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£411+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
18 Jun — 25 Jun1
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 19 May 2026.

Sat 4/710:55
LHR
-
LAX
1 stop15h 15m
Virgin Atlantic
Fri 17/720:35
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 16/5£475
Fri 11/910:25
LGW
-
LAX
1 stop16h 15m
Virgin Atlantic
Mon 21/918:25
LAX
-
LGW
1 stop13h 35m
Virgin Atlantic
Deal found 15/5£475
Fri 7/817:45
LHR
-
LAX
1 stop14h 50m
Virgin Atlantic
Mon 17/808:20
LAX
-
LHR
1 stop14h 05m
Virgin Atlantic
Deal found 17/5£475
Mon 14/910:45
LGW
-
LAX
1 stop18h 53m
American Airlines
Wed 30/911:28
LAX
-
LGW
1 stop15h 12m
American Airlines
Deal found 15/5£475
Fri 28/819:15
LHR
-
LAX
1 stop24h 35m
Virgin Atlantic
Fri 25/915:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 14/5£476
Wed 19/810:20
LHR
-
LAX
1 stop14h 50m
British Airways
Sun 23/815:15
LAX
-
LHR
1 stop22h 25m
British Airways
Deal found 18/5£477
Sun 6/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Sun 20/915:40
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 17/5£478
Mon 14/910:45
LGW
-
LAX
1 stop18h 53m
American Airlines
Tue 29/913:30
LAX
-
LGW
2 stops33h 20m
American Airlines
Deal found 15/5£478
Sat 5/907:25
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sat 12/908:20
LAX
-
LHR
1 stop13h 35m
Multiple Airlines
Deal found 18/5£478
Tue 1/920:15
LCY
-
LAX
1 stop23h 35m
Virgin Atlantic
Tue 15/916:45
LAX
-
LCY
1 stop16h 35m
Virgin Atlantic
Deal found 15/5£479
Fri 11/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Fri 6/1118:55
LAX
-
LHR
Nonstop10h 35m
Austrian Airlines
Deal found 16/5£479
Wed 30/910:20
LHR
-
LAX
1 stop14h 50m
American Airlines
Wed 7/1018:05
LAX
-
LHR
Nonstop10h 40m
American Airlines
Deal found 14/5£480

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 19 May 2026.

Return from

£475

One-way from

£411

Popular in

December

Cheapest in

September

Average price

£475
Virgin Atlantic
  • Virgin Atlantic
  • 4/7-17/7
  • 1 total stop
  • 25h 40m total
  • London to Los Angeles
Search Deals
Finnair
  • Finnair
  • 4/10
  • 2 total stops
  • 35h 56m total
  • London to Costa Mesa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 19 May 2026.
Use the filters below to find and compare flights to Costa Mesa that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 19/10

06:50-18:55

1 stop20h 05m

Los Angeles Los Angeles

Fri 23/10

19:50-19:00

1 stop15h 10m

£481

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 7/7

17:00-09:49

2 stops24h 49m

Los Angeles Los Angeles

Tue 21/7

07:15-09:25

2 stops18h 10m

£498

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

18:15-21:25

Nonstop11h 10m

Los Angeles Los Angeles

Fri 10/7

14:00-15:35

1 stop17h 35m

£502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/6

14:30-17:45

Nonstop11h 15m

Los Angeles Los Angeles

Mon 8/6

14:00-12:10

1 stop14h 10m

£502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

09:20-17:20

1 stop16h 00m

Los Angeles Los Angeles

Sun 16/8

06:00-07:10

1 stop17h 10m

£506

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 9/9

13:05-16:25

Nonstop11h 20m

Los Angeles Los Angeles

Tue 3/11

18:55-13:30

Nonstop10h 35m

£507

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

08:20-18:24

1 stop18h 04m

Los Angeles Los Angeles

Mon 24/8

13:10-10:00

1 stop12h 50m

£507

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 31/10

10:00-23:55

2 stops20h 55m

Los Angeles Los Angeles

Sat 7/11

11:00-15:45

2 stops20h 45m

£508
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 27/9

15:05-18:20

Nonstop11h 15m

Los Angeles Los Angeles

Thu 8/10

21:00-15:25

Nonstop10h 25m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 11/8

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Tue 18/8

15:50-10:15

Nonstop10h 25m

£511

Flights are sorted by cheapest return flights first.

Deals found on 15/5

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

How long is the flight to Costa Mesa?

On average, a flight from London to Costa Mesa takes 14 hours 36 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 Monday (55 on average). You will have fewer flight options on Thursday, 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 £324
Virgin Atlantic
Virgin Atlantic
From £358
Scandinavian Airlines
Scandinavian Airlines
From £322
KLM
KLM
From £358

What are the cheapest airlines that fly to Costa Mesa?

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

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 19 May 2026.
Get a feel of what it's like to fly with United Airlines,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.
United Airlines
7.4
Good
9,731 reviews
Check prices

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,731 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Norse Atlantic UK
7.2
Good
United Airlines
7.4
Good
9,731 reviews
Check prices

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
8,010 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
British Airways
6.7
Okay
7,986 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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 £99, however they can be found for as little as £41.

  • 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 5 minutes).

  • Does Los Angeles Los Angeles have car hire?

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

  • Are there hotels close to Los Angeles Los Angeles?

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

See more FAQs

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How does Cheapflights help users find flights to Costa Mesa?

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

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