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£336+ 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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Costa Mesa in 2026

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 26 February 2026.

Tue 10/306:00
LHR
-
LAX
1 stop18h 35m
Multiple Airlines
Tue 17/320:00
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 22/2£347
Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 18/308:45
LAX
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 24/2£347
Fri 6/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 11/320:00
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 23/2£348
Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Tue 17/308:45
LAX
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 24/2£350
Tue 3/307:40
LHR
-
LAX
1 stop15h 35m
Lufthansa
Tue 10/314:15
LAX
-
LHR
1 stop14h 00m
Lufthansa
Deal found 23/2£350
Mon 2/307:40
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Sun 15/322:50
LAX
-
LHR
1 stop24h 40m
Multiple Airlines
Deal found 23/2£351
Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 1/415:30
LAX
-
LHR
Nonstop10h 40m
Multiple Airlines
Deal found 24/2£352
Sun 1/306:00
LHR
-
LAX
1 stop18h 35m
Multiple Airlines
Sun 15/322:50
LAX
-
LHR
1 stop26h 40m
Multiple Airlines
Deal found 22/2£353
Wed 4/309:00
LHR
-
LAX
1 stop15h 35m
SWISS
Mon 16/320:10
LAX
-
LHR
1 stop14h 40m
SWISS
Deal found 23/2£353
Tue 3/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 11/320:00
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 24/2£354
Wed 4/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Sun 8/320:00
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 22/2£355
Mon 16/318:40
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 30/319:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 24/2£355

Find flight deals to Costa Mesa

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 26 February 2026.

Return from

£347

One-way from

£336

Popular in

December

Cheapest in

September

Average price

£398
Lufthansa
  • Lufthansa
  • 10/3-17/3
  • 1 total stop
  • 29h 05m total
  • London to Los Angeles
Search Deals
SWISS
  • SWISS
  • 20/4
  • 1 total stop
  • 15h 15m total
  • London to Costa Mesa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for return flights in February 2026
Search Deals

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 26 February 2026.
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 14/4

08:45-16:30

1 stop15h 45m

Los Angeles

Thu 23/4

15:30-10:10

Nonstop10h 40m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 25/4

07:25-15:15

1 stop15h 50m

Los Angeles

Sat 2/5

08:15-07:40

1 stop15h 25m

£369

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 8/4

08:40-16:30

1 stop15h 50m

Los Angeles

Wed 15/4

15:30-10:10

Nonstop10h 40m

£378

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 10/3

09:00-17:35

1 stop15h 35m

Los Angeles

Tue 17/3

20:10-21:25

2 stops18h 15m

£379

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 26/5

06:55-21:29

2 stops22h 34m

Los Angeles

Tue 2/6

09:10-07:25

1 stop14h 15m

£386

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 31/3

10:00-18:10

1 stop16h 10m

Los Angeles

Tue 7/4

14:53-12:20

1 stop13h 27m

£398

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 4/4

11:25-23:00

1 stop19h 35m

Los Angeles

Mon 20/4

15:30-10:10

Nonstop10h 40m

£403

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 10/4

13:05-16:15

Nonstop11h 10m

Los Angeles

Fri 17/4

14:18-11:45

1 stop13h 27m

£407

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 26/6

07:45-21:53

2 stops22h 08m

Los Angeles

Fri 3/7

06:00-07:25

1 stop17h 25m

£410

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 9/7

07:45-14:42

1 stop14h 57m

Los Angeles

Sat 25/7

15:35-10:10

Nonstop10h 35m

£410

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 20 February 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 14 hours 10 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 Wednesday (50 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (44 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 £321
Virgin Atlantic
Virgin Atlantic
From £353
KLM
KLM
From £351
Scandinavian Airlines
Scandinavian Airlines
From £311

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 26 February 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
1,460 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
679 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Norse Atlantic UK
7.3
Good
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,814 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,770 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 £49, however they can be found for as little as £28.

  • 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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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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Yes! Cheapflights helps users easily find flights to Costa Mesa with no change fees.

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