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£351+ 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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
1 Feb — 8 Feb1
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 2 January 2026.

Wed 31/1216:55LHR - LAX
Nonstop11h 30mBritish Airways
Sun 19/417:05LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 31/12£598
Wed 31/1216:55LHR - LAX
Nonstop11h 30mAmerican Airlines
Sun 19/408:00LAX - LHR
1 stop14h 25mAmerican Airlines
Deal found 31/12£603
Wed 31/1207:35LHR - LAX
1 stop17h 00mBritish Airways
Tue 28/715:45LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 30/12£622
Wed 31/1207:35LHR - LAX
1 stop17h 00mBritish Airways
Thu 7/518:05LAX - LHR
Nonstop10h 40mBritish Airways
Deal found 30/12£623
Wed 31/1211:15LHR - LAX
1 stop19h 43mMultiple Airlines
Tue 5/518:05LAX - LHR
Nonstop10h 40mMultiple Airlines
Deal found 30/12£623
Wed 31/1211:15LHR - LAX
1 stop19h 49mIberia
Wed 22/413:20LAX - LHR
1 stop13h 10mIberia
Deal found 30/12£627
Wed 31/1211:15LHR - LAX
1 stop18h 22mIberia
Tue 5/509:30LAX - LHR
1 stop14h 35mIberia
Deal found 30/12£628
Tue 30/1215:35LHR - LAX
1 stop25h 45mBritish Airways
Mon 12/116:45LAX - LHR
1 stop12h 30mBritish Airways
Deal found 30/12£631
Wed 31/1214:45LHR - LAX
1 stop16h 23mAmerican Airlines
Fri 30/117:30LAX - LHR
Nonstop10h 35mAmerican Airlines
Deal found 30/12£634
Wed 31/1209:20LHR - LAX
1 stop32h 23mJetBlue
Fri 30/109:59LAX - LHR
1 stop12h 56mJetBlue
Deal found 29/12£635
Wed 31/1214:45LHR - LAX
1 stop16h 23mAmerican Airlines
Wed 14/110:40LAX - LHR
1 stop13h 35mAmerican Airlines
Deal found 30/12£637
Wed 31/1207:50LCY - LAX
1 stop16h 45mBritish Airways
Fri 8/506:00LAX - LCY
2 stops18h 35mBritish Airways
Deal found 30/12£651

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 2 January 2026.

Return from

£384

One-way from

£353

Popular in

December

Cheapest in

September

Average price

£470
SWISS
  • SWISS
  • 21/1-16/2
  • 2 total stops
  • 60h 30m total
  • London to Los Angeles
Search Deals
United Airlines
  • United Airlines
  • 27/4
  • Nonstop
  • 11h 10m total
  • London to Costa Mesa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 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 2 January 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

Tue 13/1

14:30-22:21

1 stop15h 51m

Los Angeles

Sat 12/9

23:15-17:35

Nonstop10h 20m

£384

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 21/1

14:25-16:35

2 stops34h 10m

Los Angeles

Mon 16/2

19:10-21:25

2 stops18h 15m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 30/6

08:00-17:32

2 stops17h 32m

Los Angeles

Mon 20/7

13:15-11:10

1 stop13h 55m

£393

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Fri 16/1

10:55-17:36

2 stops62h 41m

Los Angeles

Sun 1/2

18:10-14:35

1 stop36h 25m

£395

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 24/5

16:55-20:15

Nonstop11h 20m

Los Angeles

Tue 26/5

22:25-19:45

1 stop13h 20m

£397

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Mon 19/1

20:05-11:45

1 stop23h 40m

Los Angeles

Wed 6/5

13:50-16:40

1 stop18h 50m

£398

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 5/2

17:05-11:45

1 stop26h 40m

Los Angeles

Wed 18/2

06:00-08:10

2 stops18h 10m

£401

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 18/2

20:05-11:45

1 stop23h 40m

Los Angeles

Wed 25/2

08:25-08:50

2 stops16h 25m

£401

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 11/2

07:45-18:35

2 stops18h 50m

Los Angeles

Mon 16/2

06:00-08:10

2 stops18h 10m

£403

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Tue 3/2

09:20-21:00

2 stops19h 40m

Los Angeles

Thu 12/2

13:45-17:20

1 stop19h 35m

£404

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 60 results
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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 26 December 2025.

Booking 7 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 17 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 Wednesday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 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 £322
Virgin Atlantic
Virgin Atlantic
From £359
KLM
KLM
From £357
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 2 January 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
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,435 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Norse Atlantic UK
7.2
Good
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,675 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,634 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 £122, however they can be found for as little as £43.

  • 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. 2BR Furn Home - Safe/Quiet/Clean So Bay Nr Bch/LAX - 40% off for 30+ days is the closest property to Los Angeles (0.0 mi away from Los Angeles).

See more FAQs

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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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