A desert landscape with prominent white rock formations.

Cheap Flights to Thomas County from $99

View $99 flight on Thu, Jul 23, 2026Opens in a new window

Popular airlines to Thomas County

  • American Airlines

  • United

  • Qatar Airways

  • Royal Jordanian

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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
Thu, Jul 23 - Wed, Jul 29
DEN
Denver
MCK
McCook
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Jul 23 from Denver to McCook, returning Wed, Jul 29, priced at $198 found 3 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sun, Aug 9 - Mon, Aug 17
DEN
Denver
MCK
McCook
$248 Roundtrip, found 1 hour ago
$248
Roundtrip
found 1 hour ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sun, Aug 9 from Denver to McCook, returning Mon, Aug 17, priced at $248 found 1 hour ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Fri, Jul 31 - Sun, Aug 2
DEN
Denver
MCK
McCook
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Fri, Jul 31 from Denver to McCook, returning Sun, Aug 2, priced at $268 found 1 day 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
Thu, Jul 30 - Sun, Aug 2
DEN
Denver
MCK
McCook
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Jul 30 from Denver to McCook, returning Sun, Aug 2, priced at $319 found 6 days ago
United
Wed, Sep 9 - Sat, Sep 12
SAN
San Diego
MCK
McCook
$418 Roundtrip, just found
$418
Roundtrip
just found
Select United flight, departing Wed, Sep 9 from San Diego to McCook, returning Sat, Sep 12, priced at $418 just found
KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Aug 13 - Fri, Aug 14
CEZ
Cortez
MCK
McCook
$421 Roundtrip, found 10 hours ago
$421
Roundtrip
found 10 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Aug 13 from Cortez to McCook, returning Fri, Aug 14, priced at $421 found 10 hours ago
United
Wed, Sep 9 - Sat, Sep 12
SAN
San Diego
MCK
McCook
$423 Roundtrip, just found
$423
Roundtrip
just found
Select United flight, departing Wed, Sep 9 from San Diego to McCook, returning Sat, Sep 12, priced at $423 just found
American Airlines
Wed, Sep 30 - Thu, Oct 1
BOS
Boston
MCK
McCook
$426 Roundtrip, found 10 hours ago
$426
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Sep 30 from Boston to McCook, returning Thu, Oct 1, priced at $426 found 10 hours ago
Delta
Wed, Sep 9 - Wed, Sep 16
SEA
Seattle
MCK
McCook
$426 Roundtrip, found 12 hours ago
$426
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Sep 9 from Seattle to McCook, returning Wed, Sep 16, priced at $426 found 12 hours 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
Thu, Jul 23 - Wed, Jul 29
DEN
Denver
MCK
McCook
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Jul 23 from Denver to McCook, returning Wed, Jul 29, priced at $198 found 3 hours ago

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 $426. 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 $426.
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.