ADL - STL

Find Cheap Flights from Adelaide to St. Louis – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 17% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to St. Louis!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Adelaide to St. Louis (ADL-STL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Adelaide to St. Louis

Multiple Airlines Logo
ADL  Adelaide-STL St. Louis Lambert Airport
25241 kmmulti-stop
Multiple Airlines Logo
STL  St. Louis Lambert Airport-ADL Adelaide
25241 kmmulti-stop
Multiple Airlines
Useful Info

When to book flights from Adelaide to St. Louis

Are your dates flexible? Find out the best times to travel from Adelaide to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Adelaide to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Do I need a passport to fly from Adelaide to St. Louis?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Which car hire options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car hire companies, with daily rates starting from around $43 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from Adelaide to St. Louis?

    Flights from Adelaide to St. Louis usually depart from Adelaide (ADL) and arrive at Lambert-St Louis (STL).

  • Can I save money by using flexible dates for flights from Adelaide to St. Louis?

    Yes. Being flexible with your travel dates can save you up to 53% on the Adelaide to St. Louis route. Tuesday is the cheapest departure day at $1,409 return on average, while Sunday is the most expensive at $2,986, a difference of $1,577. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Adelaide and St. Louis?

    St. Louis is 14 hours behind Adelaide (Central Time vs Central Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in St. Louis?

    America's Center Convention Complex is one of the most viewed places in St. Louis on KAYAK.

Your guide to booking Adelaide to St. Louis flights

Get tips on when to book, when to fly, and what to know before your trip.

More options for your flight from Adelaide to St. Louis

Complete your trip to St. Louis with a hotel stay or car hire

Car hire in St. Louis
Hotels in St. Louis