United Flight 3439 Deals & Information (2026/2027)

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United Flight 3439 Route Deals From $105

The cheapest prices found with in the last 7 days for return flights were $212 and $105 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 8 - Wed, Jul 22
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$212 Roundtrip, found 23 hours ago
$212
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Jul 8 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Wed, Jul 22, priced at $212 found 23 hours ago
Fri, Jul 24 - Mon, Jul 27
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Mon, Jul 27, priced at $217 found 1 day ago
Sat, Jun 6 - Tue, Jun 9
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$222 Roundtrip, found 11 hours ago
$222
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Jun 6 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Tue, Jun 9, priced at $222 found 11 hours ago
Fri, Jul 24 - Mon, Jul 27
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Mon, Jul 27, priced at $227 found 1 day ago
Thu, Oct 1 - Wed, Oct 7
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$227 Roundtrip, found 6 days ago
$227
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 1 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Wed, Oct 7, priced at $227 found 6 days ago
Tue, Jul 7 - Wed, Jul 8
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$230 Roundtrip, found 5 days ago
$230
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 7 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Wed, Jul 8, priced at $230 found 5 days ago
Tue, Jul 21 - Wed, Jul 22
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$237 Roundtrip, found 5 days ago
$237
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 21 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Wed, Jul 22, priced at $237 found 5 days ago
Mon, Mar 8 - Fri, Mar 12
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 8 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Fri, Mar 12, priced at $237 found 1 day ago
Mon, Mar 8 - Fri, Mar 12
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 8 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Fri, Mar 12, priced at $239 found 1 day ago
Thu, Jul 2 - Sat, Jul 4
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$242 Roundtrip, found 2 days ago
$242
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 2 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Sat, Jul 4, priced at $242 found 2 days ago
Fri, Sep 18 - Sun, Sep 20
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$247 Roundtrip, found 10 hours ago
$247
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Sep 18 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Sun, Sep 20, priced at $247 found 10 hours ago
Wed, Aug 19 - Sat, Aug 22
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$248 Roundtrip, found 11 hours ago
$248
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 19 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Sat, Aug 22, priced at $248 found 11 hours ago
Wed, Aug 12 - Tue, Aug 18
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$254 Roundtrip, found 10 hours ago
$254
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Aug 12 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Tue, Aug 18, priced at $254 found 10 hours ago
Mon, Mar 8 - Fri, Mar 12
DTW
Detroit Metropolitan Wayne County
EWR
Newark Liberty Intl. Airport
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 8 from Detroit Metropolitan Wayne County to Newark Liberty Intl. Airport, returning Fri, Mar 12, priced at $257 found 1 day 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.