A desert landscape with prominent white rock formations.

Cheap Flights to Thomas County from $99

View $99 flight on Mon, Dec 14, 2026Opens in a new window

Popular airlines to Thomas County

  • United

  • American Airlines

  • Qatar Airways

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How much is the cheapest flight to Thomas County?

Prices were available within the past 7 days and start at $99 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KEY LIME AIR DBA DENVER AIR CONNECTION
Tue, Aug 25 - Wed, Aug 26
DEN
Denver
MCK
McCook
$198 Roundtrip, just found
$198
Roundtrip
just found
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Tue, Aug 25 from Denver to McCook, returning Wed, Aug 26, priced at $198 just found
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Jul 22 - Sun, Aug 2
DEN
Denver
MCK
McCook
$248 Roundtrip, found 14 hours ago
$248
Roundtrip
found 14 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Jul 22 from Denver to McCook, returning Sun, Aug 2, priced at $248 found 14 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sat, Jul 25 - Sun, Jul 26
DEN
Denver
MCK
McCook
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Jul 25 from Denver to McCook, returning Sun, Jul 26, priced at $268 found 3 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Jul 16 - Wed, Jul 22
DEN
Denver
MCK
McCook
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Jul 16 from Denver to McCook, returning Wed, Jul 22, priced at $298 found 6 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sat, Jul 18 - Tue, Jul 21
DEN
Denver
MCK
McCook
$319 Roundtrip, found 11 hours ago
$319
Roundtrip
found 11 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Jul 18 from Denver to McCook, returning Tue, Jul 21, priced at $319 found 11 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Fri, Jul 17 - Sat, Jul 18
DEN
Denver
MCK
McCook
$338 Roundtrip, found 17 hours ago
$338
Roundtrip
found 17 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Fri, Jul 17 from Denver to McCook, returning Sat, Jul 18, priced at $338 found 17 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Jul 16 - Wed, Jul 22
DEN
Denver
MCK
McCook
$349 Roundtrip, found 6 days ago
$349
Roundtrip
found 6 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Jul 16 from Denver to McCook, returning Wed, Jul 22, priced at $349 found 6 days ago
Delta
Thu, Jul 30 - Tue, Aug 4
SLC
Salt Lake City
MCK
McCook
$390 Roundtrip, found 6 days ago
$390
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jul 30 from Salt Lake City to McCook, returning Tue, Aug 4, priced at $390 found 6 days ago
American Airlines
Wed, Sep 30 - Thu, Oct 1
BOS
Boston
MCK
McCook
$426 Roundtrip, found 6 days ago
$426
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 30 from Boston to McCook, returning Thu, Oct 1, priced at $426 found 6 days ago
United
Wed, Sep 9 - Wed, Sep 16
SEA
Seattle
MCK
McCook
$437 Roundtrip, found 5 days ago
$437
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 9 from Seattle to McCook, returning Wed, Sep 16, priced at $437 found 5 days ago

Trending flights to Thomas 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.

KEY LIME AIR DBA DENVER AIR CONNECTION
Tue, Aug 25 - Wed, Aug 26
DEN
Denver
MCK
McCook
$198 Roundtrip, just found
$198
Roundtrip
just found
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Tue, Aug 25 from Denver to McCook, returning Wed, Aug 26, priced at $198 just found

Frequently asked questions

How do I find cheap flights to Thomas County that have flexible change policies?
Search for your low-cost flights to Thomas County, then select "No change fee" directly under the "Flexible change policies" heading. It's as simple as that. We know that things can change and flexibility is important, so book with confidence with Expedia.
Which airlines fly to Thomas County?
You can take your pick of a good range of airlines that fly into or near Thomas County. Some of your best options are:

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

How can I find cheap tickets to Thomas County?
You'll always pick up an amazing deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred travel date, then check the flexible dates box above to see prices for nearby days. $198 was the lowest price for a flight to Thomas County in the last seven days.
How much is a flight to Thomas County?
In the last seven days, round-trip airfares to Thomas County sold from just $198 and reached a maximum of $437. For one-way fares departing from Denver (DEN), the lowest amount paid during this time was just $99.
What are the most popular airports to fly into in Thomas County?
Prepare to pack your bags and jet into Denver Intl. Airport (DEN), Thomas County's primary flight hub. Book one of the 24,249 flights that touch down at this popular destination each month.
When is the cheapest time to fly to Thomas County?
Jetting off on a Tuesday, followed by a Monday, is generally the best way to score the cheapest fare. Steer clear of weekends if possible, because Saturday is typically the most expensive day of the week. Spend the funds you saved having a blast in Thomas County instead!
How much is a plane ticket to Thomas County?
In the last seven days, fares to Thomas County varied from $198 to $437.
What months are the cheapest to book a flight to Thomas County?
The ideal month to score a fantastic deal to Thomas County is February, while prices are at a premium in December. Steer clear of this month if you want to save your dollars.
How long is a flight to Thomas County?
It could take you a couple of hours or longer — it depends on which part of the USA you're flying from. The average flight times for these top domestic routes to Thomas County will give you a clearer picture of what you can expect:

  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Denver Intl. Airport (DEN) - 2 hours and 14 minutes
  • Chicago, IL (ORD-OHare Intl.) to Denver Intl. Airport (DEN) - 2 hours and 42 minutes
  • Phoenix, AZ (PHX-Sky Harbor Intl.) to Denver Intl. Airport (DEN) - 2 hours

What is the best time to go to Thomas County?
A terrific time to tour around Thomas County, along with the prominent city of Colby, is over the buzzing months of May, June and July. Summer here begins June 20, and you can look forward to average temperatures of between 65ºF and 90ºF if you travel then. This warmer weather is ideal for strolling around this city's attractions.

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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.