United Flight 3420 Deals & Information (2025/2026)

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United Flight 3420 Route Deals From $158

The cheapest prices found with in the last 7 days for return flights were $189 and $158 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 23 - Mon, Sep 29
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$189 Roundtrip, found 19 hours ago
$189
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Sep 23 from Bangor Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 29, priced at $189 found 19 hours ago
Fri, Jul 18 - Sun, Jul 20
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$193 Roundtrip, just found
$193
Roundtrip
just found
Select United flight, departing Fri, Jul 18 from Bangor Intl. to Newark Liberty Intl. Airport, returning Sun, Jul 20, priced at $193 just found
Fri, Jul 18 - Sun, Jul 20
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Fri, Jul 18 from Bangor Intl. to Newark Liberty Intl. Airport, returning Sun, Jul 20, priced at $197 just found
Thu, Nov 13 - Sun, Nov 16
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 13 from Bangor Intl. to Newark Liberty Intl. Airport, returning Sun, Nov 16, priced at $212 found 1 day ago
Fri, Jul 25 - Mon, Jul 28
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 25 from Bangor Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 28, priced at $216 found 2 days ago
Tue, Sep 23 - Mon, Sep 29
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$217 Roundtrip, found 19 hours ago
$217
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Sep 23 from Bangor Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 29, priced at $217 found 19 hours ago
Wed, Aug 13 - Wed, Sep 3
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$221 Roundtrip, found 8 hours ago
$221
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Aug 13 from Bangor Intl. to Newark Liberty Intl. Airport, returning Wed, Sep 3, priced at $221 found 8 hours ago
Thu, Oct 16 - Sun, Oct 19
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$233 Roundtrip, found 1 day ago
$233
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 16 from Bangor Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 19, priced at $233 found 1 day ago
Tue, Sep 23 - Mon, Sep 29
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$235 Roundtrip, found 19 hours ago
$235
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Sep 23 from Bangor Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 29, priced at $235 found 19 hours ago
Fri, Mar 20 - Tue, Mar 24
BGR
Bangor Intl.
EWR
Newark Liberty Intl. Airport
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Bangor Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 24, priced at $237 found 1 day ago

Frequently asked questions

What route does flight number UA3420 take?
UA3420 is used on multiple routes, but the most common is between BWI Airport and ORD. If on a non-stop flight, you'll arrive in approximately 2 hours and 10 minutes. Multi-stop flights can also travel under this number, as can flights on other routes.
What kind of plane is on flight number UA3420?
If you've booked a seat on flight UA3420 from BWI Airport to O'Hare Airport, there's a strong chance you'll be heading off on an Embraer 170. This flight number serves a number of routes, but this is the most common one.
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 UA3420 flight with Travelocity, please visit our Customer Service Portal.