United Flight 3684 Deals & Information (2026/2027)

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United Flight 3684 Route Deals From $234

The cheapest prices found with in the last 7 days for return flights were $330 and $234 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 10 - Thu, Jan 22
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$330 Roundtrip, found 1 hour ago
$330
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Thu, Jan 22, priced at $330 found 1 hour ago
Sat, Jan 10 - Tue, Jan 20
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$380 Roundtrip, found 2 hours ago
$380
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Tue, Jan 20, priced at $380 found 2 hours ago
Sat, Jan 10 - Tue, Jan 20
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$390 Roundtrip, found 2 hours ago
$390
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Tue, Jan 20, priced at $390 found 2 hours ago
Sat, Jan 10 - Thu, Jan 22
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$410 Roundtrip, found 1 hour ago
$410
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Thu, Jan 22, priced at $410 found 1 hour ago
Sat, Jan 10 - Wed, Jan 21
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$416 Roundtrip, found 2 hours ago
$416
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Wed, Jan 21, priced at $416 found 2 hours ago
Sun, Jan 11 - Wed, Jan 21
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$426 Roundtrip, found 1 hour ago
$426
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Jan 11 from Key West Intl. to Washington Dulles Intl., returning Wed, Jan 21, priced at $426 found 1 hour ago
Sat, Jan 10 - Tue, Jan 20
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$460 Roundtrip, found 2 hours ago
$460
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Tue, Jan 20, priced at $460 found 2 hours ago
Sun, Jan 11 - Wed, Jan 21
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$462 Roundtrip, found 1 hour ago
$462
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Jan 11 from Key West Intl. to Washington Dulles Intl., returning Wed, Jan 21, priced at $462 found 1 hour ago
Sat, Jan 10 - Tue, Jan 20
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$470 Roundtrip, found 2 hours ago
$470
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Tue, Jan 20, priced at $470 found 2 hours ago
Sat, Jan 10 - Thu, Jan 22
EYW
Key West Intl.
IAD
Washington Dulles Intl.
$490 Roundtrip, found 1 hour ago
$490
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jan 10 from Key West Intl. to Washington Dulles Intl., returning Thu, Jan 22, priced at $490 found 1 hour ago