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Cheap flights from San José to London from $328

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José to London departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 7:50 amSJO-LHR
18h 50m1 stop
Multiple Airlines Logo
6:20 am - 3:00 pmLHR-SJO
14h 40m1 stop
$720Multiple Airlines
Find Deal
Thu, Feb 5 - Thu, Feb 19
Multiple Airlines Logo
1:25 pm - 1:30 pmSJO-LHR
17h 05m1 stop
Multiple Airlines Logo
6:15 am - 5:25 pmLHR-SJO
18h 10m1 stop
$735Multiple Airlines
Find Deal
Fri, Apr 24 - Sun, May 17
KLM Logo
1:25 pm - 1:30 pmSJO-LHR
17h 05m1 stop
KLM Logo
8:40 am - 4:20 pmLHR-SJO
14h 40m1 stop
$736KLM
Find Deal
Tue, Apr 21 - Thu, May 21
KLM Logo
1:25 pm - 1:30 pmSJO-LHR
17h 05m1 stop
KLM Logo
6:30 am - 4:20 pmLHR-SJO
16h 50m1 stop
$737KLM
Find Deal
Tue, Apr 21 - Thu, May 21
KLM Logo
2:31 pm - 11:40 amSJO-LHR
15h 09m1 stop
KLM Logo
10:00 am - 6:25 pmLHR-SJO
14h 25m1 stop
$740KLM
Find Deal
Thu, Feb 5 - Tue, Feb 24
KLM Logo
7:00 am - 6:25 amSJO-LHR
17h 25m1 stop
KLM Logo
10:00 am - 6:25 pmLHR-SJO
14h 25m1 stop
$747KLM
Find Deal
Thu, Feb 5 - Tue, Feb 24
Multiple Airlines Logo
1:25 pm - 1:30 pmSJO-LHR
17h 05m1 stop
Multiple Airlines Logo
3:25 pm - 5:25 pmLHR-SJO
33h 00m1 stop
$749Multiple Airlines
Find Deal
Tue, Apr 14 - Tue, May 12
Avianca Logo
9:45 am - 2:35 pmSJO-LHR
22h 50m1 stop
Avianca Logo
9:40 pm - 11:15 pmLHR-SJO
31h 35m2 stops
$818Avianca
Find Deal
Thu, Feb 5 - Thu, Feb 19
Avianca Logo
4:15 pm - 2:35 pmSJO-LHR
16h 20m1 stop
Avianca Logo
9:40 pm - 3:20 pmLHR-SJO
23h 40m1 stop
$819Avianca
Find Deal
Tue, Mar 10 - Tue, Mar 24
Avianca Logo
6:00 am - 2:35 pmSJO-LHR
26h 35m2 stops
Avianca Logo
9:40 pm - 11:15 pmLHR-SJO
31h 35m2 stops
$820Avianca
Find Deal
Tue, Mar 17 - Tue, Mar 24

KLM flights from San José to London Heathrow Airport

Our best KLM deals on San José to London Heathrow Airport flight tickets
KLM
Apr 21
SJO1:25 pmSan José Juan Santamaria Intl
17h 05m
1 stop
LHR1:30 pmLondon Heathrow
May 21
LHR8:40 amLondon Heathrow
14h 40m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
$736
Find similar
KLM
Apr 21
SJO1:25 pmSan José Juan Santamaria Intl
17h 05m
1 stop
LHR1:30 pmLondon Heathrow
May 21
LHR6:30 amLondon Heathrow
16h 50m
1 stop
SJO4:20 pmSan José Juan Santamaria Intl
$737
Find similar
KLM
Feb 5
SJO2:31 pmSan José Juan Santamaria Intl
15h 09m
1 stop
LHR11:40 amLondon Heathrow
Feb 24
LHR10:00 amLondon Heathrow
14h 25m
1 stop
SJO6:25 pmSan José Juan Santamaria Intl
$740
Find similar

Avianca flights from San José to London Heathrow Airport

Our best Avianca deals on San José to London Heathrow Airport flight tickets
Avianca
Nov 10
SJO4:15 pmSan José Juan Santamaria Intl
16h 20m
1 stop
LHR2:35 pmLondon Heathrow
May 4
LHR10:05 pmLondon Heathrow
24h 45m
1 stop
SJO3:50 pmSan José Juan Santamaria Intl
$810
Find similar
Avianca
Nov 4
SJO4:15 pmSan José Juan Santamaria Intl
16h 20m
1 stop
LHR2:35 pmLondon Heathrow
Apr 28
LHR10:05 pmLondon Heathrow
32h 10m
2 stops
SJO11:15 pmSan José Juan Santamaria Intl
$813
Find similar
Avianca
Nov 4
SJO6:00 amSan José Juan Santamaria Intl
26h 35m
2 stops
LHR2:35 pmLondon Heathrow
Apr 28
LHR10:05 pmLondon Heathrow
32h 10m
2 stops
SJO11:15 pmSan José Juan Santamaria Intl
$816
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San José to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/5

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Thu 2/19

6:20 am-3:00 pm

1 stop14h 40m

$720

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Fri 4/24

1:25 pm-1:30 pm

1 stop17h 05m

London Heathrow

Sun 5/17

6:15 am-5:25 pm

1 stop18h 10m

$735

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/21

1:25 pm-1:30 pm

1 stop17h 05m

London Heathrow

Thu 5/21

8:40 am-4:20 pm

1 stop14h 40m

$736

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/21

1:25 pm-1:30 pm

1 stop17h 05m

London Heathrow

Thu 5/21

6:30 am-4:20 pm

1 stop16h 50m

$737

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/5

2:31 pm-11:40 am

1 stop15h 09m

London Heathrow

Tue 2/24

10:00 am-6:25 pm

1 stop14h 25m

$740

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/5

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Tue 2/24

10:00 am-6:25 pm

1 stop14h 25m

$747

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 4/14

1:25 pm-1:30 pm

1 stop17h 05m

London Heathrow

Tue 5/12

3:25 pm-5:25 pm

1 stop33h 00m

$749

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Thu 2/5

9:45 am-2:35 pm

1 stop22h 50m

London Heathrow

Thu 2/19

9:40 pm-11:15 pm

2 stops31h 35m

$818

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/10

4:15 pm-2:35 pm

1 stop16h 20m

London Heathrow

Tue 3/24

9:40 pm-3:20 pm

1 stop23h 40m

$819

San JoséLondon

SJO - LHR

SJOLHR

San José Juan Santamaria Intl

Tue 3/17

6:00 am-2:35 pm

2 stops26h 35m

London Heathrow

Tue 3/24

9:40 pm-11:15 pm

2 stops31h 35m

$820

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from San José to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San José and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from San José, with most prices found around $717. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from San José to London Heathrow Airport during January average around $743.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $711. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $945.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from San José to London Heathrow Airport in the morning for as low as $766. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $992.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $857 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San José for as low as $799 on momondo.

Can stopping save me money on San José to London Heathrow Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a San José to London Heathrow Airport flight.

How have San José to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for San José to London Heathrow Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from San José to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San José to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San José to London Heathrow Airport (SJO to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San José to London Heathrow Airport

Direct flights

None
There are no direct flights from San José to London Heathrow Airport. There are no popular flight routes from San José to London Heathrow Airport.
Search flight deals

  • How far is San José Juan Santamaria Intl to London Heathrow by plane?

    There are 5405.7 mi between San José Juan Santamaria Intl and London Heathrow. A reasonable flight in good conditions will take 13h 35m.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to London Heathrow Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from San José Juan Santamaria Intl Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San José to London Heathrow Airport?

Best airlines flying from San José to London Heathrow Airport

Compare and see reviews for airlines that fly from San José to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $633Free CancellationRating
7.1
10,381 reviews
Search Air Canada flights
Air FrancePriceFrom $683Free CancellationRating
7.4
1,482 reviews
Search Air France flights
KLMPriceFrom $709Free CancellationRating
7.7
1,406 reviews
Search KLM flights
British AirwaysPriceFrom $719Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
IberiaPriceFrom $735Free CancellationRating
7.0
3,003 reviews
Search Iberia flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
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Slough
Guildford
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Crawley
Stratford-upon-Avon
Brentwood
Salisbury
Chelmsford
Folkestone
Romford
Ilford
Swindon
Cobham
Wembley

Why use momondo?

Why should I use momondo to find a flight deal from San José to London?

Finding the right flight to London from San José is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from San José to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from San José with this policy.

How can momondo help me find flights from San José to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San José.

I’m not ready to book a flight from San José to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from San José. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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