£335+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
10 May — 17 May1
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 10 April 2026.

Fri 28/806:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Sat 5/919:10
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Deal found 6/4£391
Fri 8/506:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Wed 2/919:10
LAX
-
LHR
1 stop18h 30m
Scandinavian Airlines
Deal found 6/4£400
Tue 2/610:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 9/620:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 9/4£401
Fri 28/806:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Wed 2/919:10
LAX
-
LHR
1 stop18h 30m
Scandinavian Airlines
Deal found 10/4£410
Sat 9/506:00
LHR
-
LAX
1 stop16h 40m
TAP AIR PORTUGAL
Sat 5/916:55
LAX
-
LHR
1 stop17h 55m
TAP AIR PORTUGAL
Deal found 6/4£415
Wed 19/808:20
LHR
-
LAX
Nonstop11h 10m
American Airlines
Tue 25/811:30
LAX
-
LHR
1 stop16h 45m
American Airlines
Deal found 9/4£417
Tue 5/512:15
LHR
-
LAX
1 stop14h 53m
American Airlines
Mon 31/810:33
LAX
-
LHR
1 stop15h 57m
American Airlines
Deal found 6/4£419
Mon 4/514:45
LHR
-
LAX
1 stop16h 39m
American Airlines
Mon 31/814:59
LAX
-
LHR
1 stop13h 16m
American Airlines
Deal found 6/4£420
Sun 3/510:20
LHR
-
LAX
1 stop14h 30m
Scandinavian Airlines
Mon 31/819:10
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Deal found 6/4£424
Tue 18/810:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 25/817:05
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 9/4£425
Tue 4/809:15
LHR
-
LAX
1 stop17h 40m
American Airlines
Thu 20/813:24
LAX
-
LHR
1 stop13h 41m
American Airlines
Deal found 10/4£427
Mon 17/814:25
LHR
-
LAX
1 stop15h 37m
American Airlines
Mon 24/813:24
LAX
-
LHR
1 stop13h 41m
American Airlines
Deal found 9/4£428

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 10 April 2026.

Return from

£391

One-way from

£335

Popular in

December

Cheapest in

September

Average price

£467
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/8-5/9
  • 2 total stops
  • 32h 40m total
  • London to Los Angeles
LEVEL
  • LEVEL
  • 8/9
  • 1 total stop
  • 35h 35m total
  • London to Costa Mesa
Highest demand for flights based on searches. 5% potential increase in price (£29 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 April 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 10 April 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

LHR - LAX

LHRLAX

London Heathrow

Sat 5/9

10:20-16:50

1 stop14h 30m

Los Angeles

Mon 7/9

19:10-18:30

1 stop15h 20m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8/9

21:05-16:50

2 stops27h 45m

Los Angeles

Tue 29/9

19:10-21:35

2 stops18h 25m

£517

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Tue 5/5

20:55-14:45

2 stops25h 50m

Los Angeles

Tue 12/5

16:45-20:10

2 stops19h 25m

£525

LondonLos Angeles

STN - LAX

STNLAX

London Stansted

Tue 5/5

21:45-14:45

2 stops25h 00m

Los Angeles

Tue 12/5

16:45-00:10

2 stops23h 25m

£530

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

08:40-14:45

1 stop14h 05m

Los Angeles

Fri 10/7

19:59-17:30

1 stop13h 31m

£538

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 12/8

16:55-20:15

Nonstop11h 20m

Los Angeles

Wed 26/8

11:00-08:00

1 stop13h 00m

£542

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 23/4

16:30-13:15

1 stop28h 45m

Los Angeles

Tue 5/5

15:15-15:40

1 stop16h 25m

£544

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 23/4

10:25-18:35

1 stop16h 10m

Los Angeles

Wed 6/5

18:00-16:00

1 stop14h 00m

£558
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 1/10

09:55-13:10

Nonstop11h 15m

Los Angeles

Tue 13/10

20:35-15:00

Nonstop10h 25m

£560

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 9/7

10:25-00:04

2 stops21h 39m

Los Angeles

Wed 22/7

14:00-16:00

1 stop18h 00m

£566

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
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 3 April 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 5 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 Monday, which is when the least amount of flights are scheduled (50 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 10 April 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.

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

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 £207, 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 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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