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£345+ Cheap flights to Costa Mesa

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Costa Mesa in 2026

Find the latest flights to Costa Mesa in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 16 January 2026.

Return from

£360

One-way from

£345

Popular in

December

Cheapest in

September

Average price

£445
SWISS
  • SWISS
  • 23/3-2/4
  • 1 total stop
  • 40h 35m total
  • London to Los Angeles
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SWISS
  • SWISS
  • 24/5
  • 1 total stop
  • 28h 25m total
  • London to Costa Mesa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
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Find flight deals to Costa Mesa

Enter your travel dates to find the best prices.

Cheapest flights to Costa Mesa
Explore the most affordable flight options available to Costa Mesa. Find the lowest fares based on data from user searches, with prices last updated on 16 January 2026.

Mon 23/318:40
LHR
-
LAX
1 stop29h 55m
SWISS
Thu 2/415:30
LAX
-
LHR
Nonstop10h 40m
SWISS
Deal found 15/1£360
Wed 30/909:15
LGW
-
LAX
2 stops19h 31m
SWISS
Sun 4/1019:35
LAX
-
LGW
1 stop28h 45m
SWISS
Deal found 15/1£360
Fri 23/117:20
LHR
-
LAX
Nonstop11h 20m
Virgin Atlantic
Mon 26/116:35
LAX
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 15/1£361
Wed 28/117:40
LCY
-
LAX
1 stop30h 55m
SWISS
Sun 8/219:10
LAX
-
LCY
1 stop14h 00m
SWISS
Deal found 14/1£362
Fri 13/306:30
LHR
-
LAX
2 stops19h 15m
United Airlines
Sat 21/321:34
LAX
-
LHR
1 stop26h 51m
United Airlines
Deal found 14/1£362
Wed 4/209:20
LCY
-
LAX
1 stop15h 15m
SWISS
Wed 11/219:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 14/1£362
Thu 19/312:10
LHR
-
LAX
1 stop14h 20m
British Airways
Mon 6/415:45
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 14/1£362
Mon 13/412:20
LGW
-
LAX
2 stops19h 51m
Finnair
Tue 21/409:00
LAX
-
LGW
2 stops39h 40m
Finnair
Deal found 14/1£362
Fri 13/309:00
LHR
-
LAX
1 stop15h 35m
SWISS
Mon 23/320:10
LAX
-
LHR
2 stops18h 15m
SWISS
Deal found 15/1£363
Thu 22/118:40
LGW
-
LAX
1 stop29h 55m
SWISS
Sat 7/219:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 15/1£363
Thu 26/209:15
LCY
-
LAX
1 stop15h 20m
SWISS
Tue 10/320:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 14/1£364
Mon 9/206:00
LHR
-
LAX
1 stop18h 35m
SWISS
Mon 23/320:10
LAX
-
LHR
2 stops18h 15m
SWISS
Deal found 13/1£364

Cheapflights Fare Finder

 
Locate flights to Costa Mesa that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 16 January 2026.
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 15/2

10:05-17:48

1 stop15h 43m

Los Angeles

Sun 22/2

19:10-08:05

1 stop28h 55m

£363

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/2

14:25-16:35

2 stops34h 10m

Los Angeles

Wed 18/2

19:10-17:50

1 stop14h 40m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 21/2

11:50-15:20

Nonstop11h 30m

Los Angeles

Fri 27/2

21:00-15:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

16:55-20:25

Nonstop11h 30m

Los Angeles

Mon 16/2

19:20-14:00

Nonstop10h 40m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Fri 20/2

19:00-13:30

Nonstop10h 30m

£366

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 31/1

15:20-18:45

Nonstop11h 25m

Los Angeles

Tue 10/2

08:33-05:55

1 stop13h 22m

£366

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 16/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Mon 23/2

07:00-05:55

1 stop14h 55m

£366

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Mon 16/2

19:00-13:30

Nonstop10h 30m

£366

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Mon 23/2

19:00-13:30

Nonstop10h 30m

£366

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 15/4

12:00-18:25

1 stop14h 25m

Los Angeles

Tue 21/4

18:05-12:45

Nonstop10h 40m

£368

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 60 results
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2
3
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6

Best time to book a flight to Costa Mesa

Have a flexible travel schedule? Discover the best time to fly to Costa Mesa 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 to Costa Mesa

When is the best time to book a flight to Costa Mesa?

Use this chart to determine the optimal time to book a return flight from London to Costa Mesa. Price data was last updated on 9 January 2026.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights to Costa Mesa. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Costa Mesa?

On average, a flight from London to Costa Mesa takes 13 hours 57 minutes. Flights to Costa Mesa from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Costa Mesa

The most flights from London to Costa Mesa are scheduled on a Saturday (48 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (42 on average).

What are the most popular airlines that fly to Costa Mesa?

The most popular airlines flying from London to Costa Mesa are Virgin Atlantic, British Airways and Lufthansa.

British Airways
British Airways
From £323
Virgin Atlantic
Virgin Atlantic
From £359
KLM
KLM
From £358
Lufthansa
Lufthansa
From £353

What are the cheapest airlines that fly to Costa Mesa?

The cheapest airlines flying from London to Costa Mesa are Iberia, SWISS and Norse Atlantic UK.

Rainfall in Costa Mesa by month

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

In terms of precipitation, rainfall in Costa Mesa ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Costa Mesa when rainfall is around 0.0 mm.

Temperature in Costa Mesa by month

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

If weather is an important factor for your trip to Costa Mesa, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing Costa Mesa

Get insights into the airlines that provide service to Costa Mesa. 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 Costa Mesa. Reviews last updated 16 January 2026.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andNorse Atlantic UK to the United States by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,440 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.2

Entertainment

7.1

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.2

Entertainment

7.1

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.2

Entertainment

7.1

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Norse Atlantic UK
7.2
Good
KLM
7.7
Good
1,440 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.2

Entertainment

7.1

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,718 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.2

Entertainment

7.1

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,680 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.2

Entertainment

7.1

Comfort

7.6

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

FAQs about flying to Costa Mesa

  • Can I find cheaper flights to Costa Mesa if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Costa Mesa on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Costa Mesa?

    Based on reviews from Cheapflights users, Iberia is rated the highest out of the airlines that fly to Costa Mesa.

  • How much is a return flight to Costa Mesa?

    A return flight to Costa Mesa will typically cost around £146, however they can be found for as little as £21.

  • Where does the fastest flight to Costa Mesa depart from?

    For those looking to save time traveling to Costa Mesa, London offers the quickest one-way flight (11 hours 10 minutes).

  • Does Los Angeles have car hire?

    Yes. Those touching down at Los Angeles can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Los Angeles?

    Yes. Los Angeles has hotels nearby for those requiring accommodations. Hyatt Regency Los Angeles International Airport is the closest property to Los Angeles (0.0 mi away from Los Angeles).

See more FAQs

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Deals for Costa Mesa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Costa Mesa?

Millions of users choose and trust Cheapflights to book the best flight deals to Costa Mesa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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