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 $199 and $219 for one-way flights to Great Falls Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 5 - Tue, Mar 10
DEN
Denver Intl.
GTF
Great Falls Intl.
$199 Roundtrip, found 23 hours ago
$199
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Mar 5 from Denver Intl. to Great Falls Intl., returning Tue, Mar 10, priced at $199 found 23 hours ago
Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $204 found 1 day ago
Thu, Feb 19 - Tue, Feb 24
DEN
Denver Intl.
GTF
Great Falls Intl.
$225 Roundtrip, found 23 hours ago
$225
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Feb 19 from Denver Intl. to Great Falls Intl., returning Tue, Feb 24, priced at $225 found 23 hours ago
Thu, Feb 19 - Tue, Feb 24
DEN
Denver Intl.
GTF
Great Falls Intl.
$238 Roundtrip, found 23 hours ago
$238
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Feb 19 from Denver Intl. to Great Falls Intl., returning Tue, Feb 24, priced at $238 found 23 hours ago
Thu, Feb 19 - Tue, Feb 24
DEN
Denver Intl.
GTF
Great Falls Intl.
$246 Roundtrip, found 23 hours ago
$246
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Feb 19 from Denver Intl. to Great Falls Intl., returning Tue, Feb 24, priced at $246 found 23 hours ago
Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $246 found 1 day ago
Thu, Mar 5 - Tue, Mar 10
DEN
Denver Intl.
GTF
Great Falls Intl.
$269 Roundtrip, found 23 hours ago
$269
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Mar 5 from Denver Intl. to Great Falls Intl., returning Tue, Mar 10, priced at $269 found 23 hours ago
Fri, Jan 23 - Tue, Jan 27
DEN
Denver Intl.
GTF
Great Falls Intl.
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 23 from Denver Intl. to Great Falls Intl., returning Tue, Jan 27, priced at $276 found 1 day ago
Wed, Feb 18 - Mon, Feb 23
DEN
Denver Intl.
GTF
Great Falls Intl.
$290 Roundtrip, found 23 hours ago
$290
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Feb 18 from Denver Intl. to Great Falls Intl., returning Mon, Feb 23, priced at $290 found 23 hours ago
Thu, Feb 19 - Tue, Feb 24
DEN
Denver Intl.
GTF
Great Falls Intl.
$297 Roundtrip, found 23 hours ago
$297
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Feb 19 from Denver Intl. to Great Falls Intl., returning Tue, Feb 24, priced at $297 found 23 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.