United Flight 5040 Deals & Information (2026/2027)

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United Flight 5040 Route Deals From $210

The cheapest prices found with in the last 7 days for return flights were $257 and $210 for one-way flights to Yellowstone Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $257 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$275 Roundtrip, found 6 days ago
$275
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $275 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$309 Roundtrip, found 6 days ago
$309
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $309 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$326 Roundtrip, found 6 days ago
$326
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $326 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$333 Roundtrip, found 6 days ago
$333
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $333 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$367 Roundtrip, found 6 days ago
$367
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $367 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$377 Roundtrip, found 6 days ago
$377
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $377 found 6 days ago
Fri, May 22 - Sun, May 24
DEN
Denver Intl.
COD
Yellowstone Regional
$418 Roundtrip, found 6 days ago
$418
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 22 from Denver Intl. to Yellowstone Regional, returning Sun, May 24, priced at $418 found 6 days ago
Tue, Jun 23 - Sun, Jun 28
DEN
Denver Intl.
COD
Yellowstone Regional
$687 Roundtrip, found 4 days ago
$687
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 23 from Denver Intl. to Yellowstone Regional, returning Sun, Jun 28, priced at $687 found 4 days ago
Sat, Jun 27 - Wed, Jul 8
DEN
Denver Intl.
COD
Yellowstone Regional
$715 Roundtrip, found 4 days ago
$715
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 27 from Denver Intl. to Yellowstone Regional, returning Wed, Jul 8, priced at $715 found 4 days ago
Tue, Jun 23 - Sun, Jun 28
DEN
Denver Intl.
COD
Yellowstone Regional
$773 Roundtrip, found 4 days ago
$773
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 23 from Denver Intl. to Yellowstone Regional, returning Sun, Jun 28, priced at $773 found 4 days ago
Sat, Jun 27 - Wed, Jul 8
DEN
Denver Intl.
COD
Yellowstone Regional
$865 Roundtrip, found 4 days ago
$865
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 27 from Denver Intl. to Yellowstone Regional, returning Wed, Jul 8, priced at $865 found 4 days ago
Tue, Jun 23 - Sun, Jun 28
DEN
Denver Intl.
COD
Yellowstone Regional
$870 Roundtrip, found 4 days ago
$870
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 23 from Denver Intl. to Yellowstone Regional, returning Sun, Jun 28, priced at $870 found 4 days ago
Sat, Jun 27 - Wed, Jul 8
DEN
Denver Intl.
COD
Yellowstone Regional
$880 Roundtrip, found 4 days ago
$880
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 27 from Denver Intl. to Yellowstone Regional, returning Wed, Jul 8, priced at $880 found 4 days ago
Tue, Jun 23 - Sun, Jun 28
DEN
Denver Intl.
COD
Yellowstone Regional
$911 Roundtrip, found 4 days ago
$911
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 23 from Denver Intl. to Yellowstone Regional, returning Sun, Jun 28, priced at $911 found 4 days ago

Frequently asked questions

What route does flight number UA5040 take?
UA5040 operates direct from Cape Girardeau Municipal Airport (CGI) to Chicago, IL Airport (ORD-O'Hare Intl.). During this journey, expect to be in the air for about 1 hour and 33 minutes. Book ahead to lock in your preferred seat.
How often is UA5040 on time?
If you're flying on United Airlines flight number UA5040 between Cape Girardeau Regional Airport and Chicago, IL Airport (ORD-O'Hare Intl.), 85% of these services leave on time. On the rare occasion that there is a delay, the wait time is approximately 51 minutes on average. Thanks to the airline's first-rate service, this flight has earned a star rating of 1.75.
What kind of plane is on flight number UA5040?
The Bombardier CRJ is the aircraft that's mostly used for flight UA5040. This flight typically heads off from CGI and arrives at O'Hare Intl. Airport (ORD).
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 UA5040 flight with Travelocity, please visit our Customer Service Portal.