Cheap flights To Southern Illinois (STL) from $64

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Cheap Flights to Southern Illinois from $64 One Way, $138 Round Trip

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

Wed, Jan 21 - Tue, Feb 3
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$138 Roundtrip, found 6 days ago
$138
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Jan 21 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, Feb 3, priced at $138 found 6 days ago
Wed, Jan 21 - Sat, Jan 24
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$140 Roundtrip, found 14 hours ago
$140
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Jan 21 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Sat, Jan 24, priced at $140 found 14 hours ago
Wed, Jan 28 - Sat, Feb 7
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$141 Roundtrip, found 6 days ago
$141
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Jan 28 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Sat, Feb 7, priced at $141 found 6 days ago
Wed, Jan 21 - Wed, Jan 28
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$148 Roundtrip, found 8 hours ago
$148
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Jan 21 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Wed, Jan 28, priced at $148 found 8 hours ago
Wed, Jan 21 - Sat, Jan 24
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$150 Roundtrip, found 18 hours ago
$150
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Jan 21 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Jan 24, priced at $150 found 18 hours ago
Tue, Jan 20 - Tue, Jan 27
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$155 Roundtrip, found 14 hours ago
$155
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Jan 20 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, Jan 27, priced at $155 found 14 hours ago
Tue, Jan 20 - Sat, Jan 24
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 14 hours ago
$157
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Jan 20 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Sat, Jan 24, priced at $157 found 14 hours ago
Tue, Jan 20 - Wed, Jan 21
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 14 hours ago
$158
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Jan 20 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Wed, Jan 21, priced at $158 found 14 hours ago
Tue, Jan 6 - Sat, Jan 24
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jan 6 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Sat, Jan 24, priced at $160 found 6 days ago
Tue, Feb 24 - Fri, Mar 6
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Feb 24 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Fri, Mar 6, priced at $224 found 4 days ago

Southern Illinois Flight Information

Traveling To
Southern Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines, Delta, American Airlines, Southwest Airlines
Flight Price
$138
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Southern Illinois economy flight packages

Price found within the past 48 hours. Click for updated prices.
Crowne Plaza St. Louis Airport by IHG
3.5-star property

Crowne Plaza St. Louis Airport by IHG

Jan 22 - Jan 26

4 night stay

Seattle (SEA) to St. Louis (STL)

American Airlines • Non-stop roundtrip • Coach
Price was $475, price is now $343 per person
$343
per person
found 8 hours ago
The Knight Center at Washington University
2.5-star property

The Knight Center at Washington University

Jan 22 - Jan 26

4 night stay

Seattle (SEA) to St. Louis (STL)

American Airlines • Non-stop roundtrip • Coach
Save 100% on your flight
Price was $608, price is now $431 per person
$431
per person
found 8 hours ago
The Cheshire
4.0-star property

The Cheshire

Jan 22 - Jan 26

4 night stay

Seattle (SEA) to St. Louis (STL)

American Airlines • Non-stop roundtrip • Coach
Price was $593, price is now $425 per person
$425
per person
found 8 hours ago
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Southern Illinois

Save more on flights to Southern Illinois 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 Southern Illinois

Now it is easier than ever to find a discount Southern Illinois 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 Southern Illinois

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 Southern Illinois 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 Southern Illinois a breeze.

Frequently asked questions

What is the best airport to fly to in Southern Illinois?
Touch down at Williamson County Regional Airport (MWA), the main entry point to Southern Illinois. Organizing your flight to this region doesn't get much easier.
How much is a flight to Southern Illinois?
Return flight prices dipped as low as $138 this past week to Southern Illinois, and rose to a high of $224. A few lucky travelers flying out of New York (JFK) managed to bag one-way tickets from just $64.
How to book the cheapest flight to Southern Illinois?
With some of the most affordable flight deals around, you can jet for less with Orbitz. The following handy hints will help you find cheap flights to Southern Illinois — and leave you with more money to play with:

  • Departing from or arriving at nearby airports can sometimes help you save on airfares. Type in your preferred departure and arrival points. Next, select the 'Nearby airports' function below the form fields to compare your options.
  • If your travel plans aren't written in stone, click on the 'Show flexible dates' link to see the flight deals for different departure dates. Go with any suitable cheaper fare that pops up.
  • To optimize your results, hit 'Show options.' You can search based on seating class, airlines, nonstop flights and refundable flights. You can also choose your preferred departure and arrival times under 'Sort & Filter' to the left.
  • Once you know your travel dates, lock in your flight. Ticket prices generally get more expensive as the departure date nears.
  • Combine your hotels, flights and car rentals into an impressive package deal. Save your cash for things you're really excited about, like discovering every corner of Southern Illinois.
  • Flying during peak season means higher airfares. Try to vacation outside of popular periods, such as school breaks, Thanksgiving and Easter.

What is the best time to book a flight to Southern Illinois?
Generally speaking, the cheapest month to purchase your airfare is January. This is closely followed by February and August. When seeking a cheap flight to Southern Illinois, make sure you're ready to book. Cheap deals appear quickly and don't hang around!
What day of the week is the cheapest to book a flight to Southern Illinois?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to Southern Illinois. If you're after unbeatable airfares, search across those days and you just might find an incredible flight deal.
What is the cheapest day of the week to fly to Southern Illinois?
According to Orbitz data from 2020, Monday is generally the best day of the week for cheap flights to Southern Illinois. Tuesday also has wallet-friendly fares, whereas Saturday has the most expensive ticket rates. Even though leaving at the weekend is often more convenient, you'll have more cash to play with if you head out at the start of the week.
What is the cheapest month to fly to Southern Illinois?
Based on Orbitz data, it's best to fly out in August. This is generally a great month to pick up cheap flights to Southern Illinois. It's worth noting that the most expensive time to depart is during the month of June.
Which airlines allow free cancellation?
Flexible travel is more important than ever, that's why Orbitz lets you search for carriers that won't penalize you for any amendments. Fill out your departure and arrival points, then select "Filter by flexible change policies." We'll show you all the options that include free cancellation and no change fees.
What do I need for the flight to Southern Illinois?
The trick to a comfortable and stress-free flight is being well prepared. Listed below are some of our top tips that'll help get you ready for your journey:

  • Whether you print it out at home or use an electronic one, you'll need your boarding pass to walk on to the plane. You'll also need some type of government-issued photo ID. If you're traveling internationally, make sure your passport is valid.
  • Make time fly by even faster on your short hop by packing the right gear. Think a water bottle, snacks and entertainment. If you want your trip to Southern Illinois to pass nice and peacefully, put some headphones in your bag as well.
  • It can get very cool on the plane. If you don't like the thought of shivering your way through the flight, wear an extra layer of clothes.

How many direct flights are there to Southern Illinois?
Head to Southern Illinois quickly on one of the 13 direct flights that touch down here every month. For a comfortable and stress-free trip, have a look at the nonstop flights with Cape Air.
How do I get cheap first-class/business deals to Southern Illinois?
Experienced travelers have mastered the art of finding business or first-class flights to Southern Illinois that don't cost a packet. Follow their example with these helpful hints:

  • Be flexible with your travel dates and hold out for huge sales on business or first-class airfares.
  • Many low-cost carriers offer comfortable business or premium-class seating that doesn't cost an arm and a leg.
  • Make a bid for an upgrade. Some airlines 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 rewards program.

What is the best time to go to Southern Illinois?
People come from all over the place to go to Southern Illinois in June, July and August. So if you want to explore this amazing destination in the busy season, this is the time to go. As with many places in the Northern Hemisphere, the summer starts June 20 in Southern Illinois, with average daily temperatures ranging between 65 ºF and 80 ºF.

More to Explore

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.