Cheap flights from San Francisco (SFO) to Portsmouth

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How to find the cheapest flight from
San Francisco (SFO) to Portsmouth

All the information you need to plan the best SFO to LHR flight in 2022: compare San Francisco to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
What is the cheapest month to fly from San Francisco to Portsmouth?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Portsmouth. Flights to Portsmouth from San Francisco in February are about $510 on average during February, but can be found for as low as $369.

When is the cheapest time to fly from San Francisco to Portsmouth (SFO - P0R)?

When flying from San Francisco to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far in advance should I book a flight from San Francisco to Portsmouth?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 79% on flights from San Francisco to Portsmouth compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $701. For sooner than that we have options available in the next 3 days from $885.

Cheap flights from San Francisco to Portsmouth in May, June 2022

The best prices found for SFO to Portsmouth flights for May, June
13 Jun - 20 Jun
$1,237pp
SFO
San Francisco
KLM
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
KLM
 
1 STOP
SFO
San Francisco
13 Jun - 20 Jun
$1,468pp
SFO
San Francisco
Air France
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Air France
   
2 STOPS
SFO
San Francisco
31 May - 21 Jun
$1,861pp
SFO
San Francisco
British Airways
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
British Airways
   
2 STOPS
SFO
San Francisco

San Francisco to Portsmouth 2022 flight deals

Cheap flights to Portsmouth from San Francisco found for this year
16 Sep - 30 Sep
$916pp
SFO
San Francisco
KLM
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
KLM
 
1 STOP
SFO
San Francisco
16 Sep - 30 Sep
$1,110pp
SFO
San Francisco
Air France
   
2 STOPS
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
Air France
   
2 STOPS
SFO
San Francisco
13 Jun - 20 Jun
$1,237pp
SFO
San Francisco
KLM
 
1 STOP
SOU
Southampton Eastleigh
SOU
Southampton Eastleigh
KLM
 
1 STOP
SFO
San Francisco

One-way flights to Portsmouth from San Francisco

The cheapest one-way flights from San Francisco to Portsmouth
1:25 pm - 12:00 pm
Multiple Airlines
1 Stop
14h 35m
SFO - SOU
Multiple Airlines
$891
Kiwi.com
1:25 pm - 12:50 pm
KLM
1 Stop
15h 25m
SFO - SOU
KLM
$899
KLM
9:45 am - 12:50 pm
KLM
1 Stop
19h 05m
SFO - SOU
KLM
$949
KLM

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Portsmouth</span> flights.

Flight FAQs

From San Francisco to Portsmouth

What airport do you fly from for flights from San Francisco to Portsmouth?

San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Portsmouth. 29 airlines have flights from San Francisco to Portsmouth on a regular basis. Booking flights from San Francisco to Portsmouth should not be difficult; the airport handles an average of 0 outbound flights to Portsmouth per day.

Which airlines flying from San Francisco to Portsmouth have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like KLM and British Airways flying from San Francisco to Portsmouth have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Portsmouth for under $1,000 on Cheapflights?

Yes, there are multiple flights from San Francisco to Portsmouth for under $1,000. The cheapest flight booked recently is on KLM for just $916, but on average you can expect to pay $3,464.

What are the cheapest flights from San Francisco to Portsmouth?

While on average a flight from San Francisco to Portsmouth is generally $3,674, our data shows the cheapest flight currently is $320. When looking at the most popular route, (San Francisco - Southampton Eastleigh), you can expect to pay $916 for that flight.

What are the most reliable airlines from San Francisco to Portsmouth?

Consider Brussels Airlines (92%), Air Canada (88%) or Austrian Airlines (88%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Portsmouth.

What are the most popular airlines that fly from San Francisco to Portsmouth?

Major Airline, American Airlines and Air Canada are the most popular airlines when flying from San Francisco to Portsmouth.

COVID Restrictions

View COVID Travel Restrictions for Portsmouth

Do I need a COVID test to fly to Portsmouth from San Francisco?

Information is based on travel restrictions from San Francisco to Portsmouth

Most visitors from San Francisco can enter Portsmouth without restrictions.

COVID-19 testing requirements
Visitors from San Francisco are not required to present a negative COVID-19 PCR test or antigen result upon entering Portsmouth.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Portsmouth.

Do I need a test to fly back to San Francisco from Portsmouth?

Returning to San Francisco from Portsmouth

COVID-19 testing requirements
Visitors from Portsmouth must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Francisco.

Quarantine requirements
Visitors from Portsmouth are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Portsmouth

Alternative routes for San Francisco to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Portsmouth

Things to know before you go - useful duration and weather info for your trip from San Francisco to Portsmouth.
Today's exchange rate
$1 = £0.82
Average temperature for May in Portsmouth
62.6 °F

Airports servicing San Francisco

Airports servicing Portsmouth

Top 10 airlines flying from San Francisco to Portsmouth

The chart below displays the airlines Cheapflights users traveling from San Francisco to Portsmouth choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$9 $18 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Iberia
$351 $665 No cancel fee 77%
TAP AIR PORTUGAL
$352 $555 No cancel fee N/A
Norwegian
$364 $759 No cancel fee 74%
Scandinavian Airlines
$415 $599 No cancel fee 77%
Finnair
$427 $754 No cancel fee 76%
SWISS
$440 $1,001 No cancel fee 79%
Austrian Airlines
$477 $999 No cancel fee 78%
Singapore Airlines
$491 $1,840 No cancel fee 81%
Air France
$496 $800 No cancel fee 77%

Hourly flight availability from San Francisco to Portsmouth

See what time of day planes typically take off from San Francisco towards Portsmouth.
Afternoon Noon to 6 PM 50% of SFO to Portsmouth departures
Evening 6 PM to midnight 50% of SFO to Portsmouth departures
Early morning Midnight to 6 AM 0% of SFO to Portsmouth departures
Morning 6 AM to noon 0% of SFO to Portsmouth departures
Midnight
6 AM
Noon
6 PM
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