$142 Cheap Delta flights Baltimore (BWI) to Key West (EYW)

View $142 flight on Wed, Nov 12, 2025Opens in a new window

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$142 Cheap Delta flights Baltimore (BWI) 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
Fri, Aug 22 - Tue, Aug 26
BWI
Baltimore
EYW
Key West
$259 Roundtrip, just found
$259
Roundtrip
just found
Select Delta flight, departing Fri, Aug 22 from Baltimore to Key West, returning Tue, Aug 26, priced at $259 just found
Delta
Tue, Aug 26 - Sat, Aug 30
BWI
Baltimore
EYW
Key West
$271 Roundtrip, found 4 hours ago
$271
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 26 from Baltimore to Key West, returning Sat, Aug 30, priced at $271 found 4 hours ago
Delta
Tue, Aug 19 - Thu, Sep 11
BWI
Baltimore
EYW
Key West
$274 Roundtrip, found 10 hours ago
$274
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Aug 19 from Baltimore to Key West, returning Thu, Sep 11, priced at $274 found 10 hours ago
Delta
Tue, Nov 25 - Tue, Dec 2
BWI
Baltimore
EYW
Key West
$283 Roundtrip, found 16 hours ago
$283
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Nov 25 from Baltimore to Key West, returning Tue, Dec 2, priced at $283 found 16 hours ago
Delta
Tue, Dec 2 - Tue, Dec 9
BWI
Baltimore
EYW
Key West
$285 Roundtrip, found 16 hours ago
$285
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Dec 2 from Baltimore to Key West, returning Tue, Dec 9, priced at $285 found 16 hours ago
Delta
Sat, Aug 30 - Wed, Sep 3
BWI
Baltimore
EYW
Key West
$287 Roundtrip, found 7 hours ago
$287
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 30 from Baltimore to Key West, returning Wed, Sep 3, priced at $287 found 7 hours ago
Flights from Baltimore (BWI) to Key West (EYW)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, Spirit Airlines, United
Popular airline
American Airlines
Distance
1053 mi

Frequently asked questions

How much is a Delta Air Lines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Key West Intl. Airport (EYW)?
Finding cheap one-way Delta Air Lines flights from BWI to EYW from $142 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip 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 BWI to EYW with Delta Air Lines?
September is one of the least expensive months to jet off to Key West with Delta Air Lines. You could also find fantastic deals on one-way and round-trip tickets in August.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Key West Intl. Airport (EYW) with Delta Air Lines?
To find cheap Delta Air Lines fares from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Key West Intl. Airport (EYW), start searching one to three months before your planned 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 impact the cost. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Key West Intl. Airport (EYW)?
Click on our "Nonstop" filter when looking for direct Delta Air Lines flights from BWI to EYW. It's also a great way to compare other carriers offering the same nonstop route.
What is the earliest Delta Air Lines flight from BWI to EYW?
Browse Delta Air Lines's earliest flights from BWI to EYW by selecting our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Key West come in to Key West Intl. Airport (EYW). This is the main entry point to this city.
Why fly with Delta Air Lines from BWI to EYW?
Heading from BWI to EYW with Delta Air Lines means enjoying a range of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's in addition to 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Key West Intl. Airport (EYW)?
Changes are usually free within 24 hours of booking, but your airline may charge a fee after that time. For more details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to make changes without additional charges, check the "No cancel fee" or "Changes included" filter when organizing your next trip.
*Available to One Key members.