ExceptionalNonstop · 1h
LIS to SVQSpain
Seville
$36
usually $125
−71%
Most monthly lows $40–$125. Cheaper than every other month on record (5).
Flights · LIS → EZE
Lisbon to Buenos Aires
Best fare, round trip
$979
−9%
below its usual $1,080
you keep $101
Found
- Depart
- Wed 24 Mar
- Return
- Wed 7 Apr
- Stay
- 14 nights
- Flight
- 1 stop · 14h
- Airline
easyJet
Most of this route’s monthly lows fall between $1,007 and $1,257. The drop beats 18% of measured fares on the board, over 6 observed months.
Cached fare — the booking search re-prices live before you pay.
ArgentinaBuenos AiresEuropean bones, Latin hours — and a peso that has made this one of the cheapest big cities to spend a week in.Best windowOct–Dec · Mar–MayAirportsEzeiza (EZE) · Aeroparque (AEP)Every route into Buenos AiresFare seasonality
When this route gets cheap.
Fares bottom out in March around $979 and peak in October near $1,352, 38% dearer, across the 6 months we track. The cheapest itinerary we are tracking makes one stop and takes about 14 hours outbound, on a 14-night trip — ticketed under easyJet, which on a connecting fare need not operate every leg. At $979 for 9,627 km each way, that works out to about $51 per 1,000 km flown. That is above the $44 per 1,000 km typical of long-haul fares here. Across the 27 departure cities we track at a similar distance from Buenos Aires, this fare ranks 10th — 1.8× the $550 we hold from New York. For context, the middle fare among the 33 routes of similar length we watch out of Lisbon is $764. The best time to be in Buenos Aires: Oct–Dec · Mar–May.
Day-level prices for the next 4 months
Press a day to compare its fares
The median cached fare across this calendar is 7% higher than when tracking began on 8 Aug — $1,444 then versus $1,548 now, across 19 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $940, on 24 Nov.
Cached day-level data for this route is sparse — 10 of 109 days priced, from 64 tracked fares. The days below are shown as found, with no cheapest-day or below-median call.
October 2026
November 2026
12345678910111213141516171819202122Monday 23 November: $1k. Compare fares from this day.242526272829Monday 30 November: $1.4k. Compare fares from this day.
December 2026
12345678910111213Monday 14 December: $1.6k. Compare fares from this day.Tuesday 15 December: $2.1k. Compare fares from this day.16Thursday 17 December: $2.3k. Compare fares from this day.181920Monday 21 December: $1.3k. Compare fares from this day.Tuesday 22 December: $2.2k. Compare fares from this day.232425262728293031
January 2027
12345678910111213141516171819202122232425262728293031
Cached fares · checked 15 Oct 2026
Cheapest in Mar, around $979
9% below the $1,080 typical fare
$1352Oct, above the usual price. Compare October fares.$1038Nov, around the usual price. Compare November fares.$1257Dec, above the usual price. Compare December fares.$1082Feb ’27, around the usual price. Compare February fares.$979Mar, the cheapest month. Compare March fares.$1007Apr, below the usual price. Compare April fares.
CheapestBelow usualUsualAbove usualPress a month to compare its fares
Cheapest round-trip fare found each month, Lisbon to Buenos Aires, from cached prices.
Route facts
- Airports
- Humberto Delgado (LIS) ↔ Ezeiza (EZE) · Aeroparque (AEP)
- Flight time
- ≈14 hours outbound
- Distance
- ≈9,627 km each way
- Typical price
- $1,080 round-trip (seasonal median)
- Airlines on the board
- easyJet
- Itineraries
- Connections on current fares
- Best months to visit
- Oct–Dec · Mar–May
Good to know
LIS → EZE, answered.
Is $979 a good price for Lisbon to Buenos Aires?
Only slightly. The seasonal median is around $1,080 round-trip and this fare is 9% under it. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Lisbon to Buenos Aires?
Across 6 months of cached-fare history, Mar comes out cheapest on this route. The best months to actually be in Buenos Aires are Oct–Dec · Mar–May — when those overlap, that's your window.
How far in advance should I book LIS → Buenos Aires?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 6 months of cached fares, Mar comes out lowest on this route. Our guide Why flight prices change covers what does move a fare.
Are there nonstop flights from Lisbon to Buenos Aires?
The current cheapest fares involve a connection, ticketed under easyJet. We hold no nonstop fare on this route right now, which does not mean none flies — search your exact dates to see what does.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on 17 October). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Buenos Aires?
Lock the flight first — then compare stays for 24 Mar '27 – 7 Apr '27 · 14 nights.
Browse hotelsMissed it?
Cached fares expire. This route has a feed of its own — follow it and the next LIS → EZE drop reaches you as soon as we find it.
Follow this route’s feedKeep browsing
Related routes on the board.
Exceptional1 stop · 5h
LIS to EDIUnited Kingdom
Edinburgh
$92
usually $235
−61%
Most monthly lows $142–$235. Cheaper than every other month on record (3).
RareNonstop · 3h
LIS to ROMItaly
Rome
$71
usually $125
−43%
Most monthly lows $121–$130. Cheaper than every other month on record (8).
Rare1 stop · 12.5h
NYC to EZEUnited States
New York
$550
usually $1,000
−45%
Most monthly lows $813–$1,015. Cheaper than every other month on record (4).
Great2 stops · 25.5h
BCN to EZESpain
Barcelona
$882
usually $1,310
−33%
Most monthly lows $932–$1,545. Cheaper than every other month on record (6).
Great1 stop · 16h
MAD to EZESpain
Madrid
$630
usually $910
−31%
Most monthly lows $703–$1,004. Cheaper than every other month on record (9).
