The cheapest times to fly from FAI to SJU are

  • January 8th to January 21st
  • May 7th to November 11th (except the weeks of August 27th, September 10th, and October 1st)

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 FAI to SJU is early to mid August. Prices can be as high as $2443 for Saturday flights during mid December, or as low as $909 for Tuesday flights around early to mid August.


When to Fly to San Juan

Flying from Fairbanks, AK (FAI) to San Juan, PR (SJU) will usually cost between $1106 to $2036 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid August with an average ticket price of $1044. Due to high demand the most expensive time to fly is mid December, with an average price of $2105. Planning your trip to low-cost times can easily save you $1061 on economy flights and even more on first-class flights. Generally, any price below $1551 can be considered a good price for a round-trip FAI to SJU flight.

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

FAI to SJU Flight Prices

Compared to other flights, the FAI to SJU flight is more expensive than the average and costs more than the average flight leaving from Fairbanks. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to San Juan, and Sundays are the most expensive days to return to Fairbanks. Selecting flights on the least expensive days could save you up to $163 (10%) 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 $1448. Return trip prices are from the SJU to FAI 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 FAI to SJU can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 41 minutes may not be realistic.


Flight Hacking FAI to SJU

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 FAI to SJU — but Champion Traveler does!

Hack #1: Seattle, WA (FAI > SEA > SJU)

  • Price for both tickets: $768
  • Average savings: $783 (50.5%)

See FAI to SEA flights

Hack #2: Denver, CO (FAI > DEN > SJU)

  • Price for both tickets: $872
  • Average savings: $679 (43.79%)

See FAI to DEN flights

Hack #3: San Francisco, CA (FAI > SFO > SJU)

  • Price for both tickets: $878
  • Average savings: $673 (43.37%)

See FAI to SFO flights


Flight Questions Answered

Still have questions about flying from FAI to SJU? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Emirates, Ravn Alaska, United, and potentially more during busy seasons.

How far away is it from Luis Munoz Marin International Airport to Fairbanks International Airport?

The distance between the two airports is roughly 4830 miles or 7773 kilometers.

How long does it take to fly from FAI to SJU?

The real-world flight time for a nonstop FAI to SJU flight is about 9 hour 41 minutes.

How many flights go between Fairbanks, AK and San Juan, PR?

It depends on the day of the week and the date, but a typical day might have around 94 available flights from FAI to SJU.


Airport Location Info


Departing Airport

Origination code FAI
Origination airport name Fairbanks International Airport
City Fairbanks, AK
Country the United States
Latitude 64.8
Longitude -147.9

Return Airport

Destination code SJU
Destination airport name Luis Munoz Marin International Airport
City San Juan, PR
Country the United States
Latitude 18.4
Longitude -66


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.