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Portsmouth

$778+ Cheap flights from Fremont, CA to Portsmouth, England

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Fremont to Portsmouth

Keep the following information in mind while searching for Fremont to Portsmouth flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$778
(Delta)

Popular in

June

Cheapest in

October

Average price

$674
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
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From Fremont to Portsmouth
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Fremont to Portsmouth

Cheapest flights from Fremont to Portsmouth
Explore the most affordable flight options available from Fremont to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Delta deal was found by Cheapflights users on 4/2. 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.
Sun 4/271:45 pmSFO - SOU
1 stop35h 05mDelta
Mon 8/255:35 pmSOU - SFO
1 stop26h 10mDelta
Deal found 4/2$778
This KLM deal was found by Cheapflights users on 4/1. 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.
Sat 5/171:45 pmSFO - SOU
1 stop35h 00mKLM
Sat 5/246:05 pmSOU - SFO
1 stop25h 40mKLM
Deal found 4/1$1,002
This KAYAK deal was found by Cheapflights users on 4/2. 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.
Sat 5/105:45 pmSFO - SOU
1 stop17h 45mAer Lingus
Thu 5/229:40 amSOU - SFO
1 stop14h 15mAer Lingus
Deal found 4/2$1,010
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/177:30 amSFO - SOU
3 stops28h 00mMultiple Airlines
Sat 5/244:25 pmSOU - SFO
2 stops37h 00mMultiple Airlines
Deal found 4/1$1,118
This British Airways deal was found by Cheapflights users on 4/2. 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 4/237:30 pmSFO - SOU
2 stops15h 55mBritish Airways
Mon 8/259:40 amSOU - SFO
1 stop14h 15mBritish Airways
Deal found 4/2$2,273

Cheapflights Fare Finder

Customize your flight search to find flights from Fremont 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 April 3, 2025.
Use the filters below to find and compare flights from Fremont to Portsmouth that are best for you.

Fly from

Fremont

Fly to

Portsmouth

Route

Depart

Return

Price

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 4/27

1:45 pm-8:50 am

1 stop35h 05m

Southampton Eastleigh

Mon 8/25

5:35 pm-11:45 am

1 stop26h 10m

$778

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 5/17

1:45 pm-8:45 am

1 stop35h 00m

Southampton Eastleigh

Sat 5/24

6:05 pm-11:45 am

1 stop25h 40m

$1,002

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 5/10

5:45 pm-7:30 pm

1 stop17h 45m

Southampton Eastleigh

Thu 5/22

9:40 am-3:55 pm

1 stop14h 15m

$1,010

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 5/17

7:30 am-7:30 pm

3 stops28h 00m

Southampton Eastleigh

Sat 5/24

4:25 pm-9:25 pm

2 stops37h 00m

$1,118

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 4/23

7:30 pm-7:25 pm

2 stops15h 55m

Southampton Eastleigh

Mon 8/25

9:40 am-3:55 pm

1 stop14h 15m

$2,273

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from Fremont to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Fremont 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.

Cheapflights Insights

Everything you need to know about your flight from Fremont to Portsmouth

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

Currently, November is the cheapest month in which you can book a flight from Fremont to Portsmouth (average of $661). Flying from Fremont to Portsmouth in June is currently the most expensive (average of $1,110). 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 FR8 to P0R?

Find hourly flight availability from Fremont 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 April 3, 2025.

When flying from Fremont 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 Fremont to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Portsmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont 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 Fremont to Portsmouth

Explore weekly flight availability from Fremont 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 April 3, 2025.

The most flights from FR8 to P0R are scheduled on a Monday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 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 April 3, 2025.
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,059 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,717 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 Fremont to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most reliable airlines from Fremont to Portsmouth?

    The top 3 most reliable airlines when flying from Fremont to Portsmouth are Air Canada (85%), Austrian Airlines (85%) and SWISS (85%).

  • What are the cheapest flights from Fremont to Portsmouth?

    The cheapest flight price from Fremont to Portsmouth is $404. On average you can expect to pay $3,188. The most popular route, (San Francisco - Southampton Eastleigh), can usually be booked for $796.

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

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

  • How can I find direct flights from Fremont to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Fremont 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 Fremont to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Fremont to Portsmouth (average of $661). Flying from Fremont to Portsmouth in June is currently the most expensive (average of $1,110). 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.

See more FAQs

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Top 10 airlines flying from Fremont to Portsmouth

Discover the top 10 airlines that operate flights from Fremont 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$290Average$824FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$320Average$578FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$428Average$535FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$465Average$663FlexibilityNo cancel feeOn-time76%
DeltaCheapest$554Average$853FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$555Average$734FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$557Average$993FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$572Average$719FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$584Average$1,023FlexibilityNo cancel feeOn-time62%
KLMCheapest$586Average$884FlexibilityNo cancel feeOn-time75%

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