The cheapest times to fly from STL to HER are

  • April 16th to October 21st (except the week of July 30th)

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 STL to HER is early to mid June. Prices can be as high as $6474 for Thursday flights during mid December, or as low as $1211 for Wednesday flights around early to mid June.


When to Fly to Heraklion

Flying from St. Louis, MO (STL) to Heraklion (HER) will usually cost between $1423 to $6364 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid June with an average ticket price of $1458. Due to high demand the most expensive time to fly is mid December, with an average price of $6413. Planning your trip to low-cost times can easily save you $4955 on economy flights and even more on first-class flights. Generally, any price below $2130 can be considered a good price for a round-trip STL to HER flight.

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

STL to HER Flight Prices

Compared to other flights, the STL to HER flight is more expensive than the average and costs more than the average flight leaving from St. Louis. The average price per mile (for a direct flight) is $0.23, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Thursdays 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 $472 (12%) 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 $3367. Return trip prices are from the HER to STL 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 STL to HER can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 33 minutes may not be realistic.


Flight Hacking STL to HER

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 STL to HER — but Champion Traveler does!

Hack #1: London (STL > LGW > HER)

  • Price for both tickets: $1178
  • Average savings: $952 (44.69%)

See STL to LGW flights

Hack #2: Prague (STL > PRG > HER)

  • Price for both tickets: $1181
  • Average savings: $949 (44.55%)

See STL to PRG flights

Hack #3: Munich (STL > MUC > HER)

  • Price for both tickets: $1239
  • Average savings: $891 (41.83%)

See STL to MUC flights


Flight Questions Answered

Still have questions about flying from STL to HER? We’ve got answers.

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air Canada, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Eurowings, Finnair, Iberia, KLM, Lufthansa, Olympic, SWISS, United, and potentially more during busy seasons.

How far away is it from Nikos Kazantzakis Airport to St Louis Lambert International Airport?

The distance between the two airports is roughly 5870 miles or 9447 kilometers.

How long does it take to fly from STL to HER?

The real-world flight time for a nonstop STL to HER flight is about 11 hour 33 minutes.

How many flights go between St. Louis, MO and Heraklion?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from STL to HER.


Airport Location Info


Departing Airport

Origination code STL
Origination airport name St Louis Lambert International Airport
City St. Louis, MO
Country the United States
Latitude 38.7
Longitude -90.4

Return Airport

Destination code HER
Destination airport name Nikos Kazantzakis Airport
City Heraklion
Country Greece
Latitude 35.3
Longitude 25.2


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.