Delta Flight 5821 Deals & Information (2026/2027)

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Delta Flight 5821 Route Deals From $254

The cheapest prices found with in the last 7 days for return flights were $347 and $254 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 5 - Tue, Jan 26
LGA
LaGuardia
EYW
Key West Intl.
$347 Roundtrip, found 3 days ago
$347
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 5 from LaGuardia to Key West Intl., returning Tue, Jan 26, priced at $347 found 3 days ago
Tue, Jan 5 - Tue, Jan 26
LGA
LaGuardia
EYW
Key West Intl.
$368 Roundtrip, found 3 days ago
$368
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 5 from LaGuardia to Key West Intl., returning Tue, Jan 26, priced at $368 found 3 days ago
Sat, May 2 - Sat, May 16
LGA
LaGuardia
EYW
Key West Intl.
$374 Roundtrip, found 3 days ago
$374
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, May 2 from LaGuardia to Key West Intl., returning Sat, May 16, priced at $374 found 3 days ago
Tue, Jan 5 - Tue, Jan 26
LGA
LaGuardia
EYW
Key West Intl.
$378 Roundtrip, found 3 days ago
$378
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 5 from LaGuardia to Key West Intl., returning Tue, Jan 26, priced at $378 found 3 days ago
Sat, May 2 - Wed, May 6
LGA
LaGuardia
EYW
Key West Intl.
$396 Roundtrip, found 2 hours ago
$396
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, May 2 from LaGuardia to Key West Intl., returning Wed, May 6, priced at $396 found 2 hours ago

Frequently asked questions

What route does flight number DL5821 take?
DL5821 takes 1 hour and 37 minutes to fly non-stop from LaGuardia Airport (LGA) to DCA. We all know there's magic in the destination, but getting there is half the fun!
What kind of plane is on flight number DL5821?
The route for DL5821 is nearly always LGA to Ronald Reagan Washington National Airport (DCA), and the Embraer 175 is the type of plane you'll probably be traveling on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your DL5821 flight with Travelocity, please visit our Customer Service Portal.