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 $357 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.
$357 Roundtrip, found 8 hours ago
$357
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Jan 5 from LaGuardia to Key West Intl., returning Tue, Jan 26, priced at $357 found 8 hours ago
Tue, Jan 26 - Tue, Feb 23
LGA
LaGuardia
EYW
Key West Intl.
$367 Roundtrip, just found
$367
Roundtrip
just found
Select Delta flight, departing Tue, Jan 26 from LaGuardia to Key West Intl., returning Tue, Feb 23, priced at $367 just found
Tue, Jan 26 - Tue, Feb 23
LGA
LaGuardia
EYW
Key West Intl.
$377 Roundtrip, just found
$377
Roundtrip
just found
Select Delta flight, departing Tue, Jan 26 from LaGuardia to Key West Intl., returning Tue, Feb 23, priced at $377 just found
Tue, Jan 5 - Tue, Jan 26
LGA
LaGuardia
EYW
Key West Intl.
$388 Roundtrip, found 8 hours ago
$388
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Jan 5 from LaGuardia to Key West Intl., returning Tue, Jan 26, priced at $388 found 8 hours ago
Tue, Jan 5 - Tue, Jan 26
LGA
LaGuardia
EYW
Key West Intl.
$398 Roundtrip, found 8 hours ago
$398
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Jan 5 from LaGuardia to Key West Intl., returning Tue, Jan 26, priced at $398 found 8 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.