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Delaware

$85+ Cheap flights from Key West (EYW) to Delaware

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — ILG
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Key West to Delaware

Cheapest flights from Key West to Delaware
Explore the most affordable flight options available from Key West to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:01 pm
EYW
-
PHL
1 stop21h 38m
Multiple Airlines
Tue 3/37:59 pm
PHL
-
EYW
2 stops37h 07m
Multiple Airlines
Deal found 1/27$235
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:22 pm
EYW
-
PHL
1 stop8h 25m
Multiple Airlines
Mon 3/165:15 am
PHL
-
EYW
1 stop8h 22m
Multiple Airlines
Deal found 1/27$237
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3110:49 am
EYW
-
PHL
2 stops13h 01m
Multiple Airlines
Wed 2/45:30 am
PHL
-
EYW
1 stop27h 36m
Multiple Airlines
Deal found 1/28$297
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/21:06 pm
EYW
-
PHL
1 stop25h 38m
Multiple Airlines
Thu 2/512:24 pm
PHL
-
EYW
2 stops20h 45m
Multiple Airlines
Deal found 1/28$311
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:25 pm
EYW
-
PHL
2 stops10h 27m
Spirit Airlines
Mon 3/165:21 pm
PHL
-
EYW
2 stops18h 09m
Spirit Airlines
Deal found 1/27$351
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:35 pm
EYW
-
PHL
1 stop15h 13m
United Airlines
Mon 3/28:02 pm
PHL
-
EYW
1 stop20h 05m
United Airlines
Deal found 1/28$397

Find flight deals from Key West to Delaware

Keep the following information in mind while searching for Key West to Delaware flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(Kiwi.com)

One-way from

$85
(Booking.com)

Popular in

March

Cheapest in

June

Average price

$579
Provider with most accurate pricing for Key West-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-Philadelphia flights.
Search Deals
From Key West to Delaware
Search Deals
One-way flight from Key West to Delaware
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to Delaware that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Key West to Delaware that are best for you.

Fly from

Key West

Fly to

Delaware

Route

Depart

Return

Price

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 2/24

1:01 pm-10:39 am

1 stop21h 38m

Philadelphia

Tue 3/3

7:59 pm-9:06 am

2 stops37h 07m

$235

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 3/12

4:22 pm-12:47 am

1 stop8h 25m

Philadelphia

Mon 3/16

5:15 am-1:37 pm

1 stop8h 22m

$237

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 3/12

12:25 pm-10:52 pm

2 stops10h 27m

Philadelphia

Mon 3/16

5:21 pm-11:30 am

2 stops18h 09m

$351

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 2/26

6:35 pm-9:48 am

1 stop15h 13m

Philadelphia

Mon 3/2

8:02 pm-4:07 pm

1 stop20h 05m

$397

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 2/24

5:04 pm-8:07 pm

Nonstop3h 03m

Philadelphia

Tue 3/3

8:41 am-12:18 pm

Nonstop3h 37m

$414

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 2/26

9:46 am-9:53 pm

1 stop12h 07m

$95

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Mon 2/23

1:06 pm-12:39 pm

1 stop23h 33m

$102

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 4/29

11:51 am-6:38 pm

1 stop6h 47m

$103

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 2/24

1:01 pm-10:39 am

1 stop21h 38m

$105

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 4/24

9:49 am-11:57 pm

1 stop14h 08m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 15 results
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Best time to book a flight from Key West to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Key West with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key West to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Key West to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Key West to Delaware?

    Key West (EYW) is the airport you will fly out of if you book a flight from Key West to Delaware. It is only a 2.6 mi journey to Key West (EYW) from Key West’s city center.

  • How long is the flight from Key West to Delaware?

    There are many flights that can get you from Key West to Delaware in 10h 27m. Fly via Spirit Airlines to get the fastest option. Airlines will cover a distance of 1123 mi.

  • Can I find deals for flights from Key West to Delaware that include hotel bookings?

    Yes. In addition to deals on Key West to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Delaware.

  • Can I find deals for business class flights from Key West to Delaware?

    Yes. Cheapflights offers flight deals from Key West to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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