The cheapest times to fly from EYW to ASU are

  • January 15th to June 17th

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 EYW to ASU is mid April. Prices can be as high as $2847 for Sunday flights during late December, or as low as $868 for Thursday flights around mid April.


When to Fly to Asuncion

Flying from Key West, FL (EYW) to Asuncion (ASU) will usually cost between $949 to $2262 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid April with an average ticket price of $952. Due to high demand the most expensive time to fly is late December, with an average price of $1985. Planning your trip to low-cost times can easily save you $1033 on economy flights and even more on first-class flights. Generally, any price below $1238 can be considered a good price for a round-trip EYW to ASU flight.

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

EYW to ASU Flight Prices

Compared to other flights, the EYW to ASU flight is slightly more expensive than the average and costs more than the average flight leaving from Key West. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Asuncion, and Wednesdays are the most expensive days to return to Key West. Selecting flights on the least expensive days could save you up to $187 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $1225. Return trip prices are from the ASU to EYW 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 EYW to ASU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 50 minutes may not be realistic.


Flight Hacking EYW to ASU

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 EYW to ASU — but Champion Traveler does!

Hack #1: Fort Lauderdale, FL (EYW > FLL > ASU)

  • Price for both tickets: $825
  • Average savings: $413 (33.36%)

See EYW to FLL flights

Hack #2: Orlando, FL (EYW > MCO > ASU)

  • Price for both tickets: $870
  • Average savings: $368 (29.73%)

See EYW to MCO flights

Hack #3: Miami, FL (EYW > MIA > ASU)

  • Price for both tickets: $917
  • Average savings: $321 (25.93%)

See EYW to MIA flights


Flight Questions Answered

Still have questions about flying from EYW to ASU? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: American, Avianca, COPA, Delta, LATAM, Silver Airways, United, and potentially more during busy seasons.

How far away is it from Silvio Pettirossi International Airport to Key West International Airport?

The distance between the two airports is roughly 3802 miles or 6119 kilometers.

How long does it take to fly from EYW to ASU?

The real-world flight time for a nonstop EYW to ASU flight is about 7 hour 50 minutes.

How many flights go between Key West, FL and Asuncion?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from EYW to ASU.


Airport Location Info


Departing Airport

Origination codeEYW
Origination airport nameKey West International Airport
CityKey West, FL
Countrythe United States

Return Airport

Destination codeASU
Destination airport nameSilvio Pettirossi International 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.