United Flight UA2186 Deals & Information (2025/2026)

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United Flight 2186 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $297 and $149 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 8 - Wed, Nov 12
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$297 Roundtrip, found 5 hours ago
$297
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 8 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Nov 12, priced at $297 found 5 hours ago
Wed, Sep 17 - Sat, Oct 4
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Oct 4, priced at $309 found 1 day ago
Wed, Aug 27 - Sat, Sep 13
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 27 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Sep 13, priced at $312 found 1 day ago
Tue, Sep 30 - Wed, Oct 8
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$316 Roundtrip, found 1 day ago
$316
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 30 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Oct 8, priced at $316 found 1 day ago

Frequently asked questions

What route does flight number UA2186 take?
UA2186 operates direct from San Francisco Airport to SAN. During this journey, you’ll be in the air for 1 hour and 28 minutes. It pays to book ahead to lock in your preferred seat.
What terminal does UA2186 fly out of?
You’ll likely be departing from Terminal 3 if you’re flying on UA2186 direct from San Francisco Intl. Airport (SFO) to SAN.
What kind of plane is on flight number UA2186?
The route for UA2186 is generally San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN), and the Boeing 737-800 is the type of plane you’ll probably be taking off on.
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 UA2186 flight with Travelocity, please visit our Customer Service Portal.