United Flight 2351 Deals & Information (2025/2026)

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United Flight 2351 Route Deals From $104

The cheapest prices found with in the last 7 days for return flights were $193 and $104 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Mon, Nov 24
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$193 Roundtrip, found 2 days ago
$193
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 18 from San Francisco Intl. to Washington Dulles Intl., returning Mon, Nov 24, priced at $193 found 2 days ago
Tue, Nov 18 - Mon, Nov 24
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 18 from San Francisco Intl. to Washington Dulles Intl., returning Mon, Nov 24, priced at $217 found 2 days ago
Tue, Nov 18 - Mon, Nov 24
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 18 from San Francisco Intl. to Washington Dulles Intl., returning Mon, Nov 24, priced at $222 found 2 days ago
Tue, Nov 18 - Mon, Nov 24
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 18 from San Francisco Intl. to Washington Dulles Intl., returning Mon, Nov 24, priced at $241 found 2 days ago
Fri, Oct 24 - Mon, Oct 27
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$273 Roundtrip, found 3 hours ago
$273
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 24 from San Francisco Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $273 found 3 hours ago

Frequently asked questions

What route does flight number UA2351 take?
UA2351 operates between SBA and DIA airport directly. This service typically takes 2 hours and 24 minutes.
What kind of plane is on flight number UA2351?
You're likely to be traveling aboard an Airbus A319 if you're on flight number UA2351. This flight nearly always jets off from Santa Barbara, CA Airport (SBA-Santa Barbara Municipal) and touches down at Denver Intl. Airport (DEN).
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 UA2351 flight with Travelocity, please visit our Customer Service Portal.