Book Cheap United flight from Seattle (SEA) to San Francisco (SFO)

Find The Best Day to Book a Cheap United Flights From Seattle to San Francisco

Cheapest United Flights from Seattle (SEA) to San Francisco (SFO)

The cheapest flights to San Francisco Intl. found within the past 7 days were CA $358 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from SEA to San Francisco Intl. Airport (SFO) right now?
It’s always wise to know about any quarantine requirements and travel advice reports in effect in your destination city. Ensure you visit our Covid-19 Travel Advisor for up-to-date info on flying to SFO from SEA.
What terminal is United Airlines at Sea-Tac Airport?
If you’re flying from Seattle - Tacoma Intl. Airport (SEA) to SFO, the odds are you’ll be getting off the plane at terminal 3. We can’t say for certain which terminal you’ll be departing from — it’s wise to contact your airline.
Are there United Airlines non-stop flights from SEA to SFO?
It is possible to go straight from SEA to SFO with United Airlines and avoid tiresome stopovers. The less time you spend waiting around in the airport, the more time you’ll have for new adventures.
How long is a United Airlines flight from SEA to SFO?
If the weather’s fine and all goes according to plan, your United Airlines flight from SEA to SFO should take roughly 3 hours and 55 minutes. Make use of that short journey to revise the details of your travel itinerary before you come in to land.
What type of aircraft does United Airlines fly from SEA to SFO?
United Airlines commonly operates either the Boeing 737-800 or the Airbus A319 on the flight path between SEA and SFO.
How many direct and indirect flights does United Airlines fly from SEA to SFO?
United Airlines currently offers no fewer than 5 flights every day from SEA to San Francisco Intl. Airport (SFO).
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 SFO, 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.

Grab a great United flight from SEA to SFO 

To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying United Seattle to San Francisco gives you 3 fights to choose from. With that direct flight time of 17, you’ll be touching down before you know it.  

 

Find cheap flights with United between Seattle and San Francisco 

United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to San Francisco with United are .  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your United flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

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

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
Book a stay at this business-friendly hotel in Millbrae. Enjoy free breakfast, an outdoor pool, and a 24-hour fitness center. Our guests praise the breakfast ...
8/10 Very Good! (2,209 reviews)
"Good place"

Reviewed on 29 May 2024

SFO El Rancho Inn SureStay Collection by Best Western
La Quinta Inn & Suites by Wyndham San Francisco Airport West
La Quinta Inn & Suites by Wyndham San Francisco Airport West
2.5 out of 5
1390 El Camino Real, Millbrae, CA
Book a stay at this business-friendly hotel in Millbrae. Enjoy free breakfast, free WiFi, and an outdoor pool. Our guests praise the pool and the helpful staff ...
8.6/10 Excellent! (1,081 reviews)
"Great value for the price. Quiet. Short drive to airport. Had to keep the fan running to clear the air of a cleanser. Like for a couple of hours! $15 per night to park."

Reviewed on 29 May 2024

La Quinta Inn & Suites by Wyndham San Francisco Airport West
The Westin San Francisco Airport
The Westin San Francisco Airport
4 out of 5
1 Old Bayshore Hwy, Millbrae, CA
Book a stay at this business-friendly hotel in Millbrae. Enjoy breakfast (surcharge), a free airport shuttle, and a 24-hour fitness center. Our guests praise ...
8.6/10 Excellent! (1,992 reviews)
"Very nice staff"

Reviewed on 28 May 2024

The Westin San Francisco Airport
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.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.