£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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
27 Şub — 6 Mar1
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 28 Ocak 2026.

Per 19/210:05
LHR
-
LAX
Nonstop11h 25m
British Airways
Sal 24/218:00
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 27/1£344
Pzt 14/909:15
LGW
-
LAX
1 stop15h 15m
SWISS
Pzt 28/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 26/1£344
Çar 11/206:00
LHR
-
LAX
1 stop18h 35m
SWISS
Paz 22/219:00
LAX
-
LHR
Nonstop10h 30m
SWISS
Deal found 27/1£345
Çar 15/408:40
LHR
-
LAX
1 stop15h 50m
United Airlines
Sal 21/415:30
LAX
-
LHR
Nonstop10h 40m
United Airlines
Deal found 27/1£346
Cmt 28/206:15
LHR
-
LAX
2 stops25h 08m
British Airways
Per 5/306:00
LAX
-
LHR
1 stop16h 20m
British Airways
Deal found 27/1£347
Sal 3/218:40
LGW
-
LAX
1 stop29h 55m
SWISS
Pzt 16/320:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 27/1£347
Çar 15/408:40
LHR
-
LAX
1 stop15h 50m
United Airlines
Cum 1/514:20
LAX
-
LHR
1 stop14h 00m
United Airlines
Deal found 26/1£347
Cmt 7/213:45
LHR
-
LAX
1 stop34h 50m
Lufthansa
Cmt 21/222:55
LAX
-
LHR
2 stops23h 45m
Lufthansa
Deal found 27/1£348
Per 30/406:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Cum 15/515:30
LAX
-
LHR
Nonstop10h 40m
Austrian Airlines
Deal found 27/1£349
Çar 25/308:30
LHR
-
LAX
2 stops19h 42m
United Airlines
Sal 31/315:30
LAX
-
LHR
Nonstop10h 40m
United Airlines
Deal found 27/1£349
Cum 25/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sal 13/1019:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 26/1£349
Cum 20/209:20
LCY
-
LAX
1 stop15h 15m
SWISS
Çar 4/319:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 26/1£350

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 28 Ocak 2026.

Return from

£344

One-way from

£336

Popular in

December

Cheapest in

September

Average price

£432
British Airways
  • British Airways
  • 19/2-24/2
  • Nonstop
  • 21h 55m total
  • London to Los Angeles
WestJet
  • WestJet
  • 30/1
  • 1 total stop
  • 15h 13m total
  • London to Costa Mesa
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for return flights in January 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 28 Ocak 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

Sal 28/4

08:45-16:30

1 stop15h 45m

Los Angeles

Sal 19/5

15:30-10:10

Nonstop10h 40m

£347

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sal 28/4

08:45-16:30

1 stop15h 45m

Los Angeles

Çar 13/5

15:30-10:10

Nonstop10h 40m

£347

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Pzt 4/5

07:25-15:15

1 stop15h 50m

Los Angeles

Çar 13/5

10:54-09:40

1 stop14h 46m

£350

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Çar 11/2

11:20-14:35

Nonstop11h 15m

Los Angeles

Çar 25/3

23:30-16:50

Nonstop10h 20m

£353

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sal 17/2

06:35-15:15

1 stop16h 40m

Los Angeles

Sal 24/2

06:30-11:50

1 stop21h 20m

£353

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sal 17/2

11:20-14:35

Nonstop11h 15m

Los Angeles

Sal 24/2

22:30-16:50

Nonstop10h 20m

£353

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Pzt 11/5

07:25-15:15

1 stop15h 50m

Los Angeles

Pzt 6/7

15:35-10:10

Nonstop10h 35m

£357

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Cmt 21/2

15:10-18:30

Nonstop11h 20m

Los Angeles

Paz 1/3

17:40-12:20

Nonstop10h 40m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Cmt 21/2

16:55-20:25

Nonstop11h 30m

Los Angeles

Çar 25/2

16:42-13:15

1 stop12h 33m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Per 12/2

10:05-13:30

Nonstop11h 25m

Los Angeles

Per 19/2

21:00-15:30

Nonstop10h 30m

£362

Flights are sorted by cheapest return flights first.

Deals found on 26/1

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 23 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 34 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 (50 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (35 on average).

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 28 Ocak 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.

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

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

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

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

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

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

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

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

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

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

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

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, Air France 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 £119, 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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