United Flight UA337 Deals & Information (2025/2026)

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United Flight 337 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $204 and $109 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 4 - Fri, Jul 11
XNA
Northwest Arkansas Regional
DEN
Denver Intl.
$204 Roundtrip, found 5 days ago
$204
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jul 4 from Northwest Arkansas Regional to Denver Intl., returning Fri, Jul 11, priced at $204 found 5 days ago
Mon, Aug 11 - Sun, Aug 17
XNA
Northwest Arkansas Regional
DEN
Denver Intl.
$209 Roundtrip, found 5 days ago
$209
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 11 from Northwest Arkansas Regional to Denver Intl., returning Sun, Aug 17, priced at $209 found 5 days ago
Fri, Jul 11 - Sat, Jul 19
XNA
Northwest Arkansas Regional
DEN
Denver Intl.
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 11 from Northwest Arkansas Regional to Denver Intl., returning Sat, Jul 19, priced at $218 found 2 days ago
Fri, Jan 9 - Mon, Jan 12
XNA
Northwest Arkansas Regional
DEN
Denver Intl.
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 9 from Northwest Arkansas Regional to Denver Intl., returning Mon, Jan 12, priced at $219 found 3 days ago

Frequently asked questions

What route does flight number UA337 take?
UA337 flies straight from Denver, CO Airport (DEN-Denver Intl.) to Dallas-Fort Worth Intl. Airport (DFW). During this journey, you’ll be in the air for about 1 hour and 52 minutes. It’s wise to book ahead to get your favorite seat.
What kind of plane is on flight number UA337?
The route for UA337 is usually DIA airport to Dallas-Fort Worth Intl. Airport (DFW), and the Boeing 737-900 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 UA337 flight with Travelocity, please visit our Customer Service Portal.