$709 Cheap Flights from Spokane (GEG) to Adelaide (ADL)

View $709 flight on Tue, Feb 24, 2026Opens in a new window

Popular airlines from Spokane International Airport (GEG) to Adelaide, SA Airport (ADL)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Spokane to Adelaide (GEG-ADL)

Prices were available within the past 7 days and start at $709 for one-way flights and $1,324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,324 Roundtrip, found 4 hours ago
$1,324
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,324 found 4 hours ago
Alaska Airlines
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,333 Roundtrip, found 4 hours ago
$1,333
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,333 found 4 hours ago
United
Sun, Oct 19 - Sat, Oct 25
GEG
Spokane
ADL
Adelaide
$1,448 Roundtrip, found 2 days ago
$1,448
Roundtrip
found 2 days ago
Select United flight, departing Sun, Oct 19 from Spokane to Adelaide, returning Sat, Oct 25, priced at $1,448 found 2 days ago
Alaska Airlines
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,448 Roundtrip, found 4 hours ago
$1,448
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,448 found 4 hours ago
Alaska Airlines
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,455 Roundtrip, found 4 hours ago
$1,455
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,455 found 4 hours ago
Alaska Airlines
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,468 Roundtrip, found 4 hours ago
$1,468
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,468 found 4 hours ago
Alaska Airlines
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,483 Roundtrip, found 4 hours ago
$1,483
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,483 found 4 hours ago
Qantas Airways
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,497 Roundtrip, found 4 hours ago
$1,497
Roundtrip
found 4 hours ago
Select Qantas Airways flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,497 found 4 hours ago
Air New Zealand
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,794 Roundtrip, found 4 hours ago
$1,794
Roundtrip
found 4 hours ago
Select Air New Zealand flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,794 found 4 hours ago
Qatar Airways
Wed, Feb 18 - Mon, Mar 23
GEG
Spokane
ADL
Adelaide
$1,859 Roundtrip, found 4 hours ago
$1,859
Roundtrip
found 4 hours ago
Select Qatar Airways flight, departing Wed, Feb 18 from Spokane to Adelaide, returning Mon, Mar 23, priced at $1,859 found 4 hours ago

Alternative airports near Adelaide

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Adelaide, SA Airport ADL. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,970
ADL
Adelaide, SA Airport
CheapestClosest
Average driving time to city center11 min
Flights from $1,970

Frequently asked questions

How much does a flight from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL) cost?
Grab a cheap one-way flight from $709 or cheap return flight from $1,324 from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL)?
Planning your getaway for February is a great way to save, as it's the cheapest month for flights between GEG and ADL. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest GEG to ADL flight.
How many flights per day from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL)?
There are no daily nonstop flights departing from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from GEG to ADL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL)?
To reach Adelaide Airport (ADL) on schedule, pick a flight that leaves from Spokane Intl. Airport (GEG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL) last-minute?
Booking your plane ticket from GEG to ADL right before your trip is typically more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a GEG to ADL flight and hotel package?
Booking a GEG to ADL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Spokane Intl. Airport (GEG) to Adelaide Airport (ADL)?
Generally, it's possible to reschedule or cancel your GEG to ADL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Spokane Intl.
Destination airport
Adelaide
Airlines serving
Air New Zealand, American Airlines, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,324
Distance
8552 mi

Book with confidence

Book with confidence

Spokane to Adelaide Flights

The cheapest times to fly from Spokane to Adelaide

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Spokane to Adelaide are during the month of February. You can find some of the cheapest flights from Spokane to Adelaide with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Spokane to Adelaide

Sunday is one of the best days to book for cheap flights from Spokane to Adelaide: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Spokane to Adelaide

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Spokane to Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $709 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Spokane to Adelaide flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Spokane to Adelaide airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Spokane to Adelaide Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.