United Flight 3863 Deals & Information (2025/2026)

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United Flight 3863 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $257 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.
$257 Roundtrip, found 14 hours ago
$257
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Nov 8 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Nov 12, priced at $257 found 14 hours ago
Sat, Aug 30 - Tue, Sep 2
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$259 Roundtrip, found 18 hours ago
$259
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Aug 30 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Sep 2, priced at $259 found 18 hours ago
Sat, Oct 25 - Tue, Oct 28
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$273 Roundtrip, found 4 days ago
$273
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 25 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Oct 28, priced at $273 found 4 days ago
Tue, Sep 16 - Sat, Oct 4
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$276 Roundtrip, found 4 days ago
$276
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 16 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Oct 4, priced at $276 found 4 days ago
Sat, Sep 27 - Wed, Oct 1
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$277 Roundtrip, found 6 days ago
$277
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 27 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Oct 1, priced at $277 found 6 days ago
Tue, Sep 16 - Sat, Oct 4
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$281 Roundtrip, found 4 days ago
$281
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 16 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Oct 4, priced at $281 found 4 days ago
Sat, Oct 4 - Sat, Oct 18
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 4 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Oct 18, priced at $283 found 1 day ago
Tue, Sep 16 - Sat, Oct 4
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$286 Roundtrip, found 4 days ago
$286
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 16 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Oct 4, priced at $286 found 4 days ago
Thu, Oct 16 - Tue, Oct 21
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$287 Roundtrip, found 12 hours ago
$287
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Oct 16 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Oct 21, priced at $287 found 12 hours ago
Thu, Sep 11 - Sat, Sep 13
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$290 Roundtrip, found 20 hours ago
$290
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Sep 11 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Sep 13, priced at $290 found 20 hours ago
Sat, Aug 30 - Tue, Sep 2
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$291 Roundtrip, found 18 hours ago
$291
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Aug 30 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Sep 2, priced at $291 found 18 hours ago
Wed, Oct 1 - Wed, Oct 15
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 1 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Oct 15, priced at $294 found 1 day ago
Thu, Oct 16 - Tue, Oct 21
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$299 Roundtrip, found 12 hours ago
$299
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Oct 16 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Oct 21, priced at $299 found 12 hours ago
Sat, Sep 27 - Wed, Oct 1
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 27 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Oct 1, priced at $304 found 6 days ago
Tue, Sep 9 - Thu, Sep 11
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$312 Roundtrip, found 4 hours ago
$312
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Washington Dulles Intl. to San Francisco Intl., returning Thu, Sep 11, priced at $312 found 4 hours ago
Sat, Oct 4 - Sat, Oct 18
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 4 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Oct 18, priced at $314 found 1 day ago

Frequently asked questions

What route does flight number UA3863 take?
You'll be touching down at O'Hare Airport from University Park Airport (SCE) if you're traveling on flight number UA3863. You'll be in the air for 1 hour and 56 minutes on this trip. It's also good to note that it conveniently travels non-stop.
What kind of plane is on flight number UA3863?
The route for flight number UA3863 is most commonly State College, PA Airport (SCE-University Park) to ORD, and the Bombardier CRJ is the type of aircraft you'll probably be flying with.
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 UA3863 flight with Travelocity, please visit our Customer Service Portal.