United Flight 3878 Deals & Information (2026/2027)

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United Flight 3878 Route Deals From $319

The cheapest prices found with in the last 7 days for return flights were $347 and $319 for one-way flights to Pensacola Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 4 - Tue, Jul 7
EWR
Newark Liberty Intl. Airport
PNS
Pensacola Intl.
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 4 from Newark Liberty Intl. Airport to Pensacola Intl., returning Tue, Jul 7, priced at $347 found 2 days ago
Thu, Aug 13 - Wed, Aug 19
EWR
Newark Liberty Intl. Airport
PNS
Pensacola Intl.
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 13 from Newark Liberty Intl. Airport to Pensacola Intl., returning Wed, Aug 19, priced at $402 found 1 day ago

Frequently asked questions

What route does flight number UA3878 take?
Flight number UA3878 takes roughly 1 hour and 45 minutes to fly directly from ORD to Roanoke Regional Airport (ROA). We all know there's magic in the destination, but the journey is always half the fun!
What terminal does UA3878 fly out of?
UA3878 runs between O'Hare Airport and Roanoke, VA Airport (ROA-Roanoke Regional), and passengers with a seat on this flight generally board the aircraft from Terminal 2.
What kind of plane is on flight number UA3878?
The Bombardier CRJ is the plane most frequently used for flight number UA3878. This flight nearly always takes off from O'Hare Airport and comes in to land at Roanoke–Blacksburg Regional Airport.
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 UA3878 flight with Travelocity, please visit our Customer Service Portal.