$142 Cheap Delta flights Dayton (DAY) to Key West (EYW)

View $142 flight on Tue, Sep 9, 2025Opens in a new window

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$142 Cheap Delta flights Dayton (DAY) to Key West (EYW)

Prices were available within the past 7 days and start at $142 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 9 - Sat, Sep 13
DAY
Dayton
EYW
Key West
$259 Roundtrip, found 4 hours ago
$259
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Sep 9 from Dayton to Key West, returning Sat, Sep 13, priced at $259 found 4 hours ago
Delta
Sun, Oct 5 - Tue, Oct 14
DAY
Dayton
EYW
Key West
$274 Roundtrip, found 16 hours ago
$274
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Oct 5 from Dayton to Key West, returning Tue, Oct 14, priced at $274 found 16 hours ago
Delta
Tue, Nov 18 - Wed, Nov 19
DAY
Dayton
EYW
Key West
$283 Roundtrip, found 16 hours ago
$283
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Nov 18 from Dayton to Key West, returning Wed, Nov 19, priced at $283 found 16 hours ago
Delta
Thu, Sep 11 - Mon, Sep 15
DAY
Dayton
EYW
Key West
$289 Roundtrip, found 4 hours ago
$289
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Sep 11 from Dayton to Key West, returning Mon, Sep 15, priced at $289 found 4 hours ago
Delta
Tue, Jul 15 - Wed, Jul 30
DAY
Dayton
EYW
Key West
$294 Roundtrip, found 19 hours ago
$294
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Jul 15 from Dayton to Key West, returning Wed, Jul 30, priced at $294 found 19 hours ago
Delta
Thu, Oct 2 - Sat, Oct 4
DAY
Dayton
EYW
Key West
$301 Roundtrip, found 16 hours ago
$301
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu, Oct 2 from Dayton to Key West, returning Sat, Oct 4, priced at $301 found 16 hours ago
Flights from Dayton (DAY) to Key West (EYW)
Origin airport
James M. Cox Dayton Intl.
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
1069 mi

Frequently asked questions

How much is a Delta Air Lines flight from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
Scoring cheap one-way Delta Air Lines flights from DAY to EYW from $142 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $259 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DAY to EYW with Delta Air Lines?
Delta Air Lines flights to Key West tend to be cheaper in the off-peak months of September and August. Whether you're searching for a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW) with Delta Air Lines?
To find cheap Delta Air Lines fares from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
Use the "Nonstop" filter when searching for direct Delta Air Lines flights from DAY to EYW. You'll also be able to compare other carriers servicing the same nonstop trip.
What is the earliest Delta Air Lines flight from DAY to EYW?
To find the earliest departures from DAY to EYW with Delta Air Lines, filter your search by "Morning" and "Early Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Key West?
Delta Air Lines flights from James M. Cox Dayton Intl. Airport (DAY) to Key West touch down at Key West Intl. Airport (EYW). This is the main gateway to this city.
Why fly with Delta Air Lines from DAY to EYW?
Jetting off from DAY to EYW with Delta Air Lines comes with a host of benefits, including an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
Changes are usually free within 24 hours of booking, but your airline may charge you after that. For further details about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to make changes without additional charges, apply the "Changes included" and "No cancel fee" filters when organizing your next break.

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