SFO

£465 Find Cheap Flights from Portsmouth to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to San Francisco departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£598
Aer Lingus
Tue 5/5Tue 12/5
SOU - SFO • 1 stop
Cheapest one-way flight
£465
British Airways
Sun 20/9
SOU - SFO • 2 stops
Direct flights
Every day
You can fly direct with ANA, Aer Lingus, and others. Average duration is 0
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Portsmouth to San Francisco

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portsmouth to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portsmouth to San Francisco

Tue, 5 May - Tue, 12 May
Aer Lingus Logo
09:20 - 15:55
SOU
-
SFO
14h 35m
1 stop
Aer Lingus Logo
17:40 - 19:30
SFO
-
SOU
17h 50m
1 stop
£598Aer Lingus
Mon, 4 May - Mon, 11 May
Aer Lingus Logo
20:00 - 15:55
SOU
-
SFO
27h 55m
1 stop
Aer Lingus Logo
17:35 - 19:30
SFO
-
SOU
17h 55m
1 stop
£631Aer Lingus
Tue, 5 May - Tue, 12 May
Aer Lingus Logo
09:20 - 15:55
SOU
-
SFO
14h 35m
1 stop
Aer Lingus Logo
17:40 - 08:40
SFO
-
SOU
31h 00m
1 stop
£634Aer Lingus
Tue, 5 May - Tue, 12 May
KLM Logo
09:05 - 11:45
SOU
-
SFO
34h 40m
1 stop
KLM Logo
06:00 - 08:35
SFO
-
SOU
18h 35m
2 stops
£645KLM
Mon, 4 May - Mon, 11 May
KLM Logo
09:05 - 20:51
SOU
-
SFO
19h 46m
2 stops
KLM Logo
13:45 - 08:35
SFO
-
SOU
34h 50m
1 stop
£646KLM
Tue, 5 May - Tue, 12 May
KLM Logo
09:05 - 20:51
SOU
-
SFO
19h 46m
2 stops
KLM Logo
06:00 - 08:35
SFO
-
SOU
18h 35m
2 stops
£652KLM
Tue, 5 May - Tue, 12 May
Delta Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
Delta Logo
11:55 - 16:50
SFO
-
SOU
20h 55m
2 stops
£663Delta
Mon, 4 May - Mon, 11 May
Delta Logo
09:05 - 23:18
SOU
-
SFO
22h 13m
2 stops
Delta Logo
22:30 - 08:35
SFO
-
SOU
26h 05m
2 stops
£665Delta
Tue, 5 May - Tue, 12 May
Delta Logo
09:05 - 19:56
SOU
-
SFO
18h 51m
2 stops
Delta Logo
11:55 - 16:50
SFO
-
SOU
20h 55m
2 stops
£667Delta
Thu, 7 May - Thu, 14 May
KLM Logo
09:05 - 11:45
SOU
-
SFO
34h 40m
1 stop
KLM Logo
13:45 - 08:45
SFO
-
SOU
35h 00m
1 stop
£672KLM
Useful Info

Good to know - Cheap tickets from Portsmouth to San Francisco

Low seasonJanuary
Cheapest flight£465
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from Southampton to San Francisco

When to book flights from Portsmouth to San Francisco

Are your dates flexible? Find out the best times to travel from Portsmouth to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking flights from Portsmouth to San Francisco

  • How does KAYAK find such low prices on flights from Portsmouth to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portsmouth to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portsmouth to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Portsmouth is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portsmouth to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Portsmouth with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portsmouth to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Portsmouth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portsmouth to San Francisco

Information on your arrival and departure airports

San Francisco (SFO)