£360+ 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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LAX
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Costa Mesa in 2025

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 21 December 2025.

Fri 26/1213:25LHR - LAX
2 stops26h 15mAir Canada
Sat 10/105:00LAX - LHR
2 stops17h 30mAir Canada
Deal found 19/12£442
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Fri 17/711:45LAX - LHR
1 stop13h 15mDelta
Deal found 18/12£442
Tue 30/1211:20LHR - LAX
Nonstop11h 15mDelta
Sun 5/713:50LAX - LHR
1 stop12h 55mDelta
Deal found 18/12£449
Sat 27/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Wed 7/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 19/12£451
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Fri 10/718:55LAX - LHR
1 stop13h 55mDelta
Deal found 18/12£452
Fri 26/1211:35LHR - LAX
2 stops16h 48mUnited Airlines
Mon 12/121:30LAX - LHR
2 stops15h 05mUnited Airlines
Deal found 18/12£458
Thu 25/1211:10LHR - LAX
1 stop16h 17mAir Canada
Mon 5/122:27LAX - LHR
2 stops24h 03mAir Canada
Deal found 18/12£463
Fri 26/1211:35LHR - LAX
2 stops16h 48mUnited Airlines
Sat 10/107:01LAX - LHR
2 stops14h 54mUnited Airlines
Deal found 18/12£464
Thu 25/1206:00LHR - LAX
1 stop16h 40mTAP AIR PORTUGAL
Tue 13/116:45LAX - LHR
1 stop16h 45mTAP AIR PORTUGAL
Deal found 20/12£465
Fri 26/1218:00LHR - LAX
1 stop24h 32mUnited Airlines
Sat 27/1219:13LAX - LHR
1 stop28h 12mUnited Airlines
Deal found 18/12£466
Fri 26/1211:30LHR - LAX
1 stop18h 05mVirgin Atlantic
Wed 31/1222:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 18/12£466
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Sun 5/713:50LAX - LHR
1 stop12h 55mDelta
Deal found 18/12£467

Find flight deals to Costa Mesa

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 21 December 2025.

Return from

£442

One-way from

£360

Popular in

December

Cheapest in

September

Average price

£591
British Airways
  • British Airways
  • 4/2-8/2
  • 2 total stops
  • 33h 10m total
  • London to Los Angeles
20/3
  • 20/3
  • 2 total stops
  • 26h 10m total
  • London to Costa Mesa
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for return flights in December 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 21 December 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

LCY - LAX

LCYLAX

London City

Mon 13/4

08:25-21:03

2 stops20h 38m

Los Angeles

Sun 19/4

13:50-18:30

1 stop20h 40m

£444

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 21/4

13:10-20:01

1 stop14h 51m

Los Angeles

Wed 29/4

09:45-06:50

1 stop13h 05m

£445

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 22/4

13:10-20:01

1 stop14h 51m

Los Angeles

Tue 28/4

09:45-06:50

1 stop13h 05m

£445

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 4/2

17:05-17:36

2 stops56h 31m

Los Angeles

Sun 8/2

15:45-20:00

2 stops44h 15m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/3

15:35-18:00

2 stops33h 25m

Los Angeles

Sat 21/3

20:30-17:40

1 stop14h 10m

£459

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 27/3

13:00-23:52

1 stop17h 52m

Los Angeles

Mon 13/4

19:19-09:50

1 stop30h 31m

£462

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 17/3

15:35-18:00

2 stops33h 25m

Los Angeles

Sat 28/3

19:55-16:25

2 stops36h 30m

£462

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Sat 17/1

08:40-22:48

2 stops22h 08m

Los Angeles

Sat 24/1

11:35-13:15

2 stops17h 40m

£463

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Mon 26/1

13:50-17:00

2 stops35h 10m

Los Angeles

Wed 4/2

19:30-23:05

2 stops19h 35m

£469

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 14/2

21:05-18:10

1 stop29h 05m

Los Angeles

Sun 22/2

19:55-13:50

1 stop33h 55m

£470

Flights are sorted by cheapest return flights first.

Deals found on 19/12

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 12 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 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.

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 Wednesday, which is when the least amount of flights are scheduled (46 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 21 December 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.

Entertainment

7.1

Boarding

7.8

Crew

8.3

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Boarding

7.8

Crew

8.3

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Boarding

7.8

Crew

8.3

Overall

7.7

Comfort

7.6

Food

7.2

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

Entertainment

7.1

Boarding

7.8

Crew

8.3

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Boarding

7.8

Crew

8.3

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Boarding

7.8

Crew

8.3

Overall

7.7

Comfort

7.6

Food

7.2

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, 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 £88, however they can be found for as little as £23.

  • 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.

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