United Flight 3439 Deals & Information (2025/2026)

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United Flight 3439 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $197 and $100 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 11 - Tue, Oct 14
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$197 Roundtrip, found 5 hours ago
$197
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Oct 11 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 14, priced at $197 found 5 hours ago
Tue, Aug 26 - Sat, Aug 30
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$201 Roundtrip, found 9 hours ago
$201
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Aug 26 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $201 found 9 hours ago
Fri, Oct 24 - Tue, Oct 28
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$203 Roundtrip, found 1 day ago
$203
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 28, priced at $203 found 1 day ago
Thu, Sep 11 - Tue, Sep 16
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$205 Roundtrip, found 2 days ago
$205
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 11 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 16, priced at $205 found 2 days ago
Sat, Oct 11 - Tue, Oct 14
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$207 Roundtrip, found 5 hours ago
$207
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Oct 11 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 14, priced at $207 found 5 hours ago
Fri, Jan 30 - Wed, Feb 4
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 30 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 4, priced at $210 found 1 day ago
Tue, Aug 26 - Sat, Aug 30
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$210 Roundtrip, found 9 hours ago
$210
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Aug 26 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $210 found 9 hours ago
Fri, Jan 30 - Wed, Feb 4
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 30 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 4, priced at $213 found 1 day ago
Thu, Sep 11 - Tue, Sep 16
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 11 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 16, priced at $215 found 2 days ago
Fri, Oct 3 - Sun, Oct 5
GRR
Gerald R. Ford Intl.
EWR
Newark Liberty Intl. Airport
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 3 from Gerald R. Ford Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 5, priced at $219 found 3 days 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.