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United Flight 399 Route Deals From $36

The cheapest prices found with in the last 7 days for return flights were $71 and $36 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

More United Flight For This Route

Carrier Flight Depart EWR Arrive AUS Fri
11/27
Sat
11/28
Sun
11/29
Mon
11/30
Tue
12/1
Wed
12/2
Thu
12/3
Stops
UA 2316 08:20 am 11:34 am Check fare Check fare Check fare Check fare - - - 0 stop(s)
UA 399 03:00 pm 06:12 pm Check fare Check fare Check fare Check fare - - Check fare 0 stop(s)
UA 1720 06:15 pm 09:28 pm - Check fare - - - - - 0 stop(s)
UA 1721 06:15 pm 09:28 pm - - Check fare - - - - 0 stop(s)
UA 3594 08:20 am 11:50 am - - - - Check fare Check fare Check fare 0 stop(s)

FAQs about UA399

What route does flight number UA399 take?

UA399 is used on multiple routes, but the most common is between Newark, NJ (EWR-Liberty Intl.) and Austin, TX (AUS-Austin-Bergstrom Intl.). If on a direct flight, you'll disembark the plane in about 4 hours. Multi-stop flights can also operate under this number, as can flights on other routes.

What terminal does UA399 fly out of?

If you're leaving from Newark, NJ (EWR-Liberty Intl.), there's an excellent chance you'll board from Terminal C. The most popular route for flight number UA399 is Newark, NJ (EWR-Liberty Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.), which is a direct flight.

What kind of plane is on flight number UA399?

You'll probably be hopping on board the Airbus A319 if you've booked a ticket on flight number UA399 from Newark, NJ (EWR-Liberty Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.). It's the most commonly used type of plane on this busy route.