denver
NZ$521 Return, found 1 day ago
NZ$521
Return
found 1 day ago
Select Delta flight, departing Sat, 9 May from Philadelphia to Denver, returning Fri, 29 May, priced at NZ$521 found 1 day ago
Delta
Tue, 14 Apr - Sat, 25 Apr
PHL
Philadelphia
DEN
Denver
NZ$558 Return, found 1 day ago
NZ$558
Return
found 1 day ago
Select Delta flight, departing Tue, 14 Apr from Philadelphia to Denver, returning Sat, 25 Apr, priced at NZ$558 found 1 day ago
American Airlines
Sat, 16 May - Sat, 30 May
PHL
Philadelphia
DEN
Denver
NZ$572 Return, found 1 day ago
NZ$572
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 May from Philadelphia to Denver, returning Sat, 30 May, priced at NZ$572 found 1 day ago
Delta
Sun, 10 May - Fri, 29 May
PHL
Philadelphia
DEN
Denver
NZ$575 Return, found 1 day ago
NZ$575
Return
found 1 day ago
Select Delta flight, departing Sun, 10 May from Philadelphia to Denver, returning Fri, 29 May, priced at NZ$575 found 1 day ago
Delta
Wed, 10 June - Thu, 11 June
PHL
Philadelphia
DEN
Denver
NZ$576 Return, found 1 day ago
NZ$576
Return
found 1 day ago
Select Delta flight, departing Wed, 10 June from Philadelphia to Denver, returning Thu, 11 June, priced at NZ$576 found 1 day ago
United
Thu, 30 Apr - Tue, 19 May
PHL
Philadelphia
DEN
Denver
NZ$589 Return, found 1 day ago
NZ$589
Return
found 1 day ago
Select United flight, departing Thu, 30 Apr from Philadelphia to Denver, returning Tue, 19 May, priced at NZ$589 found 1 day ago
Qantas Airways
Tue, 1 Sept - Tue, 15 Sept
SYD
Sydney
DEN
Denver
NZ$1,952 Return, found 4 days ago
NZ$1,952
Return
found 4 days ago
Select Qantas Airways flight, departing Tue, 1 Sept from Sydney to Denver, returning Tue, 15 Sept, priced at NZ$1,952 found 4 days ago
Air Canada
Wed, 10 June - Thu, 3 Sept
SYD
Sydney
DEN
Denver
NZ$2,012 Return, found 4 days ago
NZ$2,012
Return
found 4 days ago
Select Air Canada flight, departing Wed, 10 June from Sydney to Denver, returning Thu, 3 Sept, priced at NZ$2,012 found 4 days 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.

Air Tahiti Nui
Sun, 10 May - Tue, 26 May
AKL
Auckland
DEN
Denver
NZ$2,173 Return, found 3 days ago
NZ$2,173
Return
found 3 days ago
Select Air Tahiti Nui flight, departing Sun, 10 May from Auckland to Denver, returning Tue, 26 May, priced at NZ$2,173 found 3 days 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, NZ$435 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 NZ$435 and NZ$2,173. If you were travelling one way from Philadelphia (PHL), you could have landed an affordable fare from only NZ$218.
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.

When is the cheapest time to fly to Summit County?
Take off to Summit County earlier in the week and you'll usually be rewarded with more affordable fares. Tuesday is known for being the cheapest day to fly out, followed by Monday. If you're hoping to avoid the costliest flights, give Saturdays a wide berth.
How much is a plane ticket to Summit County?
In the last seven days, seats to Summit County cost between NZ$435 and NZ$2,173. 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.

Travel information

Summit County Flights Information

Airlines serving
Delta, American Airlines, United, Air Tahiti Nui, Air Canada, Alaska Airlines, Qantas Airways
Roundtrip price
from NZ$435
Summit County Flights Information

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