United Flight 5739 Deals & Information (2026/2027)

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United Flight 5739 Route Deals From $266

The cheapest prices found with in the last 7 days for return flights were $503 and $266 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 6 - Wed, Oct 7
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$503 Roundtrip, found 3 days ago
$503
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 6 from San Francisco Intl. to Lambert-St. Louis Intl., returning Wed, Oct 7, priced at $503 found 3 days ago

Frequently asked questions

What route does flight number UA5739 take?
UA5739 jets from Denver, CO Airport (DEN-Denver Intl.) to Durango-La Plata County Airport and is a direct flight. This journey takes 1 hour and 5 minutes.
How often is UA5739 on time?
United Airlines flight number UA5739 from Denver Intl. Airport (DEN) to La Plata County Airport (DRO) operates according to schedule 85% of the time — so you can relax knowing that you'll touch down at your destination ASAP. If this journey is late, you can expect to wait about 15 minutes. This route has a star rating of 3.5.
What kind of plane is on flight number UA5739?
Expect to step aboard a Bombardier CRJ if you're traveling on flight UA5739. Most flights from Denver, CO Airport (DEN-Denver Intl.) to DRO operate using this aircraft model.
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 UA5739 flight with Travelocity, please visit our Customer Service Portal.