Cheap flights To Union (STL) from $30

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Cheap Flights to Union from $30 One Way, $60 Round Trip

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

Fri, Jul 18 - Fri, Jul 25
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$60 Roundtrip, just found
$60
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Jul 18 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 25, priced at $60 just found
Sun, Jul 20 - Thu, Jul 24
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$70 Roundtrip, found 15 hours ago
$70
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Sun, Jul 20 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Thu, Jul 24, priced at $70 found 15 hours ago
Mon, Jun 23 - Mon, Jun 30
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$74 Roundtrip, found 5 days ago
$74
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Mon, Jun 23 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Jun 30, priced at $74 found 5 days ago
Fri, Jul 18 - Wed, Jul 23
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$79 Roundtrip, found 5 hours ago
$79
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Fri, Jul 18 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Jul 23, priced at $79 found 5 hours ago
Sat, Aug 2 - Sat, Aug 9
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$109 Roundtrip, found 1 hour ago
$109
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, Aug 2 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Sat, Aug 9, priced at $109 found 1 hour ago
Wed, Jul 9 - Sat, Jul 12
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$110 Roundtrip, found 9 hours ago
$110
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Wed, Jul 9 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Jul 12, priced at $110 found 9 hours ago
Sat, Aug 16 - Sat, Aug 23
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$114 Roundtrip, found 1 day ago
$114
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 23, priced at $114 found 1 day ago
Sun, Jul 13 - Mon, Jul 14
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$124 Roundtrip, found 22 hours ago
$124
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Sun, Jul 13 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Mon, Jul 14, priced at $124 found 22 hours ago
Fri, Aug 1 - Tue, Aug 5
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$129 Roundtrip, found 1 day ago
$129
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 1 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $129 found 1 day ago
Thu, Sep 25 - Wed, Oct 1
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$138 Roundtrip, found 2 days ago
$138
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Oct 1, priced at $138 found 2 days ago

Union Flight Information

Traveling To
Union
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Spirit Airlines, Southwest Airlines, Frontier Airlines, American Airlines, Delta
Flight Price
$60
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Union economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Aug 8 - Aug 11

3 night stay

Houston (IAH) to St. Louis (STL)

United • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Ballpark Apartments by Barsala
4.0-star property

Ballpark Apartments by Barsala

Jul 17 - Jul 20

3 night stay

Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

Spirit Airlines • Non-stop • Coach

St. Louis (STL) to Newark Liberty Intl. Airport (EWR)

United • Non-stop • Coach
per person
found 1 day ago
Ameristar Casino Resort and Spa
4.5-star property

Ameristar Casino Resort and Spa

Aug 8 - Aug 11

3 night stay

Houston (IAH) to St. Louis (STL)

United • Roundtrip • Coach
per person
found 1 day ago
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Union

Save more on flights to Union while making top-quality travel arrangements. At Orbitz we provide access to low cost flights, hotel lodgings and other discounts, along with superior customer service and an unbeatable satisfaction guarantee.

Compare And Book Discount Flights to Union

Now it is easier than ever to find a discount Union flight. Orbitz users can compare airfares for both international and domestic flights and can quickly determine the best hotels and car rental companies to use. You may also check out hotel and other reviews along with a number of travel tips, making your visit to an unfamiliar destination enjoyable and hassle-free.

Use Your Mobile Phone To Secure A Low Cost Flight To Union

We now offer free apps for the most commonly used mobile devices. You can use your mobile phone to share relevant information pertaining to your trips, view images of local lodgings and take advantage of hotel and car rental discounts that may be available only to mobile device users.

Boost Your Frequent Flyer Rewards

You even retain your ability to earn frequent flier points and rewards when purchasing your tickets with Orbitz for Union flights. Enter your frequent flyer information into your Orbitz profile to start earning rewards.

You will find that Orbitz is a very low cost, yet very effective travel planner. Free updates via your mobile phone device will help to keep you and all relevant parties informed of important flight updates. With access to unbeatable sales on all travel essentials, Orbitz makes booking an affordable flight to Union a breeze.

Frequently asked questions

Which airlines fly to Union?
With 20 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 $60 to $138 this week. The most affordable prices for one-way tickets were $30, originating from Detroit (DTW).
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.

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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.