United Flight 347 Deals & Information (2025/2026)

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United Flight 347 Route Deals From $71

The cheapest prices found with in the last 7 days for return flights were $134 and $71 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 16 - Fri, Sep 19
SAN
San Diego Intl.
DEN
Denver Intl.
$134 Roundtrip, found 1 day ago
$134
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 16 from San Diego Intl. to Denver Intl., returning Fri, Sep 19, priced at $134 found 1 day ago
Tue, Aug 26 - Wed, Aug 27
SAN
San Diego Intl.
DEN
Denver Intl.
$143 Roundtrip, found 7 hours ago
$143
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Aug 26 from San Diego Intl. to Denver Intl., returning Wed, Aug 27, priced at $143 found 7 hours ago
Fri, Sep 12 - Sun, Sep 14
SAN
San Diego Intl.
DEN
Denver Intl.
$146 Roundtrip, found 17 hours ago
$146
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Sep 12 from San Diego Intl. to Denver Intl., returning Sun, Sep 14, priced at $146 found 17 hours ago
Fri, Oct 3 - Mon, Oct 6
SAN
San Diego Intl.
DEN
Denver Intl.
$149 Roundtrip, found 3 hours ago
$149
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 3 from San Diego Intl. to Denver Intl., returning Mon, Oct 6, priced at $149 found 3 hours ago
Wed, Sep 3 - Sun, Sep 7
SAN
San Diego Intl.
DEN
Denver Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found
Select United flight, departing Wed, Sep 3 from San Diego Intl. to Denver Intl., returning Sun, Sep 7, priced at $167 just found

Frequently asked questions

What route does flight number UA347 take?
You'll be arriving into DEN from Washington, DC Airport (IAD-Washington Dulles Intl.) if you're traveling on flight number UA347. You'll be in the air for 4 hours and 2 minutes during this trip. It's also worthwhile noting that the flight conveniently operates non-stop.
What kind of plane is on flight number UA347?
The Boeing 737-800 is the aircraft model that's generally used for flight number UA347. This flight nearly always takes off from Washington, DC Airport (IAD-Washington Dulles Intl.) and arrives at Denver, CO Airport (DEN-Denver Intl.).
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 UA347 flight with Travelocity, please visit our Customer Service Portal.