Cheap First Class flights to Buenos Aires

LHR — BUE
18 Dec — 25 Dec1
1 adult
1 adult, First, 0 bags

Best travel deals

Find the best flight deals available from hundreds of sites within seconds

Trusted and free

Cheapflights is 100% free to use. No hidden charges!

Book with flexibility

Easily find flight tickets with no change fees

Cheap first class flights to Buenos Aires in 2025

Find the latest flights to Buenos Aires 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 were last updated on 18 November 2025.

Arrival Airport

Buenos Aires Ministro Pistarini Airport
Closest airport for this route

Find first class flight deals to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest first class flights to Buenos Aires
Explore the most affordable first class flight options available to Buenos Aires. Find the lowest fares based on data from user searches, with prices last updated on 18 November 2025.

Tue 30/1214:10LHR - EZE
1 stop23h 30mAmerican Airlines
Mon 26/120:45EZE - LHR
1 stop30h 35mAmerican Airlines
Deal found 17/11£5,983
Wed 18/311:15LHR - EZE
1 stop23h 00mAmerican Airlines
Mon 23/320:00EZE - LHR
1 stop31h 15mAmerican Airlines
Deal found 17/11£6,022
Wed 11/211:55LHR - EZE
1 stop22h 15mAmerican Airlines
Sat 28/220:45EZE - LHR
1 stop30h 35mAmerican Airlines
Deal found 17/11£9,367
Tue 30/1213:35LGW - EZE
2 stops34h 35mEmirates
Mon 26/123:00EZE - LGW
2 stops33h 40mEmirates
Deal found 17/11£12,081
Tue 30/1215:50LHR - EZE
2 stops32h 20mEmirates
Mon 26/123:00EZE - LHR
2 stops29h 10mEmirates
Deal found 17/11£12,111
Tue 17/214:05STN - EZE
2 stops34h 05mEmirates
Sun 1/323:00EZE - STN
2 stops34h 05mEmirates
Deal found 15/11£12,304

Travel insights for first class flights from United Kingdom to Buenos Aires

Get recent, data-driven insights about first class flights from United Kingdom to Buenos Aires including ideal travel times, pricing trends, and more.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.