Cheap Flights to Summit County from NT$1,523

View NT$1,523 flight on Wed, 2026/4/29Opens in a new window

Popular airlines to Summit County

  • Frontier Airlines

  • Alaska Airlines

  • American Airlines

  • United

  • Delta

  • Southwest Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 45% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Summit County?

Prices were available within the past 7 days and start at NT$1,523 for one-way flights and NT$3,044 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Apr 29 - Sat, May 9
SEA
Seattle
DEN
Denver
NT$3,044 Roundtrip, found 3 days ago
NT$3,044
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Apr 29 from Seattle to Denver, returning Sat, May 9, priced at NT$3,044 found 3 days ago
Delta
Wed, Apr 29 - Sat, May 9
SEA
Seattle
DEN
Denver
NT$3,353 Roundtrip, found 3 days ago
NT$3,353
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Apr 29 from Seattle to Denver, returning Sat, May 9, priced at NT$3,353 found 3 days ago
Delta
Tue, Apr 28 - Tue, Apr 28
SEA
Seattle
DEN
Denver
NT$3,494 Roundtrip, found 5 days ago
NT$3,494
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Apr 28 from Seattle to Denver, returning Tue, Apr 28, priced at NT$3,494 found 5 days ago
Delta
Tue, Apr 28 - Tue, Apr 28
SEA
Seattle
DEN
Denver
NT$3,670 Roundtrip, found 5 days ago
NT$3,670
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Apr 28 from Seattle to Denver, returning Tue, Apr 28, priced at NT$3,670 found 5 days ago
Delta
Tue, Apr 28 - Tue, Apr 28
SEA
Seattle
DEN
Denver
NT$3,803 Roundtrip, found 5 days ago
NT$3,803
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Apr 28 from Seattle to Denver, returning Tue, Apr 28, priced at NT$3,803 found 5 days ago
Alaska Airlines
Tue, Apr 21 - Wed, May 6
SFO
San Francisco
DEN
Denver
NT$5,578 Roundtrip, found 18 hours ago
NT$5,578
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Apr 21 from San Francisco to Denver, returning Wed, May 6, priced at NT$5,578 found 18 hours ago
United
Tue, Apr 28 - Tue, Apr 28
SEA
Seattle
DEN
Denver
NT$6,181 Roundtrip, found 5 days ago
NT$6,181
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 28 from Seattle to Denver, returning Tue, Apr 28, priced at NT$6,181 found 5 days ago
American Airlines
Wed, Aug 19 - Mon, Aug 24
SFO
San Francisco
DEN
Denver
NT$12,164 Roundtrip, found 2 days ago
NT$12,164
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Aug 19 from San Francisco to Denver, returning Mon, Aug 24, priced at NT$12,164 found 2 days ago
American Airlines
Tue, Jun 23 - Wed, Jun 24
PAE
Seattle
DEN
Denver
NT$13,778 Roundtrip, found 3 days ago
NT$13,778
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jun 23 from Seattle to Denver, returning Wed, Jun 24, priced at NT$13,778 found 3 days ago
STARLUX Airlines
Thu, Jun 4 - Thu, Jun 18
TPE
Taipei
DEN
Denver
NT$24,252 Roundtrip, found 2 days ago
NT$24,252
Roundtrip
found 2 days ago
Select STARLUX Airlines flight, departing Thu, Jun 4 from Taipei to Denver, returning Thu, Jun 18, priced at NT$24,252 found 2 days ago

Trending flights to Summit County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Thu, Jun 4 - Thu, Jun 18
TPE
Taipei
DEN
Denver
NT$24,252 Roundtrip, found 2 days ago
NT$24,252
Roundtrip
found 2 days ago
Select STARLUX Airlines flight, departing Thu, Jun 4 from Taipei to Denver, returning Thu, Jun 18, priced at NT$24,252 found 2 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, NT$3,044 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 NT$3,044 and NT$24,252. If you were traveling one way from Seattle (SEA), you could have landed an affordable fare from only NT$1,523.
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 NT$3,044 and NT$24,252. 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 40ºF to 65ºF 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.

Explore a world of travel with Expedia

*Available to Expedia members.