$263 Cheap United flights from Sun Valley to San Francisco (SUN to SFO)

Find The Best Day To Fly from Sun Valley to San Francisco

Amazing United SUN to SFO Flight Deals

The cheapest flights to San Francisco Intl. found within the past 7 days were $342 round trip and $263 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from SUN to SFO right now?
For information on any present San Francisco Airport travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don't get caught up.
What terminal is United Airlines at Friedman Memorial Airport?
Once you're issued with the boarding pass for your United Airlines flight from SUN to SFO, you should be able to determine which terminals you'll be jetting in and out of. Your carrier will be able to help if those details are missing from your ticket.
Are there United Airlines non-stop flights from SUN to SFO?
As you can't go nonstop from SUN to San Francisco Intl. Airport (SFO) with United Airlines, make the most of your layover. Grab one of your favorite drinks at an inviting airport bar, or wander around the terminal and enjoy some retail therapy.
How long is a United Airlines flight from SUN to SFO?
As it'll take around 4 hours and 44 minutes for your United Airlines flight to jet from SUN to SFO, consider putting a couple of travel games in your cabin bag. You never know — the person beside you might appreciate the chance to play to break up the journey.
How many direct and indirect flights does United Airlines fly from SUN to SFO?
About 7 United Airlines flights travel the route between SUN and SFO each week.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to San Francisco Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to San Francisco

Grand Hyatt at SFO

Grand Hyatt at SFO

4 out of 5
55 S McDonnell Rd, San Francisco, CA
This hotel features a restaurant, a gym, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, laundry service, and valet ...
9.6/10 Exceptional! (1,365 reviews)
"Great"

Reviewed on Jul 15, 2025

Grand Hyatt at SFO
SFO El Rancho Inn SureStay Collection by Best Western

SFO El Rancho Inn SureStay Collection by Best Western

3 out of 5
1100 El Camino Real, Millbrae, CA
This hotel features a 24-hour gym and a seasonal outdoor pool. Traveling on business? Take advantage of the 2 conference rooms, along with free WiFi in public ...
8.2/10 Very Good! (2,840 reviews)
"We only spent 2days and 1 nite but it was great. It’s closer to where we were going. I wouldn’t mind staying at this place again if ever we needed a place to stay. Staff were very friendly and helpful especially Ms Angie at the front desk."

Reviewed on Jul 16, 2025

SFO El Rancho Inn SureStay Collection by Best Western
Crowne Plaza San Francisco Airport by IHG

Crowne Plaza San Francisco Airport by IHG

3.5 out of 5
1177 Airport Blvd, Burlingame, CA
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and airport shuttle. ...
7.6/10 Good! (1,902 reviews)
"The food smelled delicious and awesome customer service"

Reviewed on Jul 16, 2025

Crowne Plaza San Francisco Airport by IHG
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.