United Flight UA738 Deals & Information (2025/2026)

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United Flight 738 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $135 and $79 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 30 - Wed, Sep 3
DEN
Denver Intl.
IAH
George Bush Intercontinental
$135 Roundtrip, found 2 days ago
$135
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 30 from Denver Intl. to George Bush Intercontinental, returning Wed, Sep 3, priced at $135 found 2 days ago
Mon, Sep 22 - Wed, Sep 24
DEN
Denver Intl.
IAH
George Bush Intercontinental
$143 Roundtrip, found 4 days ago
$143
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 22 from Denver Intl. to George Bush Intercontinental, returning Wed, Sep 24, priced at $143 found 4 days ago
Mon, Aug 11 - Thu, Aug 14
DEN
Denver Intl.
IAH
George Bush Intercontinental
$148 Roundtrip, found 2 days ago
$148
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 11 from Denver Intl. to George Bush Intercontinental, returning Thu, Aug 14, priced at $148 found 2 days ago
Sat, Nov 1 - Thu, Nov 6
DEN
Denver Intl.
IAH
George Bush Intercontinental
$157 Roundtrip, found 17 hours ago
$157
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Nov 1 from Denver Intl. to George Bush Intercontinental, returning Thu, Nov 6, priced at $157 found 17 hours ago
Tue, Aug 19 - Mon, Aug 25
DEN
Denver Intl.
IAH
George Bush Intercontinental
$160 Roundtrip, found 5 hours ago
$160
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Aug 19 from Denver Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $160 found 5 hours ago
Sat, Nov 1 - Thu, Nov 6
DEN
Denver Intl.
IAH
George Bush Intercontinental
$167 Roundtrip, found 17 hours ago
$167
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Nov 1 from Denver Intl. to George Bush Intercontinental, returning Thu, Nov 6, priced at $167 found 17 hours ago

Frequently asked questions

What route does flight number UA738 take?
UA738 serves multiple routes, but the most common is between DSM and DEN. If on a direct flight, you'll stroll through arrivals in roughly 1 hour and 57 minutes. Multi-stop flights can also use this number, as can flights on other routes.
What kind of plane is on flight number UA738?
It's more than likely you'll be boarding the Airbus A319 if you're taking flight UA738 from DSM to Denver, CO Airport (DEN-Denver Intl.). It's the most commonly used type of aircraft on this popular route.
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 UA738 flight with Travelocity, please visit our Customer Service Portal.