Which airports can I use when flying from Ontario to Key West?

Flights from Ontario to Key West usually depart from Ontario (ONT) and arrive at Key West (EYW).

What cabin classes can I book on flights from Ontario to Key West?

Only Economy Class is available on flights from Ontario to Key West.

Which airports do connecting flights from Ontario to Key West pass through?

Most connecting flights from Ontario to Key West pass through Houston George Bush Intcntl (IAH), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Ontario to Key West?

Yes. Flexible dates can save you up to 60% on flights from Ontario to Key West. Tuesday is the cheapest departure day at $348 round-trip on average, while Saturday is the most expensive at $866, a difference of $518. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Key West?

Some of the most popular sights in Key West are Duval Street, Key West Historic District and Mallory Square. These are among the most viewed places in Key West on KAYAK.

How long is a flight from Ontario to Key West?

A nonstop flight from Ontario to Key West takes 00m, covering 2,242 miles.

Do I need a passport to fly from Ontario to Key West?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Ontario to Key West changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $492 to $3,230. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from Ontario to Key West looking right now?

One-way fares from Ontario to Key West are currently lower than usual. Average one-way flight prices are about $466, which is 11% below the typical average for this route.

What is the time difference between Ontario and Key West?

Key West is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Key West Airport (EYW)?

Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include: • Dollar • Hertz • Budget • Enterprise Rent-A-Car • Alamo

How much is a round-trip flight from Ontario to Key West?

Round-trip flights from Ontario to Key West typically range from $378 to $694. The lowest price found in the past 5 days was $492, on American Airlines.

Which airline is the cheapest to fly from Ontario to Key West?

American Airlines ($492) and Delta ($568) are the cheapest airlines to fly round-trip from Ontario to Key West according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Ontario to Key West?

Flights via Houston George Bush Intcntl (IAH) offer the most affordable fares, with an average round-trip price of $543. Based on KAYAK data over the past 3 months.

When flying from Ontario to Key West which airport offers the shortest layover?

Houston George Bush Intcntl (IAH) had the shortest average connection time for Ontario to Key West layovers at 4h 31m over the past 3 months.

$213 CHEAP FLIGHTS from Ontario to Key West (ONT - EYW)

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Cheapest round-trip

$492

Typical prices: $378-$694

American Airlines

Sun 10/21Sun 10/28

ONT - EYW • 2 stops

Cheapest one-way

$389

Typical prices: $342-$539

Delta

Thu 10/25

ONT - EYW • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Ontario and Key West. You'll need to take a connecting flight to reach the destination.

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Cheap Flights from Ontario to Key West (ONT-EYW)

Cheap flights from Ontario to Key West with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Wed, Oct 21 - Wed, Oct 28

7:34 pm - 9:54 amONT Ontario-EYW Key West

11h 20m2 stops Phoenix Sky Harbor Intl Miami

2:34 pm - 9:11 pmEYW Key West-ONT Ontario

9h 37m1 stop Dallas/Fort Worth

$492American Airlines

Wed, Oct 21 - Wed, Oct 28

6:00 am - 4:54 pmONT Ontario-EYW Key West

7h 54m1 stop Dallas/Fort Worth

2:34 pm - 9:11 pmEYW Key West-ONT Ontario

9h 37m1 stop Dallas/Fort Worth

$510American Airlines

Wed, Oct 21 - Wed, Oct 28

6:00 am - 7:33 pmONT Ontario-EYW Key West

10h 33m2 stops Dallas/Fort Worth Miami

1:43 pm - 9:11 pmEYW Key West-ONT Ontario

10h 28m2 stops Miami Dallas/Fort Worth

$585American Airlines

Fri, Oct 23 - Tue, Oct 27

6:00 am - 4:54 pmONT Ontario-EYW Key West

7h 54m1 stop Dallas/Fort Worth

2:15 pm - 7:54 pmEYW Key West-ONT Ontario

8h 39m1 stop Charlotte Douglas

$609American Airlines

Fri, Oct 23 - Tue, Oct 27

6:00 am - 4:54 pmONT Ontario-EYW Key West

7h 54m1 stop Dallas/Fort Worth

10:24 am - 6:43 pmEYW Key West-ONT Ontario

11h 19m2 stops Miami Phoenix Sky Harbor Intl

$614American Airlines

Sat, Dec 19 - Mon, Dec 21

11:52 pm - 11:41 amONT Ontario-EYW Key West

8h 49m1 stop Chicago O'Hare Intl

4:04 pm - 10:31 pmEYW Key West-ONT Ontario

9h 27m1 stop Chicago O'Hare Intl

$655United Airlines

Fri, Oct 23 - Tue, Oct 27

5:03 pm - 10:47 amONT Ontario-EYW Key West

14h 44m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:40 am - 4:23 pmEYW Key West-ONT Ontario

11h 43m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$659Delta

Sun, Dec 20 - Tue, Dec 29

10:35 pm - 10:53 amONT Ontario-EYW Key West

9h 18m1 stop Atlanta Hartsfield-Jackson

6:20 pm - 11:41 pmEYW Key West-ONT Ontario

8h 21m1 stop Atlanta Hartsfield-Jackson

$697Delta

Sun, Dec 20 - Tue, Dec 29

5:05 pm - 10:53 amONT Ontario-EYW Key West

14h 48m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:20 pm - 11:41 pmEYW Key West-ONT Ontario

8h 21m1 stop Atlanta Hartsfield-Jackson

$702Delta

Sun, Dec 20 - Mon, Dec 28

10:35 pm - 10:53 amONT Ontario-EYW Key West

9h 18m1 stop Atlanta Hartsfield-Jackson

6:20 pm - 11:41 pmEYW Key West-ONT Ontario

8h 21m1 stop Atlanta Hartsfield-Jackson

$737Delta

Price, demand and travel trends for Ontario to Key West flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Key West? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Key West departing in october.

Find deals

Cheapest flight	$389

One-way flight from Ontario to Key West

When to book flights from Ontario to Key West

Are your dates flexible? Find out the best times to travel from Ontario to Key West based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Ontario to Key West?
Only Economy Class is available on flights from Ontario to Key West.
How long is a flight from Ontario to Key West?
A nonstop flight from Ontario to Key West takes 00m, covering 2,242 miles.
Do I need a passport to fly from Ontario to Key West?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
Have flight prices from Ontario to Key West changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $492 to $3,230. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Ontario to Key West looking right now?
One-way fares from Ontario to Key West are currently lower than usual. Average one-way flight prices are about $466, which is 11% below the typical average for this route.
What car rental options are available at Key West Airport (EYW)?
Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Enterprise Rent-A-Car
• Alamo
Which airports can I use when flying from Ontario to Key West?
Flights from Ontario to Key West usually depart from Ontario (ONT) and arrive at Key West (EYW).
Which airports do connecting flights from Ontario to Key West pass through?
Most connecting flights from Ontario to Key West pass through Houston George Bush Intcntl (IAH), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Ontario to Key West?
Yes. Flexible dates can save you up to 60% on flights from Ontario to Key West. Tuesday is the cheapest departure day at $348 round-trip on average, while Saturday is the most expensive at $866, a difference of $518.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Ontario and Key West?
Key West is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Key West?
Some of the most popular sights in Key West are Duval Street, Key West Historic District and Mallory Square. These are among the most viewed places in Key West on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $348, about $518 less than Saturday fares (60% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Key West Airport.

• Parrot Key Hotel & Villas
• Havana Cabana at Key West
• Margaritaville Beach House Key West

More options for your flight from Ontario to Key West

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ONT - EYW

$213 Find Cheap Flights from Ontario to Key West - Compare and Save

Everything you should know

Cheap Flights from Ontario to Key West (ONT-EYW)

Cheap flights from Ontario to Key West with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Price, demand and travel trends for Ontario to Key West flights

How much is a round-trip flight from Ontario to Key West?

Which airline is the cheapest to fly from Ontario to Key West?

What is the cheapest layover airport when flying from Ontario to Key West?

When flying from Ontario to Key West which airport offers the shortest layover?

Key details for Ontario to Key West flights

Cheapest flight

When to book flights from Ontario to Key West

Your Ontario to Key West flight questions, answered

Your guide to booking Ontario to Key West flights

More options for your flight from Ontario to Key West

Complete your trip to Key West with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Key West

Find direct flights to and from Ontario and Key West

Flights from domestic origins to Key West

Flights to other popular destinations