United Flight 337 Deals & Information (2025/2026)

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United Flight 337 Route Deals From $219

The cheapest prices found with in the last 7 days for return flights were $204 and $219 for one-way flights to Great Falls Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$204 Roundtrip, found 3 days ago
$204
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $204 found 3 days ago
Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$250 Roundtrip, found 3 days ago
$250
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $250 found 3 days ago
Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$276 Roundtrip, found 3 days ago
$276
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $276 found 3 days ago
Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$287 Roundtrip, found 3 days ago
$287
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $287 found 3 days ago
Thu, Jan 1 - Fri, Jan 2
DEN
Denver Intl.
GTF
Great Falls Intl.
$440 Roundtrip, found 6 hours ago
$440
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jan 1 from Denver Intl. to Great Falls Intl., returning Fri, Jan 2, priced at $440 found 6 hours ago
Thu, Jan 1 - Fri, Jan 2
DEN
Denver Intl.
GTF
Great Falls Intl.
$542 Roundtrip, found 6 hours ago
$542
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jan 1 from Denver Intl. to Great Falls Intl., returning Fri, Jan 2, priced at $542 found 6 hours ago
Thu, Jan 1 - Fri, Jan 2
DEN
Denver Intl.
GTF
Great Falls Intl.
$558 Roundtrip, found 6 hours ago
$558
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jan 1 from Denver Intl. to Great Falls Intl., returning Fri, Jan 2, priced at $558 found 6 hours ago
Thu, Jan 1 - Fri, Jan 2
DEN
Denver Intl.
GTF
Great Falls Intl.
$647 Roundtrip, found 6 hours ago
$647
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jan 1 from Denver Intl. to Great Falls Intl., returning Fri, Jan 2, priced at $647 found 6 hours 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.