United Flight 2315 Deals & Information (2025/2026)

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United Flight 2315 Route Deals From $50

The cheapest prices found with in the last 7 days for return flights were $97 and $50 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Fri, Oct 24
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$97 Roundtrip, found 8 hours ago
$97
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Oct 21 from Harry Reid Intl. to San Francisco Intl., returning Fri, Oct 24, priced at $97 found 8 hours ago
Mon, Sep 22 - Mon, Sep 29
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 22 from Harry Reid Intl. to San Francisco Intl., returning Mon, Sep 29, priced at $99 found 1 hour ago
Sat, Oct 18 - Sun, Oct 26
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$108 Roundtrip, found 1 day ago
$108
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 18 from Harry Reid Intl. to San Francisco Intl., returning Sun, Oct 26, priced at $108 found 1 day ago
Mon, Sep 22 - Mon, Sep 29
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 22 from Harry Reid Intl. to San Francisco Intl., returning Mon, Sep 29, priced at $110 found 1 hour ago
Fri, Oct 17 - Mon, Oct 20
LAS
Harry Reid Intl.
SFO
San Francisco Intl.
$112 Roundtrip, found 1 day ago
$112
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 17 from Harry Reid Intl. to San Francisco Intl., returning Mon, Oct 20, priced at $112 found 1 day ago

Frequently asked questions

What route does flight number UA2315 take?
You'll be landing at SEA from San Francisco, CA Airport (SFO-San Francisco Intl.) if you've booked a ticket on flight number UA2315. You'll be in the air for 2 hours and 1 minute on this trip. It's also worthwhile noting that the flight conveniently travels direct.
What terminal does UA2315 fly out of?
You'll likely be jetting out of Terminal 3 if you're traveling on UA2315 direct from SFO to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.).
What kind of plane is on flight number UA2315?
Expect to jump on board an Airbus A319 if you've booked a seat on flight UA2315. Most flights from San Francisco Airport to SEA are operated using this model of aircraft.
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 UA2315 flight with Travelocity, please visit our Customer Service Portal.