£394+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
10 Jun — 17 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 11 May 2026.

Fri 2/1013:45
LHR
-
LAX
1 stop32h 55m
TAP AIR PORTUGAL
Sat 10/1016:55
LAX
-
LHR
1 stop16h 50m
TAP AIR PORTUGAL
Deal found 7/5£457
Sun 7/608:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Wed 8/717:45
LAX
-
LHR
1 stop13h 50m
Virgin Atlantic
Deal found 7/5£458
Tue 2/608:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Tue 9/621:00
LAX
-
LHR
1 stop25h 45m
Virgin Atlantic
Deal found 7/5£459
Thu 21/506:15
LHR
-
LAX
1 stop14h 40m
Virgin Atlantic
Wed 8/717:45
LAX
-
LHR
1 stop13h 50m
Virgin Atlantic
Deal found 7/5£459
Fri 4/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sun 20/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 7/5£459
Fri 18/906:00
LHR
-
LAX
1 stop15h 05m
Multiple Airlines
Fri 25/907:00
LAX
-
LHR
1 stop16h 15m
Multiple Airlines
Deal found 6/5£460
Fri 8/508:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Fri 15/515:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 7/5£461
Wed 1/719:15
LHR
-
LAX
2 stops44h 45m
Virgin Atlantic
Fri 17/720:35
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 7/5£462
Mon 21/916:25
LGW
-
LAX
1 stop30h 20m
TAP AIR PORTUGAL
Tue 29/916:45
LAX
-
LGW
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 8/5£462
Thu 27/808:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Sun 6/915:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 9/5£462
Thu 27/806:30
LHR
-
LAX
1 stop13h 20m
Virgin Atlantic
Thu 10/908:15
LAX
-
LHR
1 stop14h 05m
Virgin Atlantic
Deal found 10/5£463
Thu 28/514:00
LGW
-
LAX
1 stop36h 27m
Multiple Airlines
Tue 14/723:00
LAX
-
LGW
1 stop27h 00m
Multiple Airlines
Deal found 7/5£463

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 11 May 2026.

Return from

£457

One-way from

£394

Popular in

December

Cheapest in

September

Average price

£462
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 2/10-10/10
  • 2 total stops
  • 49h 45m total
  • London to Los Angeles
LEVEL
  • LEVEL
  • 9/10
  • 1 total stop
  • 30h 20m total
  • London to Costa Mesa
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for return flights in May 2026

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 11 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
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 27/5

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Tue 14/7

15:50-10:15

Nonstop10h 25m

£495

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 25/5

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Mon 8/6

14:00-15:35

1 stop17h 35m

£506

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 29/8

10:25-18:36

1 stop16h 11m

Los Angeles Los Angeles

Sun 13/9

18:00-16:00

1 stop14h 00m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

08:40-14:45

1 stop14h 05m

Los Angeles Los Angeles

Tue 23/3

13:15-10:00

1 stop13h 45m

£510

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Tue 1/9

20:15-11:50

1 stop23h 35m

Los Angeles Los Angeles

Tue 15/9

09:35-09:30

2 stops15h 55m

£514

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/8

10:30-13:50

Nonstop11h 20m

Los Angeles Los Angeles

Wed 26/8

13:30-10:30

1 stop13h 00m

£514

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 13/8

18:15-21:25

Nonstop11h 10m

Los Angeles Los Angeles

Sat 22/8

12:31-13:05

1 stop16h 34m

£516

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 28/7

15:15-23:13

1 stop15h 58m

Los Angeles Los Angeles

Mon 10/8

09:00-06:20

1 stop13h 20m

£519

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 8/10

09:20-14:45

1 stop13h 25m

Los Angeles Los Angeles

Thu 15/10

16:45-16:40

1 stop15h 55m

£519

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 27/8

09:20-19:28

2 stops18h 08m

Los Angeles Los Angeles

Sun 6/9

17:05-16:40

2 stops15h 35m

£526

Flights are sorted by cheapest return flights first.

Deals found on 7/5

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 55 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 Sunday (55 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (54 on average).

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 11 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.

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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.

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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.

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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.

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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.

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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 £97, 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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Why should you use Cheapflights to find cheap flight tickets to Costa Mesa?

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

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