United Flight 3680 Deals & Information (2026/2027)

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United Flight 3680 Route Deals From $264

The cheapest prices found with in the last 7 days for return flights were $295 and $264 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 30 - Mon, May 4
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$295 Roundtrip, found 6 hours ago
$295
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Apr 30 from Key West Intl. to Newark Liberty Intl. Airport, returning Mon, May 4, priced at $295 found 6 hours ago
Thu, Apr 30 - Mon, May 4
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$305 Roundtrip, found 6 hours ago
$305
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Apr 30 from Key West Intl. to Newark Liberty Intl. Airport, returning Mon, May 4, priced at $305 found 6 hours ago
Thu, Apr 30 - Mon, May 4
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$320 Roundtrip, found 6 hours ago
$320
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Apr 30 from Key West Intl. to Newark Liberty Intl. Airport, returning Mon, May 4, priced at $320 found 6 hours ago
Thu, Apr 30 - Mon, May 4
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$387 Roundtrip, found 6 hours ago
$387
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Apr 30 from Key West Intl. to Newark Liberty Intl. Airport, returning Mon, May 4, priced at $387 found 6 hours ago
Thu, Jun 25 - Tue, Jun 30
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$409 Roundtrip, found 6 days ago
$409
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jun 25 from Key West Intl. to Newark Liberty Intl. Airport, returning Tue, Jun 30, priced at $409 found 6 days ago
Thu, Apr 30 - Mon, May 4
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$412 Roundtrip, found 6 hours ago
$412
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Apr 30 from Key West Intl. to Newark Liberty Intl. Airport, returning Mon, May 4, priced at $412 found 6 hours ago
Wed, Apr 8 - Tue, Apr 14
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$427 Roundtrip, found 3 days ago
$427
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from Key West Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 14, priced at $427 found 3 days ago
Wed, Apr 8 - Tue, Apr 14
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$437 Roundtrip, found 3 days ago
$437
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from Key West Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 14, priced at $437 found 3 days ago
Thu, Apr 30 - Mon, May 4
EYW
Key West Intl.
EWR
Newark Liberty Intl. Airport
$448 Roundtrip, found 6 hours ago
$448
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Apr 30 from Key West Intl. to Newark Liberty Intl. Airport, returning Mon, May 4, priced at $448 found 6 hours ago

Frequently asked questions

What route does flight number UA3680 take?
Flight number UA3680 takes about 3 hours and 30 minutes to fly direct from EYW to Chicago, IL Airport (ORD-O'Hare Intl.). Sure, there's magic in the destination, but getting there is half the fun!
How often is UA3680 on time?
Passengers flying on United Airlines flight number UA3680 should be aware that 77% of these flights arrive according to schedule. If you encounter a delay, the usual wait is roughly 43 minutes. This route has a rating of 0.65 stars.
What kind of plane is on flight number UA3680?
There's a strong chance you'll be cruising aboard the Embraer 170 if you're booked on flight number UA3680. This flight nearly always takes off from Key West Intl. Airport (EYW) and comes in to land at O'Hare Intl. Airport (ORD).
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 UA3680 flight with Travelocity, please visit our Customer Service Portal.