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$354+ Cheap flights from Santa Ana (SNA) to London (LON)

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to London are usually found in October or September, booked 27 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Cheap flight deals from Santa Ana to London

Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) to London (LON). 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$656
(Air Canada)

One-way from

$354
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$754
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-London (LON) flights.
Search Deals
From Santa Ana J. Wayne/Orange Cnty to London (LON)
Search Deals
One-way flight from Santa Ana J. Wayne/Orange Cnty to London (LON)
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
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Find flight deals from Santa Ana to London

Cheapest flights from Santa Ana to London
Explore the most affordable flight options available from Santa Ana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 12/21:35 pmSNA - LHR
1 stop12h 25mDelta
Tue 12/1612:20 pmLHR - SNA
1 stop17h 59mDelta
Deal found 4/29$638
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:36 pmSNA - LHR
1 stop12h 44mUnited Airlines
Tue 5/202:05 pmLHR - SNA
2 stops29h 51mUnited Airlines
Deal found 4/29$695
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 5/139:45 amSNA - LHR
1 stop16h 05mKLM
Tue 5/2010:55 amLHR - SNA
1 stop13h 16mKLM
Deal found 4/29$718
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:28 pmSNA - LHR
1 stop15h 02mVirgin Atlantic
Thu 8/148:40 amLHR - SNA
2 stops19h 48mVirgin Atlantic
Deal found 4/29$799
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:30 pmSNA - LHR
2 stops33h 05mAir Canada
Thu 8/149:30 amLHR - SNA
2 stops34h 59mAir Canada
Deal found 4/29$805
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/74:27 pmSNA - LGW
2 stops30h 28mMultiple Airlines
Tue 6/1710:00 amLGW - SNA
2 stops29h 16mMultiple Airlines
Deal found 4/30$840
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:35 pmSNA - LHR
1 stop15h 45mMultiple Airlines
Mon 5/195:30 pmLHR - SNA
2 stops35h 19mMultiple Airlines
Deal found 4/30$918
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:20 pmSNA - LCY
2 stops19h 05mLufthansa
Tue 5/208:45 amLCY - SNA
2 stops20h 10mLufthansa
Deal found 4/30$1,000
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:30 pmSNA - LHR
2 stops16h 25mAer Lingus
Tue 5/138:50 amLHR - SNA
2 stops22h 05mAer Lingus
Deal found 4/29$1,009
This Icelandair deal was found by Cheapflights users on 4/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:15 amSNA - LGW
2 stops20h 25mIcelandair
Tue 10/2811:55 amLGW - SNA
2 stops17h 35mIcelandair
Deal found 4/30$1,054
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 8/78:00 amSNA - LCY
2 stops17h 30mDelta
Tue 8/127:45 amLCY - SNA
2 stops20h 43mDelta
Deal found 4/29$1,095
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:20 amSNA - LCY
2 stops21h 10mMultiple Airlines
Mon 8/118:45 amLCY - SNA
2 stops18h 33mMultiple Airlines
Deal found 4/29$1,112

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Ana to London 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 May 1, 2025.
Use the filters below to find and compare flights from Santa Ana to London that are best for you.

Fly from

Santa Ana

Fly to

London

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

10:30 am-11:50 am

2 stops17h 20m

London Heathrow

Wed 9/17

8:40 am-12:23 pm

2 stops35h 43m

$656

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

7:30 am-10:00 am

2 stops18h 30m

London Heathrow

Wed 9/17

2:10 pm-12:23 pm

1 stop30h 13m

$664

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

3:36 pm-12:20 pm

1 stop12h 44m

London Heathrow

Tue 5/20

2:05 pm-11:56 am

2 stops29h 51m

$695

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

6:45 am-11:00 am

2 stops20h 15m

London Heathrow

Tue 5/20

9:55 am-10:27 pm

2 stops20h 32m

$708

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

9:45 am-9:50 am

1 stop16h 05m

London Heathrow

Tue 5/20

10:55 am-4:11 pm

1 stop13h 16m

$718

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/3

2:28 pm-1:30 pm

1 stop15h 02m

London Heathrow

Thu 8/14

8:40 am-8:28 pm

2 stops19h 48m

$799

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Sat 6/7

4:27 pm-6:55 am

2 stops30h 28m

London Gatwick

Tue 6/17

10:00 am-7:16 am

2 stops29h 16m

$840

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 5/15

2:15 pm-1:30 pm

1 stop15h 15m

London Heathrow

Wed 5/21

6:15 am-4:11 pm

2 stops17h 56m

$917

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

1:20 pm-4:25 pm

2 stops19h 05m

London City

Tue 5/20

8:45 am-8:55 pm

2 stops20h 10m

$1,000

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Thu 10/16

10:15 am-2:40 pm

2 stops20h 25m

London Gatwick

Tue 10/28

11:55 am-10:30 pm

2 stops17h 35m

$1,054

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 41 results
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Compare providers for flights from Santa Ana to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Ana to London in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santa Ana-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Santa Ana-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Santa Ana-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Ana-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Ana-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Ana to London

Have a flexible travel schedule? Discover the best time to fly to London from Santa Ana 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 Santa Ana to London

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

Use this chart to determine the optimal time to book a round-trip flight from Santa Ana to London. Price data was last updated on April 25, 2025.

The price you pay for your flight from Santa Ana to London may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Santa Ana to London (average of $661). Flying from Santa Ana to London in June is currently the most expensive (average of $1,103). 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 SNA to LON?

Find hourly flight availability from Santa Ana to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

It’s typically best to fly out from Santa Ana to London in the morning. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Santa Ana to London?

Use this chart to determine the cheapest time to fly round-trip from Santa Ana to London. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Santa Ana to London flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 1, 2025.
To help decide which airline to fly from Santa Ana to London, see what other customers have to say about Delta, KLM and Finnair. 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.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 Santa Ana to London. 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 Santa Ana to London?

    Most people fly from Santa Ana J. Wayne/Orange Cnty (SNA) if they book a flight from Santa Ana to London. On average, J. Wayne/Orange Cnty has 0 outbound flights to London per day from 4 airlines. Santa Ana J. Wayne/Orange Cnty is conveniently located just 4.8 mi from Santa Ana’s city center.

  • What are the cheapest airlines flying from Santa Ana to London round-trip?

    Our cheapest airline available from Santa Ana to London is Air Canada. Our recent data shows that you can find tickets from as low as $664 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $695 and $708 round-trip. Air Canada is priced at 15% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Santa Ana to London one-way?

    The cheapest airlines for a one-way flight from Santa Ana to London are WestJet ($354), United Airlines ($418), and Delta ($493).

  • What are the most popular routes from Santa Ana to London?

    The most popular flight routes from Santa Ana to London are Santa Ana J. Wayne/Orange Cnty - London Heathrow, Santa Ana J. Wayne/Orange Cnty - London Gatwick and Santa Ana J. Wayne/Orange Cnty - London City.

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

    Yes. In addition to deals on Santa Ana to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Ana to London?

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

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

    Yes. Cheapflights offers flight deals from Santa Ana to London 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 Santa Ana to London?

    Currently, November is the cheapest month in which you can book a flight from Santa Ana to London (average of $661). Flying from Santa Ana to London in June is currently the most expensive (average of $1,103). 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

Traveling to a place near Santa Ana?

Book flights to Santa Ana if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

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Top 4 airlines flying from Santa Ana to London

Discover the top 4 airlines that operate flights from Santa Ana to London. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$543Average$954FlexibilityNo cancel feeOn-time72%
DeltaCheapest$612Average$1,007FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$1,067FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$662Average$875FlexibilityNo cancel feeOn-time69%

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