United Flight 400 Deals & Information (2026/2027)

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United Flight 400 Route Deals From $363

The cheapest prices found with in the last 7 days for return flights were $484 and $363 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$484 Roundtrip, found 1 day ago
$484
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $484 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$519 Roundtrip, found 1 day ago
$519
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $519 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$551 Roundtrip, found 1 day ago
$551
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $551 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$562 Roundtrip, found 1 day ago
$562
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $562 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$574 Roundtrip, found 1 day ago
$574
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $574 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$598 Roundtrip, found 1 day ago
$598
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $598 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$609 Roundtrip, found 1 day ago
$609
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $609 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$610 Roundtrip, found 1 day ago
$610
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $610 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $622 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$641 Roundtrip, found 1 day ago
$641
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $641 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$652 Roundtrip, found 1 day ago
$652
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $652 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$661 Roundtrip, found 1 day ago
$661
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $661 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$681 Roundtrip, found 1 day ago
$681
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $681 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$688 Roundtrip, found 1 day ago
$688
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $688 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$689 Roundtrip, found 1 day ago
$689
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $689 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$696 Roundtrip, found 1 day ago
$696
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $696 found 1 day ago
Fri, Aug 14 - Sat, Aug 15
JAC
Jackson Hole
EWR
Newark Liberty Intl. Airport
$784 Roundtrip, found 1 day ago
$784
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Jackson Hole to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $784 found 1 day ago

Frequently asked questions

What route does flight number UA400 take?
UA400 operates from Dulles Intl. Airport to Raleigh–Durham Airport and is a direct flight. This trip takes 1 hour and 11 minutes.
What kind of plane is on flight number UA400?
The route for flight number UA400 is generally Dulles Intl. Airport to RDU, and the Boeing 737-800 is the aircraft model you'll probably be flying with.
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 UA400 flight with Travelocity, please visit our Customer Service Portal.