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Portsmouth

$488+ Cheap flights from San Francisco (SFO) to Portsmouth, England

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from San Francisco to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$768
(Delta)

One-way from

$488
(Delta)

Popular in

June

Cheapest in

November

Average price

$1,028
From San Francisco to Portsmouth
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One-way flight from San Francisco to Portsmouth
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Highest demand for flights based on searches. 15% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from San Francisco to Portsmouth

Cheapest flights from San Francisco to Portsmouth
Explore the most affordable flight options available from San Francisco to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/102:50 pmSFO - SOU
1 stop34h 35mDelta
Mon 3/315:35 pmSOU - SFO
2 stops35h 34mDelta
Deal found 1/21$768
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:45 pmSFO - SOU
1 stop35h 00mKLM
Wed 10/85:35 pmSOU - SFO
1 stop26h 10mKLM
Deal found 1/21$1,009
This Ovago deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:45 pmSFO - SOU
1 stop31h 55mMultiple Airlines
Sat 6/149:40 amSOU - SFO
1 stop14h 05mMultiple Airlines
Deal found 1/20$1,190
This British Airways deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:20 pmSFO - SOU
1 stop14h 15mBritish Airways
Mon 3/314:45 pmSOU - SFO
2 stops29h 05mBritish Airways
Deal found 1/21$1,753
This KAYAK deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:20 pmSFO - SOU
1 stop18h 20mAer Lingus
Sat 12/209:30 amSOU - SFO
1 stop14h 00mAer Lingus
Deal found 1/21$9,559

Find flights from San Francisco to Portsmouth within your budget

Customize your flight search to find flights from San Francisco to Portsmouth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 3/10

2:50 pm-8:25 am

1 stop34h 35m

Southampton Eastleigh

Mon 3/31

5:35 pm-9:09 pm

2 stops35h 34m

$768

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 5/31

5:45 pm-9:40 am

1 stop31h 55m

Southampton Eastleigh

Sat 6/14

9:40 am-3:45 pm

1 stop14h 05m

$1,190

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 5/31

3:00 pm-5:00 pm

2 stops18h 00m

Southampton Eastleigh

Sat 6/14

5:35 pm-11:45 am

1 stop26h 10m

$1,211

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 3/12

6:20 pm-3:35 pm

1 stop14h 15m

Southampton Eastleigh

Mon 3/31

4:45 pm-1:50 pm

2 stops29h 05m

$1,753

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 3/2

1:50 pm-8:25 am

1 stop34h 35m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from San Francisco to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco to Portsmouth

Get recent, data-driven insights about flights from San Francisco to Portsmouth including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Francisco to Portsmouth?

Currently, November is the cheapest month in which you can book a flight from San Francisco to Portsmouth (average of $661). Flying from San Francisco to Portsmouth in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to P0R?

Find hourly flight availability from San Francisco to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

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.

What is the cheapest day to fly from San Francisco to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Portsmouth. Price data was last updated on March 3, 2024.

Travelers seeking maximum savings on their San Francisco to Portsmouth flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Portsmouth

Explore weekly flight availability from San Francisco to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from SFO to P0R are scheduled on a Monday (31 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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. 19 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.

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

    Consider Air Canada (85%), Austrian Airlines (85%) or SWISS (85%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Portsmouth.

  • What are the cheapest flights from San Francisco to Portsmouth?

    While on average a flight from San Francisco to Portsmouth is generally $2,305, our data shows the cheapest flight currently is $399. When looking at the most popular route, (San Francisco - Southampton Eastleigh), you can expect to pay $761 for that flight.

  • Can I find deals for flights from San Francisco to Portsmouth that include hotel bookings?

    Yes. In addition to deals on San Francisco to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Portsmouth.

  • Can I find deals for business class flights from San Francisco to Portsmouth?

    Yes. Cheapflights offers flight deals from San Francisco to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Portsmouth (average of $661). Flying from San Francisco to Portsmouth in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 10 airlines flying from San Francisco to Portsmouth

Discover the top 10 airlines that operate flights from San Francisco to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$428Average$546FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$448Average$585FlexibilityNo cancel feeOn-time77%
FinnairCheapest$531Average$657FlexibilityNo cancel feeOn-time76%
SWISSCheapest$541Average$749FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$557Average$1,037FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$572Average$683FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$582Average$968FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$582Average$920FlexibilityNo cancel feeOn-time71%
KLMCheapest$586Average$867FlexibilityNo cancel feeOn-time75%
DeltaCheapest$591Average$915FlexibilityNo cancel feeOn-timeN/A
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