Cheap flights from London to Modesto from £383

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
8 Sep — 15 Sep1
1 adult

Cheapflights Tip: The best prices from London to Modesto are usually found in February or November, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from London to Modesto

Keep the following information in mind while searching for London to Modesto flight deals. Data was last updated 3 September 2025.

Round-trip from

£410

One-way from

£383

Popular in

July

Cheapest in

February

Average price

£439
United Airlines
  • United Airlines
  • 1/11-5/11
  • 1 total stop
  • 26h 50m total
  • London to Modesto
21/9
  • 21/9
  • 2 total stops
  • 46h 50m total
  • London to Modesto
Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from London to Modesto

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

Thu 11/906:30LHR - SFO
1 stop13h 15mKLM
Wed 24/910:30SFO - LHR
2 stops16h 15mKLM
Deal found 2/9£410
Tue 14/1008:45LHR - SFO
1 stop15h 50mUnited Airlines
Mon 3/1117:25SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 2/9£411
Wed 17/909:25LCY - SFO
1 stop14h 45mSWISS
Sun 21/919:30SFO - LCY
1 stop14h 00mSWISS
Deal found 2/9£411
Fri 17/1006:55LHR - SFO
1 stop15h 35mUnited Airlines
Tue 21/1005:05SFO - LHR
1 stop23h 15mUnited Airlines
Deal found 3/9£412
Tue 16/918:35LGW - SFO
1 stop30h 00mSWISS
Mon 29/919:40SFO - LGW
1 stop14h 10mSWISS
Deal found 3/9£412
Thu 4/1209:15LCY - SFO
1 stop15h 15mSWISS
Mon 8/1219:25SFO - LCY
1 stop15h 15mSWISS
Deal found 2/9£412
Fri 17/1008:40LHR - SFO
1 stop15h 55mUnited Airlines
Mon 20/1019:50SFO - LHR
Nonstop10h 20mUnited Airlines
Deal found 2/9£412
Fri 19/919:30LCY - SFO
1 stop29h 05mSWISS
Mon 22/919:40SFO - LCY
1 stop15h 05mSWISS
Deal found 3/9£412
Thu 18/916:25LHR - SFO
Nonstop11h 05mVirgin Atlantic
Sat 20/913:44SFO - LHR
1 stop33h 01mVirgin Atlantic
Deal found 3/9£413
Fri 5/1215:25LHR - SFO
Nonstop11h 20mBritish Airways
Sat 13/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 2/9£415
Thu 18/909:25LCY - SFO
1 stop14h 45mSWISS
Mon 22/919:40SFO - LCY
1 stop15h 05mSWISS
Deal found 3/9£415
Thu 11/911:15LHR - SFO
Nonstop11h 00mDelta
Wed 24/921:20SFO - LHR
Nonstop10h 20mDelta
Deal found 2/9£415

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Modesto 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 858,174 searches. Data last updated 3 September 2025.
Use the filters below to find and compare flights from London to Modesto that are best for you.

Fly from

London

Fly to

Modesto

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 23/10

13:45-16:10

1 stop34h 25m

San Francisco

Wed 19/11

08:25-07:10

1 stop14h 45m

£411

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 5/11

09:25-16:30

1 stop15h 05m

San Francisco

Mon 10/11

19:25-17:05

1 stop13h 40m

£411

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 14/10

08:45-16:35

1 stop15h 50m

San Francisco

Mon 3/11

17:25-12:00

Nonstop10h 35m

£411

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Thu 30/10

09:15-17:30

1 stop15h 15m

San Francisco

Tue 4/11

19:25-18:40

1 stop15h 15m

£411

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/10

08:40-16:10

1 stop15h 30m

San Francisco

Mon 3/11

17:25-12:00

Nonstop10h 35m

£411

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 7/1

11:45-15:00

Nonstop11h 15m

San Francisco

Mon 16/3

21:40-15:10

Nonstop10h 30m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 18/11

11:40-14:40

Nonstop11h 00m

San Francisco

Mon 24/11

00:45-07:05

1 stop22h 20m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/3

11:40-14:40

Nonstop11h 00m

San Francisco

Thu 5/3

00:40-07:05

1 stop22h 25m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 7/1

11:45-15:00

Nonstop11h 15m

San Francisco

Tue 17/3

21:40-15:10

Nonstop10h 30m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 28/9

11:15-14:15

Nonstop11h 00m

San Francisco

Tue 18/11

00:45-07:05

1 stop22h 20m

£412

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 60 results
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Best time to book a flight from London to Modesto

Have a flexible travel schedule? Discover the best time to fly to Modesto from London with our price prediction graph.
Estimated return 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 London to Modesto

How far ahead should I book a flight from London to Modesto?

Use this chart to determine the optimal time to book a return flight from London to Modesto. Price data was last updated on 29 August 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Modesto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Modesto?

Currently, February is the cheapest month in which you can book a flight from London to Modesto (average of £538). Flying from London to Modesto in July is currently the most expensive (average of £803). 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 LON to MD9?

Find hourly flight availability from London to Modesto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Modesto as you normally would.

What is the cheapest day to fly from London to Modesto?

Use this chart to determine the cheapest time to fly return from London to Modesto. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Modesto flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Modesto

Explore weekly flight availability from London to Modesto. 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 3 September 2025.

The most flights from LON to MD9 are scheduled on a Monday (42 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing Modesto

Get insights into the airlines that provide service to Modesto. 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 Modesto. Reviews last updated 3 September 2025.
Read reviews from past customers who have flown with KLM, United Airlines, andVirgin Atlantic from London to Modesto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from London to Modesto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from London to Modesto?

    United Airlines, SWISS, and British Airways can get you from London to Modesto in just under 11h 15m. Your travel time can differ by up to 23h 10m. There are 5350 mi between London and Modesto. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London to Modesto?

  • What are the most reliable airlines from London to Modesto?

    The top 3 most reliable airlines when flying from London to Modesto are KLM (86%), Air France (86%) and Delta (86%).

  • What are the cheapest flights from London to Modesto?

    The cheapest flight price from London to Modesto is £420. On average you can expect to pay £1,922. The most popular route, (London Heathrow - San Francisco), can usually be booked for £247.

  • Can I find deals for flights from London to Modesto that include hotel bookings?

    Yes. In addition to deals on London to Modesto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Modesto?

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

  • Can I find deals for business class flights from London to Modesto?

    Yes. Cheapflights offers flight deals from London to Modesto 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 London to Modesto?

    Currently, February is the cheapest month in which you can book a flight from London to Modesto (average of £538). Flying from London to Modesto in July is currently the most expensive (average of £803). 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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Alternative routes for London to Modesto

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

Top 10 airlines flying from London to Modesto

Discover the top 10 airlines that operate flights from London to Modesto. 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 858,174 searches. Data last updated 3 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£237Average£491FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£338Average£567FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£350Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£351Average£557FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
SWISSCheapest£352Average£433FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£352Average£566FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£359Average£474FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air CanadaCheapest£360Average£487FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£362Average£499FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£365Average£591FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Modesto?

When you search for this flight from London to Modesto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Modesto?

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Can Cheapflights find flights from London to Modesto with no change fees?

Need flexible booking options for your flight to Modesto from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Modesto become cheaper?

Not ready to book yet? You can track prices for flights from London to Modesto on Cheapflights with our Price Alert feature and get notified when better prices are available.

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