The cheapest times to fly from ADL to BOI are

  • January 29th to March 25th
  • May 21st to August 5th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ADL to BOI is mid March. Prices can be as high as $5409 for Tuesday flights during early January, or as low as $859 for Wednesday flights around mid March.


When to Fly to Boise

Flying from Adelaide (ADL) to Boise, ID (BOI) will usually cost between $1104 to $2200 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid March with an average ticket price of $1083. Due to high demand the most expensive time to fly is early January, with an average price of $3054. Planning your trip to low-cost times can easily save you $1971 on economy flights and even more on first-class flights. Generally, any price below $1380 can be considered a good price for a round-trip ADL to BOI flight.

See below for a graph of average weekly prices for the ADL to BOI route. All prices are for round-trip tickets in USD.

ADL to BOI Flight Prices

Compared to other flights, the ADL to BOI flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Adelaide. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to BOI, and Monday the cheapest day to fly back into ADL. Tuesdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $438 (22%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1308. Return trip prices are from the BOI to ADL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ADL to BOI can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 20 minutes may not be realistic.


Flight Hacking ADL to BOI

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ADL to BOI — but Champion Traveler does!

Hack #1: Los Angeles, CA (ADL > LAX > BOI)

  • Price for both tickets: $1036
  • Average savings: $344 (24.93%)

See ADL to SAN flights

Hack #2: San Diego, CA (ADL > SAN > BOI)

  • Price for both tickets: $1129
  • Average savings: $251 (18.19%)

See ADL to LAX flights

Hack #3: Seattle, WA (ADL > SEA > BOI)

  • Price for both tickets: $1132
  • Average savings: $248 (17.97%)

See ADL to SEA flights


Flight Questions Answered

Still have questions about flying from ADL to BOI? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air Canada, Air France, Air New Zealand, American, Avianca, Bangkok Airways, Delta, Singapore Airlines, United, Virgin Australia, and potentially more during busy seasons.

How far away is it from Boise Air Terminal Airport to Adelaide International Airport?

The distance between the two airports is roughly 8527 miles or 13723 kilometers.

How long does it take to fly from ADL to BOI?

The real-world flight time for a nonstop ADL to BOI flight is about 16 hour 20 minutes.

How many flights go between Adelaide and Boise, ID?

It depends on the day of the week and the date, but a typical day might have around 7 available flights from ADL to BOI.


Airport Location Info


Departing Airport

Origination code ADL
Origination airport name Adelaide International Airport
City Adelaide
Country Australia
Latitude -34.9
Longitude 138.5

Return Airport

Destination code BOI
Destination airport name Boise Air Terminal Airport
City Boise, ID
Country the United States
Latitude 43.6
Longitude -116.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.