Cheap flights To Union (STL) from $21

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from CMH-All Airports to Union

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 19 - Wed, May 29
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 11 hours ago
$139
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sun, May 19 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, May 29, priced at $139 found 11 hours ago

Cheap Flights to Union from $21 One Way, $43 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Jul 10 - Wed, Jul 10
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$43 Roundtrip, found 5 hours ago
$43
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Jul 10 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, Jul 10, priced at $43 found 5 hours ago
Tue, Jun 4 - Tue, Jun 11
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$46 Roundtrip, found 1 day ago
$46
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jun 4 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Jun 11, priced at $46 found 1 day ago
Tue, Jun 4 - Sat, Jun 15
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$110 Roundtrip, found 1 day ago
$110
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jun 4 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Sat, Jun 15, priced at $110 found 1 day ago
Tue, May 28 - Mon, Jun 10
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 28 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Mon, Jun 10, priced at $133 found 1 day ago
Thu, May 16 - Wed, May 22
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 16 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, May 22, priced at $134 found 2 days ago
Tue, May 21 - Wed, May 29
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$135 Roundtrip, found 8 hours ago
$135
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Tue, May 21 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, May 29, priced at $135 found 8 hours ago
Sun, May 19 - Wed, May 22
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$138 Roundtrip, found 2 days ago
$138
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, May 19 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, May 22, priced at $138 found 2 days ago
Sun, May 19 - Wed, May 29
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 11 hours ago
$139
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sun, May 19 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, May 29, priced at $139 found 11 hours ago
Tue, Jun 4 - Wed, Jun 19
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jun 4 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, Jun 19, priced at $140 found 1 day ago
Tue, Jul 2 - Sat, Jul 13
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 2 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Sat, Jul 13, priced at $156 found 1 day ago
Sun, Jun 2 - Sat, Jun 15
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jun 2 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Sat, Jun 15, priced at $158 found 1 day ago
Thu, May 23 - Wed, May 29
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 23 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Wed, May 29, priced at $159 found 2 days ago

Union STL Flight Information

Traveling To
Union
Destination Airport IATA Code
STL
Number of Airlines Serving
1
Airlines
Frontier Airlines
Flight Price
$43
Earliest Departing Flight
WN 6200 9:50AM EDT
Latest Departing Flight
WN 5381 May 17 8:55PM EDT

Book Your Flight & Hotel Together & Save

Union economy flight packages

Price found within the past 48 hours. Click for updated prices.
Red Lion Inn & Suites Pontoon Beach
2.5-star property

Red Lion Inn & Suites Pontoon Beach

Jun 17 - Jun 19

2 night stay

Detroit (DTW) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach

St. Louis (STL) to Detroit (DTW)

American Airlines • Non-stop • Coach
per person
Casino Queen Hotel
3.0-star property

Casino Queen Hotel

Jun 17 - Jun 19

2 night stay

Detroit (DTW) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach

St. Louis (STL) to Detroit (DTW)

American Airlines • Non-stop • Coach
per person
Loyalty Inn Maryville
2.0-star property

Loyalty Inn Maryville

Jun 17 - Jun 19

2 night stay

Detroit (DTW) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach

St. Louis (STL) to Detroit (DTW)

American Airlines • Non-stop • Coach
per person
Don't see what you're looking for?
See all available trips from CMH-All Airports to Union
View all trips

Union

Struggling to find international and domestic flights that suit your budget. Consider one of the cheaper options available when you book your flight with Orbitz, where you get guaranteed low prices

Orbitz becomes your Mobile friend

You can now book flights to Union on the new cutting-edge mobile tool for Android or iPhone users. Hotel packages, flight updates and changes can all be accessed using this tool. When you make any reservations or bookings using this service, confirmation will be provided on the same day the request was made. Take advantage of Orbitz friendly service and low cost Union flights.

Discounted tickets available for flights to Union

Orbitz offers tickets at a discounted, budget friendly rate that will satisfy all of your travel requirements. Book your Union flights with us and structure a package that includes car hire, family activities and cheap accommodation. Orbitz will ensure that all your requirements are met, letting you relax and enjoy your holiday as it was intended.

Orbitz offers discounted Union flights

Discounted flights to Union ensure that all who want to travel can Take advantage of Orbitz’ guaranteed low prices and affordable packages. You will enjoy a hassle free trip, an up to date travel planner and friendly service.

Traveler profile updates

When flying with Orbitz, take advantage of frequent updates on your flights to Union. Details and updates are sent to up to six contact numbers to ensure that you are kept abreast of the latest information on Union flights. Frequent flyer and loyalty membership numbers may be updated within your Orbitz account profile.

Frequently asked questions

Which airlines fly to Union?
With 2 airlines to pick from, finding the ideal flight that suits your travel dates and budget will be a breeze. Lambert-St. Louis Intl. Airport (STL) is a major gateway to Union and where you’ll likely be touching down. These well-known international airlines are ready to take you there:

  • Air Canada - 35 flights to Union per month
  • Frontier Airlines - 17 flights to Union per month
  • Lufthansa - 3 flights to Union per month

How much is a flight to Union?
If you’re hunting down a return flight, fares ranged from $43 to $159 this week. The most affordable prices for one-way tickets were $21, originating from Columbus (CMH).
How to book the cheapest flight to Union?
Scoring cheap flights to Union is as easy as booking your ticket with Orbitz. But if you’d love to make sure you’re nabbing the best flight deals around, here are a few tips your budget will love:

  • Consider departing from or arriving at nearby airports for a cheaper fare. Enter your preferred departure and arrival points in the form fields, then select the ‘Nearby airports’ function below. It will list the available options.
  • If your plans aren’t etched in stone, click on the ‘Show flexible dates’ link to see the flight deals across different departure dates. Go with any suitable cheaper fare that pops up.
  • Hit ‘Show options’ to fine tune your search results. You can pick your preferred seating class and airline here. Under ‘Sort & Filter’ to the left, you can even specify whether you’d like to fly in the morning, afternoon or evening.
  • Book your airfare as soon as you’ve decided on your travel dates. While it does happen now and then, airline tickets rarely get more affordable as your date of departure gets closer.
  • Consider combining your flights, hotels and car rentals into one convenient package deal to stretch your budget even further.
  • Don’t travel during the busy season if you can. By avoiding summer and school vacations, you can make amazing savings on your airfare.

What is the best time to book a flight to Union?
Snap up a bargain and book your seats to Union in January. If you’ve missed this month, fear not. February and August often have low airfares as well. Just make sure you don’t snooze on a sale — cheap flights come and go in the blink of an eye!
What day of the week is the cheapest to book a flight to Union?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days of the week to purchase airfares to Union. The vacation of your dreams starts with a great flight deal!
What is the cheapest day of the week to fly to Union?
If you’re looking for cheap flights to Union, leave earlier in the week. Orbitz data from 2020 shows Monday is the cheapest day to jet off, followed by Tuesday. Saturday has the most expensive fares, so avoid this day and do your bank account a favor.
What is the cheapest month to fly to Union?
To book cheap flights to Union, you should pack your bags and take off in August. Orbitz data has found that this is generally the best month to save loads on your fare. If you want to jet to Union in June, be aware that this is the least affordable time of year to take a trip.
Which airlines allow free cancellation?
When searching for flights on Orbitz, click on “Filter by flexible change policies.” This filter will show you all the airlines offering free cancellation and no change fees. Relax knowing that if things change, your flight can too.
What do I need for the flight to Union?
There’s nothing more enjoyable than flying off to a cool new destination, but it’s wise to be prepared. This list of useful tips will help get your journey started on the right foot:

  • Before you step foot on the plane, you’ll need to show proof of identification, such as a passport. You’ll also need your boarding pass. If you’re traveling with the kids, check with your airline about which documents they may need.
  • To keep you busy on your short trip to Union, download some new music or stock up the audiobook library on your tablet. Food can also be a welcome distraction while in the air, so maybe even bring some light snacks.
  • It can get very cool on the plane. If you don’t want to shiver your way through the flight, dress in layers.

How do I get cheap first-class/business deals to Union?
Smart travelers know how to find first or business-class airfares to Union without the steep price tag. You can do the same with these helpful tips:

  • Be more flexible with your travel dates and hold out for deals on first or business-class airfares.
  • A lot of low-cost airlines nowadays offer superb business or premium-class seating without the pricey fees.
  • Make a bid for an upgrade. Some carriers hold online auctions that let you put down a price for a seat up the front. You may also be able to upgrade with points earned through a loyalty program.

What is the best time to go to Union?
If you want to immerse yourself in the culture of Union in the busy season, April, May and June are the prime months to visit. June 20 signals the start of summertime in the Northern Hemisphere and is a fantastic time to travel if you delight in the open air. During this time of year, average daily temperatures typically range from 65 ºF to 90 ºF.

Nearby

More Popular Airlines

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.