United Airlines Flight 339

Book your trip

Save up to $537 when booking together

Find the best deals with flexible search

Today's Flight For UA339

UA339 Flight Routes

Flight information can change frequently and many flight numbers can include multiple flight routes. Check here to see all the routes currently scheduled for UA339 as of October 2018.


From (BOS) Boston, MA, United States
to (DEN) Denver, CO, United States

4 Hours 27 Minutes
to 4 Hours 44 Minutes
1759 mi.


From (DEN) Denver, CO, United States
to (SEA) Seattle, WA, United States

2 Hours 59 Minutes
to 3 Hours 3 Minutes
1028 mi.

World Wide Destinations


Travelocity offers amazing deals on flights around the world. Find Plane Tickets to San Diego and feel confident that your online booking experience will be fast and easy.


With tens of thousands of hotels to choose from including Hotels Lake Tahoe you will always find a great place to stay when booking with Travelocity.

Vacation Packages

Find the best Hawaii Travel Packages today. Get a flight, hotel and rental car at the best online rates.