The cheapest times to fly from ATL to BIO are

  • January 1st to March 25th
  • August 6th to December 9th (except the weeks of October 22nd and November 19th)

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 ATL to BIO is late September. Prices can be as high as $2033 for Saturday flights during early April, or as low as $785 for Tuesday flights around late September.


When to Fly to Bilbao

Flying from Atlanta, GA (ATL) to Bilbao (BIO) will usually cost between $857 to $1904 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $818. Due to high demand the most expensive time to fly is early April, with an average price of $1926. Planning your trip to low-cost times can easily save you $1108 on economy flights and even more on first-class flights. Generally, any price below $1555 can be considered a good price for a round-trip ATL to BIO flight.

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

ATL to BIO Flight Prices

Compared to other flights, the ATL to BIO flight is more expensive than the average and costs slightly more than the average flight leaving from Atlanta. The average price per mile (for a direct flight) is $0.23, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to BIO, and Thursday the cheapest day to fly back into ATL. Saturdays 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 $107 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1420. Return trip prices are from the BIO to ATL 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 ATL to BIO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 42 minutes may not be realistic.


Flight Hacking ATL to BIO

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 ATL to BIO — but Champion Traveler does!

Hack #1: Miami, FL (ATL > MIA > BIO)

  • Price for both tickets: $704
  • Average savings: $852 (54.76%)

See ATL to MIA flights

Hack #2: Boston, MA (ATL > BOS > BIO)

  • Price for both tickets: $719
  • Average savings: $837 (53.79%)

See ATL to BOS flights

Hack #3: Paris (ATL > CDG > BIO)

  • Price for both tickets: $736
  • Average savings: $819 (52.67%)

See ATL to CDG flights


Flight Questions Answered

Still have questions about flying from ATL to BIO? We’ve got answers.

Which airlines fly this route?

You can find 21 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air France, Alitalia, American, atlasglobal, Austrian, British Airways, Brussels Airlines, Croatia, Delta, Iberia, KLM, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Bilbao Airport to Hartsfield-Jackson Atlanta International Airport?

The distance between the two airports is roughly 4284 miles or 6894 kilometers.

How long does it take to fly from ATL to BIO?

The real-world flight time for a nonstop ATL to BIO flight is about 8 hour 42 minutes.

How many flights go between Atlanta, GA and Bilbao?

It depends on the day of the week and the date, but a typical day might have around 68 available flights from ATL to BIO.


Airport Location Info


Departing Airport

Origination codeATL
Origination airport nameHartsfield-Jackson Atlanta International Airport
CityAtlanta, GA
Countrythe United States

Return Airport

Destination codeBIO
Destination airport nameBilbao Airport


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.