United Flight 3439 Deals & Information (2026/2027)

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United Flight 3439 Route Deals From $85

The cheapest prices found with in the last 7 days for return flights were $161 and $85 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 30 - Tue, Jun 9
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$161 Roundtrip, just found
$161
Roundtrip
just found
Select United flight, departing Sat, May 30 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Tue, Jun 9, priced at $161 just found
Sat, May 30 - Sun, May 31
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$200 Roundtrip, found 15 hours ago
$200
Roundtrip
found 15 hours ago
Select United flight, departing Sat, May 30 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Sun, May 31, priced at $200 found 15 hours ago

Frequently asked questions

What route does flight number UA3439 take?
UA3439 takes several routes. The most popular is Newark Airport to EYW, which flies direct. This flight takes roughly 3 hours and 30 minutes. However, there may possibly be other flights with the same number that are multi-stop.
What terminal does UA3439 fly out of?
You'll likely take off from Terminal C if you're flying from Newark Airport. UA3439 serves several routes, but the direct flight between Newark Airport and Key West, FL Airport (EYW-Key West Intl.) is the most popular one.
What kind of plane is on flight number UA3439?
There's a good chance you'll be aboard an Embraer 170 if you've booked a seat from Liberty Intl. Airport (EWR) to Key West Intl. Airport, one of a few routes used for flight UA3439.
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 UA3439 flight with Travelocity, please visit our Customer Service Portal.