£366+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Costa Mesa

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 25 November 2025.

Thu 4/1206:00LHR - LAX
1 stop16h 40mTAP AIR PORTUGAL
Thu 11/1216:45LAX - LHR
1 stop20h 50mTAP AIR PORTUGAL
Deal found 22/11£442
Thu 4/1210:05LHR - LAX
1 stop16h 07mMultiple Airlines
Thu 11/1219:15LAX - LHR
Nonstop10h 45mMultiple Airlines
Deal found 24/11£450
Tue 9/1207:05LHR - LAX
2 stops17h 55mScandinavian Airlines
Thu 22/119:30LAX - LHR
1 stop29h 50mScandinavian Airlines
Deal found 23/11£451
Sun 14/1207:50LHR - LAX
1 stop18h 40mBritish Airways
Tue 13/109:50LAX - LHR
1 stop13h 00mBritish Airways
Deal found 24/11£454
Sat 13/1209:35LHR - LAX
1 stop17h 14mAmerican Airlines
Tue 3/300:37LAX - LHR
1 stop13h 33mAmerican Airlines
Deal found 24/11£455
Sun 7/1216:55LHR - LAX
Nonstop11h 30mBritish Airways
Tue 23/1219:15LAX - LHR
Nonstop10h 45mBritish Airways
Deal found 24/11£456
Sun 14/1207:50LHR - LAX
1 stop18h 40mBritish Airways
Thu 19/214:37LAX - LHR
1 stop13h 38mBritish Airways
Deal found 24/11£456
Mon 15/1207:50LHR - LAX
1 stop18h 40mBritish Airways
Thu 8/107:55LAX - LHR
1 stop15h 05mBritish Airways
Deal found 24/11£457
Sun 7/1216:55LHR - LAX
Nonstop11h 30mAmerican Airlines
Tue 23/1219:15LAX - LHR
Nonstop10h 45mAmerican Airlines
Deal found 24/11£460
Thu 4/1216:55LHR - LAX
Nonstop11h 30mAmerican Airlines
Wed 10/1200:15LAX - LHR
1 stop13h 55mAmerican Airlines
Deal found 24/11£460
Mon 15/1216:35LGW - LAX
1 stop30h 25mTAP AIR PORTUGAL
Thu 19/218:55LAX - LGW
1 stop36h 50mTAP AIR PORTUGAL
Deal found 24/11£465
Mon 15/1209:10LCY - LAX
1 stop17h 20mBritish Airways
Thu 8/120:15LAX - LCY
1 stop14h 20mBritish Airways
Deal found 24/11£484

Flights to Costa Mesa in 2025

Find the latest flights to Costa Mesa in 2025, 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 25 November 2025.

Return from

£431

One-way from

£366

Popular in

December

Cheapest in

September

Average price

£485
Virgin Atlantic
  • Virgin Atlantic
  • 12/2-21/2
  • 2 total stops
  • 44h 35m total
  • London to Los Angeles
British Airways
  • British Airways
  • 21/2
  • Nonstop
  • 11h 20m total
  • London to Costa Mesa
Highest demand for flights based on searches. 6% potential increase in price (£31 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for return flights in November 2025

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 25 November 2025.
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

LTN - LAX

LTNLAX

London Luton

Thu 12/3

06:50-19:05

1 stop19h 15m

Los Angeles

Tue 24/3

18:30-20:10

2 stops18h 40m

£444

LondonLos Angeles

SEN - LAX

SENLAX

London Southend

Thu 12/2

06:50-18:05

1 stop19h 15m

Los Angeles

Thu 19/2

19:50-21:25

2 stops17h 35m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 24/4

06:30-11:50

1 stop13h 20m

Los Angeles

Sat 2/5

22:35-17:00

Nonstop10h 25m

£454

LondonLos Angeles

STN - LAX

STNLAX

London Stansted

Sat 14/3

21:10-18:05

2 stops27h 55m

Los Angeles

Sun 22/3

19:50-20:05

2 stops17h 15m

£458

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Thu 12/3

06:50-19:05

1 stop19h 15m

Los Angeles

Mon 23/3

18:30-20:10

2 stops18h 40m

£459

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 13/1

19:50-17:00

2 stops29h 10m

Los Angeles

Thu 22/1

19:30-09:35

2 stops30h 05m

£468

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 4/2

09:00-16:35

1 stop15h 35m

Los Angeles

Mon 9/2

11:02-09:40

1 stop14h 38m

£469

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 4/2

06:50-18:30

1 stop19h 40m

Los Angeles

Sun 8/2

12:12-20:00

2 stops23h 48m

£469

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/2

06:30-13:05

1 stop14h 35m

Los Angeles

Mon 16/2

19:00-13:30

Nonstop10h 30m

£472

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 9/12

09:00-16:35

1 stop15h 35m

Los Angeles

Thu 22/1

19:00-13:30

Nonstop10h 30m

£479

Flights are sorted by cheapest return flights first.

Deals found on 23/11

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 21 November 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 15 hours 12 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.

When is the cheapest time to fly to Costa Mesa?

Use this chart to determine the cheapest time to fly return from London to Costa Mesa. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Costa Mesa should consider flying on Sunday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday at midday, when prices are usually at their highest.

Weekly flight availability to Costa Mesa

The most flights from London to Costa Mesa are scheduled on a Saturday (52 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (33 on average).

What are the cheapest airlines that fly to Costa Mesa?

The cheapest airlines flying from London to Costa Mesa are SWISS, Norse Atlantic UK and Aer Lingus.

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 25 November 2025.
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.

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Norse Atlantic UK
7.2
Good

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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, Finnair 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 £132, however they can be found for as little as £36.

  • 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 15 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?

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