ont-to-eyw

 

The cheapest times to fly from ONT to EYW are

  • January 1st to February 25th
  • April 16th to June 3rd (except the week of May 14th)
  • July 9th to October 14th (except the weeks of July 30th 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 ONT to EYW is mid to late August. Prices can be as high as $1538 for Sunday flights during late December, or as low as $303 for Tuesday flights around mid to late August.

 

When to Fly to Key West

Flying from Ontario, CA (ONT) to Key West, FL (EYW) will usually cost between $372 to $893 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $367. Due to high demand the most expensive time to fly is late December, with an average price of $885. Planning your trip to low-cost times can easily save you $517 on economy flights and even more on first-class flights. Generally, any price below $533 can be considered a good price for a round-trip ONT to EYW flight.

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

Key
ONT to EYW Flight Prices

Compared to other flights, the ONT to EYW flight is cheaper than the average and costs much less than the average flight leaving from Ontario. The average price per mile (for a direct flight) is $0.15, which is far below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to EYW, and Wednesday the cheapest day to fly back into ONT. Sundays 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 $275 (37%) 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 $437. Return trip prices are from the EYW to ONT flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

Key
Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from ONT to EYW can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 1 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ONT to EYW while comparing.

Destination alternative #1: Miami International Airport (MIA) in Miami, FL

  • 126 miles (203 km) away from EYW
  • Usually 26.64% less expensive than EYW
  • 1-layover flights available

See ONT to MIA flights

Destination alternative #2: Fort Lauderdale-Hollywood International Airport (FLL) in Fort Lauderdale, FL

  • 145 miles (233 km) away from EYW
  • Usually 25.70% less expensive than EYW
  • 1-layover flights available

See ONT to FLL flights

Destination alternative #3: Southwest Florida International Airport (RSW) in Fort Myers, FL

  • 137 miles (220 km) away from EYW
  • Usually 21.95% less expensive than EYW
  • 1-layover flights available

See ONT to RSW flights

 

Flight Questions Answered

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

Which airlines fly this route?

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

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

The distance between the two airports is roughly 2244 miles or 3611 kilometers.

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

The real-world flight time for a nonstop ONT to EYW flight is about 5 hour 1 minutes.

How many flights go between Ontario, CA and Key West, FL?

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

 

Airport Location Info

 

Departing Airport

Origination codeONT
Origination airport nameOntario International Airport
CityOntario, CA
Countrythe United States
Latitude34.1
Longitude-117.6

Return Airport

Destination codeEYW
Destination airport nameKey West International Airport
CityKey West, FL
Countrythe United States
Latitude24.6
Longitude-81.8

 

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.