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Find cheap United Airlines flights to San Francisco from $81

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Good to know

Low season

January

High season

June

Cheapest flight

$81

Average price round-trip

$2,196

Good deal round-trip

$519

Good deal one-way

$396
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Seattle to San Francisco
(avg. price over the last 2 weeks)
or less
or less

When to book flights with United Airlines to San Francisco

Average price per month
Flight prices as travel date approaches

FAQs for flying to San Francisco with United Airlines

  • Is United Airlines cheaper than other airlines flying to San Francisco?

    With an average return price of $650, United Airlines is the most expensive airline flying into San Francisco. The cheapest airline flying to San Francisco is Frontier.

  • Which other airlines fly to San Francisco?

    Along with United Airlines, you can also fly to San Francisco with American Airlines, Alaska Airlines, Delta, Frontier, Breeze Airways, Alaska Airlines, Delta, Frontier and Breeze Airways.

  • How much is a flight to San Francisco with United Airlines?

    On average, United Airlines flights to San Francisco cost $375 for one-way and $650 return.

  • Which airport do United Airlines flights to San Francisco fly into?

    You’ll fly into San Francisco Airport when flying to San Francisco with United Airlines.

  • Are there any other airlines in Star Alliance that fly to San Francisco?

    Unfortunately, there are no other airlines in Star Alliance that fly to San Francisco.

See more FAQs

Top tips for your flights to San Francisco with United Airlines

  • Looking to fly from the United States to San Francisco with United Airlines? 25% of our users found flights for the following prices or less: From Medford $163 one-way, $393 round-trip; from San Antonio $193 one-way, $389 round-trip; from Nashville $221 one-way, $490 round-trip.
  • The cheapest flight to San Francisco with United Airlines found on KAYAK in the last 2 weeks departed from Eugene and cost $89.

United Airlines customer reviews

7.4
GoodBased on 10,784 verified guest reviews
7.7Boarding
8.1Crew
6.7Food
7.2Comfort
7.1Entertainment
Pros +
Cons -
Traveler rating:
Sort by:
R
6.8 Okay
Pros:The crew was excellent - courteous/aware/friendly. The flight, although 2 hours delayed (9;20pm scheduled departure) was pleasant and smooth. Also, the de-boarding process was surprisingly quick.
Cons:A 2 hour delay at 9:20pm at night is unfortunate yet frustrating experience, especially when we moved our flight up due to a travel warning for EWR (ironically enough, our originally scheduled flight (1922 MCO-EWR). I'm giving an overall OK (instead of good) due to the fact that there were no snacks (although I did not want anything, it didn't go unnoticed) and although there was free inflight entertainment for personal devices, I feel the passengers should have been given free internet access - in my opinion, it would have been the appropriate thing to do. In any case, this experience doesn't change my positive opinion of United.
A
4.6 Mediocre
Cons:The first contact in the airport was quite rude when informing me that I had to measure my suitcase for size. I have carried this suitcase on on every airline for over 10 years....the size got smaller and United got $25.00....not happy. There was NO free movies, no access to TV, flight pattern....nothing and it could not be turned off. ONE cookie for a coast-to-coast flight. What happened to United?
A
10.0 Wonderful
On time departure and arrival.
A
10.0 Wonderful
Pros:Nice smooth flight
Cons:Everything
B
5.6 Fair
Cons:More water, drinks. The food was absolutely horrible.
A
7.3 Good
Pros:Amazing crew
Cons:Tight seats, no access to actual WiFi unless you purchase a yearly or monthly plan
S
4.6 Mediocre
Pros:Ordered the Protein Box, it was ok.. crew members nice.
Cons:The Smell on the flight was unacceptable, I was sitting about a couple rows across the middle bathroom, and it smelled horrible, I had never had an experience like this on any other flight, I fly United many times a year, and this had me really uncomfortable for almost 5 hours, since the flight was delayed almost 1.5 hours while we sat onboard the aircraft at the gate, that had me miss dinner plans too in San Francisco as well. I really hope they can fix that, For the good of the passengers, felt like I was going to be nauseous all the time, and I'm really not someone that complains or takes time to review badly.
N
4.6 Mediocre
Cons:2.5 hour delay. No working bathrooms. Couldn't hear the tv and headphones that they gave out were useless.
A
2.0 Poor
Cons:Purchased tickets 4 months before this flight for a departure time of 6:05pm. Tried to check in and check baggage at 9:30am but was turned away saying I could only check in 3 hrs prior to my flight. Came back at 3:00pm to check-in and they could not find my information. An hour later they find out that they cancelled the flight and moved my departure time to 8:25am for that day. They say they emailed 3 times in May but I never got it (I'm a bit crazy about my email staying clean) so they say it might have went in to my spam folder due to they types of emails they send to customers. They only kept repeating that they notified me so there is nothing they could do. I ended up going to Air Canada to get a flight to PHX the next day. No apology, no help, no hotel for the night...Terrible experience by United. They gave me a customer relations group contact information to follow up with for complaint but since they sent me the 3 emails in May about the change, they have no liability to fix the situation.
A
2.0 Poor
Cons:Departure was delayed. No explanation. The boarding area is crowded and confusing. The plane's bins were too small for roller boards so passengers had to carry bags outdoors in snow and terrible wind, to get them loaded. The Newark airport where the plane landed was miserable! Departure from Newark was worse than landing if that could be possible! Awful!
Read more about United Airlines

Book Cheap flights with United Airlines to San Francisco

Recent round-trip flight deals

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Flights to San Francisco - United Airlines

Destination:

San Francisco (SFO)United States

Return flight deals:

San Francisco - United States

Cabin classes:

$258
First Class flights to San Francisco
$419
Business Class flights to San Francisco
$198
$38

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