Are direct flights from Chicago to Adelaide always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the cheapest option. Flights with one or more stops can sometimes be more affordable, depending on the route and airline.

Can flexible travel dates help on Chicago to Adelaide flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week flights or those during off-peak seasons often have lower fares than weekend or holiday travel. Adjusting your departure or return by a few days may result in savings.

What extra costs should I check before booking Chicago to Adelaide flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes or using certain payment methods. These can add to the total price.

Flights From Chicago

To Adelaide

Cheap Flights from Chicago to Adelaide

Browse current best options from Chicago. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Chicago

RatePunk searches hundreds of travel sites at once for deals on flights to Adelaide

Prices updated 6 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 19, 2026.)

Today’s best flight deals from Chicago to Adelaide

Explore current cheapest deals departing from Chicago to Adelaide

Round trip

Sort by: Cheapest

September 3 - September 8

Cheapest

ORD - Adelaide

$1,401

$1,443

Round trip

November 16 - November 23

Best

ORD - Adelaide

$1,354

$1,446

Round trip

August 24 - August 31

Best

ORD - Adelaide

$1,379

$1,447

Round trip

August 13 - September 8

ORD - Adelaide

$1,303

$1,454

Round trip

August 22 - September 8

ORD - Adelaide

$1,304

$1,476

Round trip

August 15 - September 8

ORD - Adelaide

$1,290

$1,477

Round trip

October 4 - October 8

ORD - Adelaide

$1,339

$1,479

Round trip

November 22 - November 28

ORD - Adelaide

$1,352

$1,480

Round trip

September 27 - September 30

Best

ORD - Adelaide

$1,423

$1,483

Round trip

August 10 - August 19

Best

Earliest

ORD - Adelaide

$1,375

$1,484

Round trip

Unlock all 500+ flight deals to Adelaide and get alerts when great deals appear

Chicago to Adelaide: Overview

Insights for flights from Chicago to Adelaide

A typical journey from Chicago to Adelaide takes about 31h 33m, including connections. This is a long-haul route, covering a substantial distance of 15,948 kilometers. Given the significant travel time, planning for connecting itineraries is essential.

For travelers seeking cheap flights from Chicago to Adelaide, fares right now are below the typical level. Prices for this route typically range from $805–$1922, with a median of $1022. Deals for this route are infrequent, so setting up a price alert can be beneficial to catch the best fares.

When is the cheapest time to fly from Chicago to Adelaide? The data indicates that April is typically the most affordable month, with a median fare of $543. Following April, May also offers competitive pricing, with a median fare of $805. January presents another option, with a median fare of $1022.

There are no direct flights from Chicago to Adelaide. Most itineraries on this route connect at least once, with the typical number of stopovers being 2. This means you should expect to make multiple stops during your journey from Chicago to Adelaide.

How much is a round trip from Chicago to Adelaide

Regular price: $1,230 - $2,098

Prices for flights from Chicago to Adelaide are currently within the regular range.

The regular price range for this route is $1230 to $2098. The current lowest deal is $1445 with Frontier Airlines, for travel from Aug 10-Aug 19.

now $1,445

Low $1,230

High $2,098

The cheapest time to fly from Chicago to Adelaide

The cheapest month to fly from Chicago to Adelaide is April, with a median price of $543. The most expensive month is January, with a median price of $1022. Prices are generally lower from April to May.

April

Cheapest

Flights from $543

January

Most Expensive

Flights from $1,022

Jan

Apr

May

Direct flights from Chicago to Adelaide

Frontier Airlines

Fiji Airways

Virgin Australia Regional Airlines

Qatar Airways

Last-minute flights going from Chicago to Adelaide

Mon, Jul 20

⌛ Last-Minute

ORD - Adelaide

Chicago (ORD) - Adelaide (ADL)

Qatar Airways

$1,486

$4,643

One-way

Tue, Jul 28

⌛ Last-Minute

MDW - Adelaide

Chicago (MDW) - Adelaide (ADL)

Frontier Airlines, Fiji Airways, Virgin Australia Regional Airlines

$1,636

$1,552

One-way

Tue, Jul 28

⌛ Last-Minute

MDW - Adelaide

Chicago (MDW) - Adelaide (ADL)

Frontier Airlines, Fiji Airways, Virgin Australia Regional Airlines

$1,636

$1,553

One-way

Tue, Jul 28

⌛ Last-Minute

MDW - Adelaide

Chicago (MDW) - Adelaide (ADL)

Frontier Airlines, Fiji Airways, Virgin Australia Regional Airlines

$1,617

$1,554

One-way

Tue, Jul 28

⌛ Last-Minute

MDW - Adelaide

Chicago (MDW) - Adelaide (ADL)

Frontier Airlines, Fiji Airways, Virgin Australia Regional Airlines

$1,608

$1,554

One-way

Tue, Jul 28

⌛ Last-Minute

MDW - Adelaide

Chicago (MDW) - Adelaide (ADL)

Frontier Airlines, Fiji Airways, Virgin Australia Regional Airlines

$1,617

$1,565

One-way

Biggest price drops on these dates for flights from Chicago to Adelaide

13 nights

Jul 28 - Aug 10

$1,701 → $1,532

10%

28 nights

Jul 28 - Aug 25

$1,671 → $1,520

29 nights

Jul 28 - Aug 26

$1,671 → $1,521

30 nights

Jul 28 - Aug 27

$1,671 → $1,533

Popular Airports to fly from Chicago to Adelaide

Chicago - Adelaide route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Chicago to Adelaide are below the typical level at $1445.

📅 Best time to fly

Fly in April for the best prices

Historically, April is the cheapest month to fly, with a median price of $543.

⏱️ Flight duration

Expect longer flights

Flights to Adelaide typically take 31h 33m, with two or more stopovers being common.

✈️ Airlines & availability

Connecting flights are common

This route typically features connecting flights, with no direct flights available in recent months.

🏆 Airline highlight

Frontier Airlines offers competitive deals

Frontier Airlines has recently offered deals for this route, with a fare of $1445.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Chicago to Adelaide are historically rare, so book when you see a good price.

Chicago main airports to depart from

O Hare International (ORD)

Cheapest

O'Hare International Airport offers flights to Adelaide, providing a convenient departure option for your journey.

📍 ~25 km from Chicago city center (reachable by car or train)

💸 Flights from ~$1075

Chicago Midway International (MDW)

Chicago Midway International Airport is an alternative departure point for flights to Adelaide.

📍 ~15 km from Chicago city center (reachable by car or train)

💸 Flights from ~$1261

Chicago Rockford International (RFD)

Chicago Rockford International Airport is another option for flights from the Chicago area to Adelaide.

📍 ~120 km from Chicago city center (reachable by car)

💸 Flights from ~$1905

Adelaide main airports to arrive at

Adelaide (ADL)

Cheapest

Adelaide Airport is a convenient arrival point for flights from Chicago to Adelaide.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$1075

Airports nearby Adelaide used as alternative

Melbourne (MEL)

Cheapest

Melbourne (MEL) is a major international hub with significantly more flight options than Adelaide.

📍 ~650 km from Adelaide (requires approximately 8 hours of driving or a connecting flight)

💸 Flights from ~$1,143

Mildura (MQL)

Mildura (MQL) is the closest significant regional hub with interstate connections to Melbourne and Sydney.

📍 ~350 km from Adelaide (reachable by car in about 4 hours)

💸 Flights from ~$1,717

Mount Gambier (MGB)

Mount Gambier (MGB) provides alternative access to the southeastern region of South Australia and Victoria.

📍 ~400 km from Adelaide (reachable by car)

💸 Flights from ~$1,834

Avalon (AVV)

Avalon (AVV) is a secondary airport for the Melbourne region, often used by low-cost carriers.

📍 ~500 km from Adelaide (reachable by car)

💸 Flights from ~$1,303

Port Lincoln (PLO)

Port Lincoln (PLO) is a significant regional airport in South Australia, offering reliable regional service.

📍 ~250 km from Adelaide (requires a long drive or a flight across the Spencer Gulf)

💸 Flights from ~$1,852

Business & First Class Flight Deals to Adelaide

Adelaide, Australia

68% AI deal score

$14,933

Frequently Asked Questions About Flights to Adelaide

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance is often recommended, especially for international routes. Prices can fluctuate, so monitoring fares over several weeks may help you identify a good time to purchase. Avoiding peak travel seasons can also lead to better prices.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to your ground travel, the savings on airfare can be significant. Always factor in the total cost and convenience.

Related routes

Consider alternative routes from Chicago

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