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. Flexible dates can save you up to 11% on flights from Adelaide to St. Louis. Friday is the cheapest departure day at $2,776 return on average, while Sunday is the most expensive at $3,098, a difference of $322. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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.

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.

Have flight prices from Adelaide to St. Louis changed much recently?

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about $3,725 to $4,459. That means the highest observed fare was about 19% higher than the lowest one.

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

St. Louis is 16 hours behind Adelaide (Central Time vs Central Australia Time). Plan for the time shift when scheduling connections or first-day activities.

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 averaging $112 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

How much is a return flight from Adelaide to St. Louis?

Return flights from Adelaide to St. Louis typically range from $2,748 to $2,776. The lowest price found in the past 5 days was $3,725 on Qantas Airways.

Which airline is the cheapest to fly from Adelaide to St. Louis?

Qantas Airways ($3,725) offered the cheapest return ticket from Adelaide to St. Louis in the last 5 days.

$3,725 CHEAP FLIGHTS from Adelaide to St. Louis (ADL - STL)

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Cheapest return flight

$3,725

Typical prices: $2,748-$2,776

Qantas Airways

Wed 19/12Wed 26/12

ADL - STL • 2 stops

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Flight Deals

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

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Return

One-way

Recent return flight deals from Adelaide to St. Louis

Sat, 19 Dec - Sat, 26 Dec

17:20 - 18:07ADL Adelaide-STL Lambert-St Louis

41h 17m2 stops Sydney Kingsford Smith Dallas/Fort Worth

18:57 - 09:25STL Lambert-St Louis-ADL Adelaide

45h 58m2 stops Dallas/Fort Worth Melbourne

$3,725Qantas Airways

3+ days ago

Sat, 19 Dec - Sat, 26 Dec

17:20 - 18:07ADL Adelaide-STL Lambert-St Louis

41h 17m3 stops Sydney Kingsford Smith Brisbane Dallas/Fort Worth

18:57 - 18:05STL Lambert-St Louis-ADL Adelaide

30h 38m2 stops Dallas/Fort Worth Brisbane

$4,299Qantas Airways

3+ days ago

Sat, 19 Dec - Sat, 26 Dec

17:20 - 18:07ADL Adelaide-STL Lambert-St Louis

41h 17m3 stops Sydney Kingsford Smith Brisbane Dallas/Fort Worth

18:57 - 15:45STL Lambert-St Louis-ADL Adelaide

28h 18m3 stops Dallas/Fort Worth Brisbane Melbourne

$4,459Qantas Airways

3+ days ago

Booking Insights

Price, demand, and travel trends for Adelaide to St. Louis flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a return flight from Adelaide to St. Louis? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from Adelaide to St. Louis departing in December.

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Cheapest flight	$3,725

Return flight from Adelaide to St. Louis

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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.
Have flight prices from Adelaide to St. Louis changed much recently?
Yes. Based on fares seen in the past 5 days, return prices on this route varied from about $3,725 to $4,459. That means the highest observed fare was about 19% higher than the lowest one.
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 averaging $112 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. Flexible dates can save you up to 11% on flights from Adelaide to St. Louis. Friday is the cheapest departure day at $2,776 return on average, while Sunday is the most expensive at $3,098, a difference of $322.

KAYAK's flexible dates feature shows options up to three 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 16 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.

If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $2,776, about $322 less than Sunday fares (10% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.

• Renaissance St. Louis Airport Hotel
• Drury Inn & Suites St. Louis Airport
• DoubleTree by Hilton St. Louis Airport

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ADL - STL

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Everything you should know

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

Recent return flight deals from Adelaide to St. Louis

Recent one-way flight deals from Adelaide to St. Louis

Price, demand, and travel trends for Adelaide to St. Louis flights

How much is a return flight from Adelaide to St. Louis?

Which airline is the cheapest to fly from Adelaide to St. Louis?

Key details for Adelaide to St. Louis flights

Cheapest flight

When to book flights from Adelaide to St. Louis

Your Adelaide to St. Louis flight questions, answered

Your guide to booking Adelaide to St. Louis flights

More options for your flight from Adelaide to St. Louis

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

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