Cheap Flights to Southwest Illinois from AU$1,032

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Cheap Tickets to Southwest Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu., 25 Jul. - Wed., 18 Dec.
SYD
Kingsford Smith Intl.
STL
Lambert-St. Louis Intl.
AU$1,637 Return, found 3 hours ago
AU$1,637
Return
found 3 hours ago
Select American Airlines flight, departing Thu., 25 Jul. from Kingsford Smith Intl. to Lambert-St. Louis Intl., returning Wed., 18 Dec., priced at AU$1,637 found 3 hours ago
Jetstar
Tue., 27 Aug. - Thu., 19 Sep.
AVV
Avalon
STL
Lambert-St. Louis Intl.
AU$1,847 Return, found 1 day ago
AU$1,847
Return
found 1 day ago
Select Jetstar flight, departing Tue., 27 Aug. from Avalon to Lambert-St. Louis Intl., returning Thu., 19 Sep., priced at AU$1,847 found 1 day ago
EVA Airways
Sat., 21 Sep. - Sat., 5 Oct.
BNE
Brisbane
STL
Lambert-St. Louis Intl.
AU$1,860 Return, found 4 days ago
AU$1,860
Return
found 4 days ago
Select EVA Airways flight, departing Sat., 21 Sep. from Brisbane to Lambert-St. Louis Intl., returning Sat., 5 Oct., priced at AU$1,860 found 4 days ago
Jetstar
Tue., 3 Sep. - Sun., 20 Oct.
MEL
Tullamarine
STL
Lambert-St. Louis Intl.
AU$1,884 Return, found 23 hours ago
AU$1,884
Return
found 23 hours ago
Select Jetstar flight, departing Tue., 3 Sep. from Tullamarine to Lambert-St. Louis Intl., returning Sun., 20 Oct., priced at AU$1,884 found 23 hours ago
United
Sun., 1 Sep. - Sat., 28 Sep.
MEL
Tullamarine
STL
Lambert-St. Louis Intl.
AU$2,122 Return, found 2 hours ago
AU$2,122
Return
found 2 hours ago
Select United flight, departing Sun., 1 Sep. from Tullamarine to Lambert-St. Louis Intl., returning Sat., 28 Sep., priced at AU$2,122 found 2 hours ago

Southwest Illinois Flights

Have the time of your life in Southwest Illinois

Flying to Southwest Illinois is now easier than ever when you use Expedia to book your trip. We’ve got an extensive catalogue of Southwest Illinois flight deals, giving you the greatest number of options to choose from. Whether you prefer to fly on weekdays or weekends, in the morning or at night, a quick search on Expedia.com.au will help you find cheap tickets to Southwest Illinois in seconds. We even make it simple for you to stick with a certain airline if you’re trying to rack up frequent flyer points.

Tips for flying and packing light

If it’s been a while since you’ve travelled, you might be due for a refresher when it comes to flying. That’s where our helpful blog, Out There Starts Here, comes in. Wondering whether to pack for fine dining or more casual eats? Or whether you really need to bring a jacket? Written by seasoned travel experts, the articles on our blog provide you with the latest details about certain destinations, so you know just what to expect. Check out some of our recent articles for the smartest ways to see the sights.

Fly for less when you bundle airfare and accommodation

Our already low airfares are even more affordable when you bundle your flights with a stay at one of the hotels in Southwest Illinois. By booking all of your travel plans with us, you’ll save time and money, and enjoy the convenience of having all of your arrangements in one place.

Get the power of planning in the palm of your hand

Booking your trip to Southwest Illinois, Illinois has never been easier than when you use our mobile app to plan your dream getaway. The Expedia App is available on both Android and iOS, allowing you to reserve flights and hotels at any time of day, no matter what kind of phone you use. You’ll also get exclusive offers, receive flight updates, and can earn extra points. Wherever you are, the Expedia App helps you get where you want to be.

Join the Expedia Rewards Program

If you enjoy the finer things in life, sign up for our rewards program to receive exclusive benefits when you book with us. Expedia Rewards opens the door to member-only deals, +VIP Access hotel benefits, and earning Expedia Rewards points, that you can redeem your way. You’ll also get access to Unreal Deals that could save you the price of a plane ticket to Southwest Illinois when bundled with your accommodation.

What are you waiting for?

Expedia.com.au helps you find cheap flights to Southwest Illinois AU$1,637. So why wait another second to begin planning your trip? Start your search right now, and you could be boarding the next Southwest Illinois-bound flight. Bon voyage!

Frequently asked questions

How do I find cheap flights to Southwest Illinois that have flexible change policies?
By using our neat “No change fee” filter, that’s how. Just enter your travel details, click “Search,” then tick the checkbox directly underneath the “Flexible change policies” heading (top left-hand side of your screen). Expedia makes it a cinch to find flexible and affordable tickets to Southwest Illinois.
Which airlines fly to Southwest Illinois?
When you’re ready to reserve your ticket to or near Southwest Illinois, these popular carriers are waiting to welcome you on board:

  • Southwest Airlines - 2 214 flights to or near Southwest Illinois each month, including 2 214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 971 flights to or near Southwest Illinois each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 728 flights to or near Southwest Illinois each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Southwest Illinois?
In the last seven days, AU$1,637 was the best price for a flight to Southwest Illinois. If you’d love to save even more, book in advance and be flexible with your travel dates. Search for your flight to Southwest Illinois, then see prices for similar time frames by clicking on the “flexible dates” link above.
How much is a flight to Southwest Illinois?
In the last seven days, round-trip tickets to Southwest Illinois sold for as little as AU$1,637 and reached a maximum price of AU$2,122. For one-way trips departing from Sydney (SYD), the lowest amount paid during this time was only AU$1,032.
What are the most popular airports to fly into in Southwest Illinois?
Choosing your airport comes down to factors including your airline, budget and where you plan to explore. These are your choices in Southwest Illinois:

  • Lambert-St. Louis Intl. Airport (STL) - 4 902 flights per month.
  • Evansville Regional Airport (EVV) - 277 flights per month.

When is the cheapest time to fly to Southwest Illinois?
Consider jetting off earlier in the week to book the best airfare to Southwest Illinois. Tuesday is usually the most affordable day to fly, with Monday right behind it. Saturday often has the most expensive ticket prices. This is because a lot of people choose to begin their trip on a weekend.
How much is a plane ticket to Southwest Illinois?
In the last seven days, plane tickets to Southwest Illinois ranged between AU$1,637 and AU$2,122. Prices depend on multiple things, particularly the time of departure, carrier, cabin class and when the fare is booked.
What months are the cheapest to book a flight to Southwest Illinois?
The most affordable month to score a terrific deal to Southwest Illinois is February, while the priciest month is December. Avoid this month if you’re looking to save money.
Flights to Southwest Illinois information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Return price
AU$1,636

Trending flights to Southwest Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu., 25 Jul. - Wed., 18 Dec.
SYD
Kingsford Smith Intl.
STL
Lambert-St. Louis Intl.
AU$1,637 Return, found 3 hours ago
AU$1,637
Return
found 3 hours ago
Select American Airlines flight, departing Thu., 25 Jul. from Kingsford Smith Intl. to Lambert-St. Louis Intl., returning Wed., 18 Dec., priced at AU$1,637 found 3 hours ago
*Available to Expedia members.