Best time to go: what is the RIGHT price for a round-trip flight to Buenos Aires (from: London)

The average price to go to Buenos Aires from London airport is $ 1054 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 898 (in march) and $ 1282 (in august), which is a saving of $ 156 or a surplus of $ 228 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $896 to $949 and it is generally more economical to leave on a wednesday and return on a wednesday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Buenos Aires before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your London-Buenos Aires plane ticket.

How are these data calculated?

We have studied a sample of 60120 airfare prices from previous years for flights to Buenos Aires from London and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Data analysis:

By leaving in march, the price of the plane ticket will statistically be the cheapest ($ 898, saving $ 156 compared to the average price over the year which is $ 1054). Conversely, august will be the most expensive ($ 1282).

Flight London-Buenos Aires: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 907 $ 1020 fair price
February$ 877 $ 954 good price
March$ 814 $ 898 very good price
April$ 911 $ 982 fair price
May$ 889 $ 968 good price
June$ 925 $ 1041 fair price
July$ 1082 $ 1233 high price
August$ 1169 $ 1282 very high price
September$ 966 $ 1048 fair price
October$ 989 $ 1092 fair price
November$ 908 $ 957 good price
December$ 992 $ 1159 fair price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from London to Buenos Aires

Data analysis:

The prices for flights from London to Buenos Aires range from $738 to $1476. 3% of tickets were purchased at the minimum price (from $738 to $791), 1% at the maximum price (from $1423 to $1476). The majority of plane tickets were purchased in the range of $1001 to $1054 (13% of tickets).

Cheapest airlines for the London->Buenos Aires flight

There are 18 companies that serve London from Buenos Aires airport: latam airlines group, Air Europa, Turkish Airlines, British Airways, Lufthansa, Virgin Atlantic, Iberia, Air France, Finnair, Swiss, Air Canada, American Airlines, Ita Airways, KLM, Delta, Vueling Airlines, EasyJet and Ryanair.

Data analysis:

Of the 60120 flights analyzed in previous years, latam airlines group was the airline that offered the best fare most often in the flight ticket search results (16% of the time) on the London->Buenos Aires route.

Which day of the week to leave?

Data analysis:

Statistically, London-Buenos Aires flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $30. On the other hand, departing on a sunday may cost you an additional $42.

Which day of the week to come back?

Data analysis:

Statistically, return flights from Buenos Aires to London departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $26. Conversely, departing from Buenos Aires on a saturday may cost you an additional $37.


Top prices London-Buenos Aires

Round tripDatesPrice
London → Buenos Aires05-06 to 26-06-2025$ 800 
London → Buenos Aires11-06 to 23-06-2025$ 801 
London → Buenos Aires12-06 to 23-06-2025$ 803 
London → Buenos Aires17-06 to 24-06-2025$ 804 
London → Buenos Aires03-09 to 24-09-2025$ 801 
London → Buenos Aires07-09 to 21-09-2025$ 805 
London → Buenos Aires08-09 to 20-09-2025$ 805 
London → Buenos Aires10-09 to 24-09-2025$ 804 
London → Buenos Aires15-09 to 29-09-2025$ 801 
London → Buenos Aires17-09 to 28-09-2025$ 801 


When to book your flight London - Buenos Aires to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 4 to 5 months in advance. However, you may end up paying a high price if you book between 0 to 1 month in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a London-Buenos Aires flight, it is recommended to book your ticket on a wednesday.

How far in advance should I buy my flight?

Data analysis:

To get the cheapest flight ticket from London to Buenos Aires, it is recommended to buy it 4 to 5 months before departure (it is then on average 996 $, which is a saving of 58 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (87 $ more than the average price).

Depending on the departure month

The best time to buy your London to Buenos Aires flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January

Best time: 7 to 8 months before departure (average price: 961 $)

Other interesting period(s): 1 to 2 months ($ 973), 2 to 3 months ($ 991), 5 to 6 months ($ 966), 6 to 7 months ($ 964)

February

Best time: 7 to 8 months before departure (average price: 884 $)

Other interesting period(s): 2 to 3 months ($ 910), 3 to 4 months ($ 913), 5 to 6 months ($ 916), 6 to 7 months ($ 899), 8 to 9 months ($ 910)

March

Best time: 4 to 5 months before departure (average price: 825 $)

Other interesting period(s): 3 to 4 months ($ 884), 6 to 7 months ($ 846), 7 to 8 months ($ 846), 8 to 9 months ($ 841), 9 to 10 months ($ 847)

April

Best time: 10 to 11 months before departure (average price: 899 $)

Other interesting period(s): 3 to 4 months ($ 966), 4 to 5 months ($ 937), 9 to 10 months ($ 932)

May

Best time: 11 to 12 months before departure (average price: 805 $)

Other interesting period(s): 4 to 5 months ($ 953), 5 to 6 months ($ 939), 7 to 8 months ($ 928), 8 to 9 months ($ 869), 9 to 10 months ($ 886), 10 to 11 months ($ 821)

June

Best time: 11 to 12 months before departure (average price: 804 $)

Other interesting period(s): 0 to 1 month ($ 998), 1 to 2 months ($ 1014), 2 to 3 months ($ 1016), 3 to 4 months ($ 1018), 8 to 9 months ($ 984), 9 to 10 months ($ 892), 10 to 11 months ($ 839)

July

Best time: 10 to 11 months before departure (average price: 993 $)

Other interesting period(s): 0 to 1 month ($ 1138), 1 to 2 months ($ 1045), 2 to 3 months ($ 1123), 9 to 10 months ($ 1090), 11 to 12 months ($ 1073)

August

Best time: 10 to 11 months before departure (average price: 1152 $)

Other interesting period(s): 1 to 2 months ($ 1277), 2 to 3 months ($ 1214), 7 to 8 months ($ 1271), 9 to 10 months ($ 1243), 11 to 12 months ($ 1277)

September

Best time: 3 to 4 months before departure (average price: 946 $)

Other interesting period(s): 1 to 2 months ($ 1037), 2 to 3 months ($ 998), 4 to 5 months ($ 1038), 6 to 7 months ($ 1038), 9 to 10 months ($ 1006)

October

Best time: 4 to 5 months before departure (average price: 956 $)

Other interesting period(s): 1 to 2 months ($ 1077), 2 to 3 months ($ 1037), 3 to 4 months ($ 966), 5 to 6 months ($ 1056), 7 to 8 months ($ 1065), 8 to 9 months ($ 1037), 9 to 10 months ($ 1017), 10 to 11 months ($ 1029)

November

Best time: 5 to 6 months before departure (average price: 870 $)

Other interesting period(s): 2 to 3 months ($ 932), 3 to 4 months ($ 883), 4 to 5 months ($ 892), 8 to 9 months ($ 948), 10 to 11 months ($ 952)

December

Best time: 1 to 2 months before departure (average price: 1031 $)

Other interesting period(s): 0 to 1 month ($ 1113), 5 to 6 months ($ 1153)

What day of the week should I book my flight ticket?

Data analysis:

Statistically, wednesday is the day when plane tickets for London->Buenos Aires are the cheapest. So, by buying your plane ticket on a wednesday, you will save $9. Conversely, by buying it on a friday, you may end up paying $8 more.



London to Buenos Aires: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
November 2024$ 1448
$1221 to $2454
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December 2024$ 1394
$1078 to $2016
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January 2025$ 1346
$1006 to $1883
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February 2025$ 1108
$1012 to $1346
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March 2025$ 962
$852 to $1125
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April 2025$ 1037
$824 to $1126
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May 2025$ 931
$850 to $1046
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June 2025$ 879
$800 to $1174
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July 2025$ 1047
$880 to $1272
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August 2025$ 1173
$1077 to $1274
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September 2025$ 887
$801 to $1124
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October 2025$ 951
$853 to $1060
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Data analysis:

Compared to the average price, may, june, july, august, september and october are cheaper to travel to Buenos Aires. So it may be interesting to book now to leave during these months!



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