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£344+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
21 févr. — 28 févr.1
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 22 janvier 2026.

jeu. 19/306:30
LHR
-
LAX
1 stop20h 00m
British Airways
mer. 25/315:38
LAX
-
LHR
1 stop13h 37m
British Airways
Deal found 21/1£355
mer. 28/118:40
LGW
-
LAX
1 stop29h 55m
SWISS
lun. 9/219:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 21/1£355
sam. 5/907:25
LHR
-
LAX
1 stop15h 50m
United Airlines
sam. 19/918:35
LAX
-
LHR
2 stops31h 25m
United Airlines
Deal found 21/1£356
lun. 13/412:20
LGW
-
LAX
2 stops34h 00m
Finnair
mar. 21/406:00
LAX
-
LGW
2 stops18h 40m
Finnair
Deal found 21/1£356
mer. 28/113:25
LHR
-
LAX
2 stops35h 55m
Air Canada
sam. 7/206:30
LAX
-
LHR
1 stop21h 20m
Air Canada
Deal found 21/1£357
mar. 21/418:35
LGW
-
LAX
1 stop29h 55m
SWISS
lun. 4/519:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 21/1£357
lun. 2/206:35
LHR
-
LAX
1 stop16h 40m
Multiple Airlines
ven. 13/222:50
LAX
-
LHR
2 stops24h 20m
Multiple Airlines
Deal found 21/1£357
mer. 11/218:40
LGW
-
LAX
1 stop29h 55m
SWISS
mer. 18/219:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 20/1£357
jeu. 12/209:15
LCY
-
LAX
1 stop15h 20m
SWISS
lun. 11/519:35
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 20/1£358
jeu. 19/308:05
LHR
-
LAX
2 stops18h 47m
British Airways
jeu. 26/315:38
LAX
-
LHR
1 stop13h 37m
British Airways
Deal found 21/1£358
ven. 13/214:10
LHR
-
LAX
1 stop18h 40m
Finnair
sam. 21/201:17
LAX
-
LHR
1 stop22h 58m
Finnair
Deal found 20/1£359
mer. 18/218:40
LGW
-
LAX
1 stop29h 55m
SWISS
mer. 25/219:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 21/1£359

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 22 janvier 2026.

Return from

£355

One-way from

£344

Popular in

December

Cheapest in

September

Average price

£442
British Airways
  • British Airways
  • 19/3-29/3
  • 2 total stops
  • 35h 56m total
  • London to Los Angeles
Search Deals
American Airlines
  • American Airlines
  • 12/3
  • 1 total stop
  • 14h 45m 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
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 22 janvier 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

lun. 2/2

14:25-16:35

2 stops34h 10m

Los Angeles

lun. 23/2

19:10-17:50

1 stop14h 40m

£363

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

lun. 23/2

11:50-15:20

Nonstop11h 30m

Los Angeles

lun. 9/3

18:40-12:20

Nonstop10h 40m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

jeu. 5/2

15:20-18:45

Nonstop11h 25m

Los Angeles

lun. 9/2

19:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mer. 18/2

16:55-20:25

Nonstop11h 30m

Los Angeles

dim. 22/2

19:20-14:00

Nonstop10h 40m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

lun. 2/3

15:20-18:45

Nonstop11h 25m

Los Angeles

lun. 9/3

20:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mer. 18/2

15:20-18:45

Nonstop11h 25m

Los Angeles

mar. 24/2

19:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

dim. 1/3

16:55-20:25

Nonstop11h 30m

Los Angeles

dim. 8/3

22:00-15:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

ven. 20/2

15:20-18:45

Nonstop11h 25m

Los Angeles

sam. 14/3

20:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

sam. 21/2

15:20-18:45

Nonstop11h 25m

Los Angeles

mer. 4/3

19:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mer. 4/2

15:20-18:45

Nonstop11h 25m

Los Angeles

jeu. 19/2

19:00-13:30

Nonstop10h 30m

£366

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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2
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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 16 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 14 hours 2 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 (44 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (36 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 £358
KLM
KLM
From £356
Lufthansa
Lufthansa
From £351

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 22 janvier 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
1,442 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

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
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

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
1,442 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

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
1,442 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

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
7,738 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

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
7,689 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.3

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 £136, 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.

Can Cheapflights find flights to Costa Mesa with no change fees?

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

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