Cheap flights from Orange County to London (LON) from $287

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
SNA — LON
Oct 3 — Oct 101

How far in advance should I book a flight from Orange County to London?

To save up to 33% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Orange County to London from $1,103 1-2 weeks out and tickets from $1,332 for flights departing within the next 72 hours.

What is the cheapest month to fly from Orange County to London?

February can be a great time to fly to London from Orange County with a flight ticket averaging about $892. Cheapflights users have found deals in the month of February for as cheap as $573. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Orange County to London (KFI - LON)?

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

Cheap Delta flights from Orange County to London

Take a look at some of the lowest-priced Delta flights heading from Orange County to London. Make sure to double check the flight details before booking.

Cheap KLM flights from Orange County to London

Have a look at some of the cheapest available KLM flights departing from Orange County and landing in London. Make sure to examine the flight information before completing your reservation.

Cheap Orange County to London flights in September & October 2023

The best prices found for Orange County to LON flights for September, October
Listed are some of the best fares we've found on flights departing from Orange County to London in 2023. Check back in a little while for more flight options.

Orange County to London 2023 flight deals

Cheap flights to London from Orange County found for this year
Listed are some of the best fares we've found on flights departing from Orange County to London in 2023. Check back in a little while for more flight options.

Orange County to London flights leaving soon

Late deals on return flights to London from Orange County, departing today and this week
Have a look at some of the flights available from Orange County to London departing last-minute. It's wise to confirm all flight details are correct before booking.

One-way flights to London from Orange County

The cheapest one-way flights from Orange County to London
Take a look at some of the one-way flights we've detected from Orange County to London. Users needing a return flight from Orange County to London should utilize the search form above.

Find flights from Orange County to London within your budget

Use the slider to find flights from Orange County to London that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$601 - $701

Route

Depart

Return

Price

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/18

1 stop12h 23m

London Heathrow

Tue 10/24

1 stop16h 39m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/16

1 stop16h 15m

London Heathrow

Wed 10/25

2 stops19h 43m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/17

2 stops17h 05m

London Heathrow

Tue 10/24

2 stops20h 27m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/16

1 stop16h 15m

London Heathrow

Wed 10/25

1 stop18h 20m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 2/28

2 stops17h 35m

London Heathrow

Mon 3/4

2 stops37h 45m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/16

1 stop15h 20m

London Heathrow

Tue 10/31

1 stop28h 45m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/16

2 stops16h 40m

London Heathrow

Wed 10/25

2 stops17h 58m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/29

2 stops17h 27m

London Heathrow

Mon 12/4

2 stops19h 36m

Santa Ana J. Wayne/Orange CntyLondon Heathrow

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 11/30

1 stop13h 09m

London Heathrow

Sat 12/9

1 stop18h 57m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing London

To help decide which airline to fly from Orange County to London, see what other customers have to say about Delta, KLM and Virgin Atlantic. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.2

Food

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.2

Food

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.2

Food

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Air France
7.6
Good
274 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.2

Food

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

KLM
7.5
Good
196 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.2

Food

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.2

Food

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Related info for your journey

Useful info, stats and facts about Orange County to London flights.

Can I find flights from Orange County to London for under $700 on Cheapflights?

Yes, there are multiple flights from Orange County to London for under $700. The cheapest flight booked recently is on British Airways for just $601, but on average you can expect to pay $626.

Are there last-minute flights available from Orange County to London for under $1,100?

There are currently 20+ open flights from Orange County to London within the next 7 days for less than $1,100.

What are the most popular routes from Orange County to London?

What are the most popular airlines that fly from Orange County to London?

What does SNA to LHR mean?

SNA stands for Santa Ana J. Wayne/Orange Cnty Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London City Airport (LCY), London Luton Airport (LTN), London Southend Airport (SEN).

Top 7 airlines flying from Orange County to London

The chart below displays the airlines Cheapflights users traveling from Orange County to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$349Average$1,475FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest$636Average$1,091FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest$638Average$962FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest$664Average$1,254FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$664Average$1,016FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$664Average$1,053FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$667Average$991FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from Orange County to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Orange County to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Orange County to London for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Orange County to London, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Perform a flight search above and use a valid email address to enable the Price Alert feature. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.