Cheap Flights to Union County from $29

View $29 flight on Mon, May 4, 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Spirit Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Mar 26 - Mon, Mar 30
DEN
Denver
OMA
Omaha
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Mar 26 from Denver to Omaha, returning Mon, Mar 30, priced at $58 found 3 hours ago
Frontier Airlines
Fri, Apr 17 - Mon, Apr 20
DEN
Denver
OMA
Omaha
$62 Roundtrip, found 20 hours ago
$62
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Denver to Omaha, returning Mon, Apr 20, priced at $62 found 20 hours ago
Frontier Airlines
Fri, May 1 - Mon, May 4
DEN
Denver
OMA
Omaha
$73 Roundtrip, found 1 day ago
$73
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 1 from Denver to Omaha, returning Mon, May 4, priced at $73 found 1 day ago
Frontier Airlines
Thu, Apr 9 - Thu, Apr 16
DEN
Denver
OMA
Omaha
$77 Roundtrip, found 6 days ago
$77
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Denver to Omaha, returning Thu, Apr 16, priced at $77 found 6 days ago
Frontier Airlines
Fri, May 1 - Fri, May 15
DEN
Denver
OMA
Omaha
$80 Roundtrip, found 3 days ago
$80
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, May 1 from Denver to Omaha, returning Fri, May 15, priced at $80 found 3 days ago
Frontier Airlines
Fri, Apr 24 - Mon, Apr 27
DEN
Denver
OMA
Omaha
$82 Roundtrip, found 6 hours ago
$82
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Denver to Omaha, returning Mon, Apr 27, priced at $82 found 6 hours ago
American Airlines
Wed, Apr 15 - Wed, Apr 22
LAX
Los Angeles
DSM
Des Moines
$139 Roundtrip, just found
$139
Roundtrip
just found
Select American Airlines flight, departing Wed, Apr 15 from Los Angeles to Des Moines, returning Wed, Apr 22, priced at $139 just found
Southwest Airlines
Sat, May 16 - Tue, May 19
DEN
Denver
OMA
Omaha
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, May 16 from Denver to Omaha, returning Tue, May 19, priced at $144 found 1 hour ago
United
Wed, Apr 22 - Fri, Apr 24
ORD
Chicago
DSM
Des Moines
$168 Roundtrip, found 5 days ago
$168
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 22 from Chicago to Des Moines, returning Fri, Apr 24, priced at $168 found 5 days ago
Delta
Mon, May 4 - Wed, May 6
SEA
Seattle
OMA
Omaha
$169 Roundtrip, found 5 days ago
$169
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, May 4 from Seattle to Omaha, returning Wed, May 6, priced at $169 found 5 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Trending flights to Union 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.

Frontier Airlines
Thu, Mar 26 - Mon, Mar 30
DEN
Denver
OMA
Omaha
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Mar 26 from Denver to Omaha, returning Mon, Mar 30, priced at $58 found 3 hours ago

Frequently asked questions

How do I find cheap flights to Union County that have flexible change policies?
By using our handy "No change fee" filter, that's how. Just enter your origin, destination and travel dates, click "Search," then tick the checkbox directly under the "Flexible change policies" subheading (to the left of your screen). Expedia makes it easy to find inexpensive, flexible fares to Union County.
Which airlines fly to Union County?
Find a seat with one of these airlines and the dynamic region of Union County will be yours to discover:

  • Southwest Airlines - 1,395 flights to or near Union County each month, including 1,395 flights to Kansas City Intl. Airport (MCI) per month.
  • Delta Air Lines - 788 flights to or near Union County each month, including 788 flights to Kansas City Intl. Airport (MCI) per month.
  • American Airlines - 715 flights to or near Union County each month, including 715 flights to Kansas City Intl. Airport (MCI) per month.

How can I find cheap tickets to Union County?
You'll always nab a terrific deal with Expedia, but our "flexible dates" search function makes it even easier. Enter your preferred flight date, then tick the flexible dates box above to reveal the cheapest prices for nearby days. $58 was the cheapest price for a flight to Union County in the last seven days.
How much is a flight to Union County?
The price of a round-trip flight to Union County in the last seven days ranged between $58 and $169. If you were heading one way from Denver (DEN), you could have gotten a fare from just $29.
What are the most popular airports to fly into in Union County?
When it comes to picking which Union County airport to touch down at, here are your options:

  • Kansas City Intl. Airport (MCI) - 3,714 flights per month.
  • Charles B. Wheeler Downtown Airport (MKC) - 4 flights per month.

When is the cheapest time to fly to Union County?
Consider leaving early on in the week to get the best deal to Union County. Tuesday is commonly the most affordable day to take off, with Monday running a close second. Saturday typically has the costliest ticket prices. This is because lots of travelers choose to start their vacation on a weekend.
How much is a plane ticket to Union County?
In the last seven days, journeys to Union County cost between $58 and $169. Prices depend on a number of things, particularly the time of departure, seating class, airline and when you make your booking.
What months are the cheapest to book a flight to Union County?
February is the perfect month to score bargain flights to Union County. Bear in mind that the priciest time to purchase tickets in the USA isn't during the height of summer, but the festive month of December.
How long is a flight to Union County?
Your flight to Union County could be long or it could be short depending on where you set off from. Before you cram your laptop with movies and podcasts, have a look at the average flight times for these popular domestic routes:

  • Denver, CO (DEN-Denver Intl.) to Kansas City Intl. Airport (MCI) - 1 hour and 41 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Kansas City Intl. Airport (MCI) - 1 hour and 35 minutes
  • Chicago, IL (ORD-OHare Intl.) to Kansas City Intl. Airport (MCI) - 1 hour and 33 minutes

What is the best time to go to Union County?
A lovely time to check out Shannon City is after June 20 when summer starts. In Union County's most populous city, temperatures vary from 65ºF to 80ºF during this time — beautiful weather for seeing the sights! May, July and October are the most popular months to head to this hot spot.

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.