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Flights Buenos Aires (Ezeiza) → San José (Alajuela)

As of October 2026, economy flights from Buenos Aires (Ezeiza) to San José (Alajuela) have a typical range USD 636–1545, median USD 784. Full range across all 247 offers: USD 592–5100. We analyzed 247 offers from 8 airlines in a single price check.

247 offersavg USD 53 in feesFresh · October 2026
Search Buenos Aires (Ezeiza) → San José (Alajuela) — see your price →

Preview snapshot — prices change. Search for live results.

Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →

Best offers by airline: Buenos Aires (Ezeiza) → San José (Alajuela)

Based on 247 offers · October 2026. Prices and availability change — run a live search to confirm.

LATAM AirlinesUSD 592
10h 15m–24h 36mMin 1 stopMorning (06–12)
Search LATAM Airlines
Copa AirlinesUSD 627
10h 16m–20h 29mMin 1 stopNight (21–00)
Bags included
Search Copa Airlines
COPAUSD 784
12h 23mMin 1 stopNight (21–00)
Search COPA
AviancaUSD 792
10h 5m–19h 45mMin 1 stopAfternoon (12–18)
Non-refundable
Search Avianca
Boliviana de AviacionUSD 1069
20h 55mMin 2 stopsAfternoon (12–18)
Non-refundable
Search Boliviana de Aviacion
AeromexicoUSD 1299
15h 40mMin 1 stopNight (21–00)
Non-refundable
Search Aeromexico
American AirlinesUSD 1598
15h 8mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search American Airlines
UnitedUSD 2470
16h 11mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search United

Bag & seat fees: Buenos Aires (Ezeiza) → San José (Alajuela)

Add-on pricing from the cheapest available offer per airline · October 2026 · USD

AirlineCarry-onChecked bagSeat selection
LATAM Airlines———
Copa AirlinesIncludedUSD 40—
Avianca———
American AirlinesIncludedUSD 35—
UnitedIncludedUSD 35—

Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.

How much do flights from Buenos Aires (Ezeiza) to San José (Alajuela) cost?

Based on 247 offers · October 2026

Buenos Aires (Ezeiza) to San José (Alajuela) flights ranged from USD 592 to USD 5100 across 247 offers analyzed in October 2026. The chart below shows how prices distributed across all 247 offers.

P10: USD 636P25: USD 659P50: USD 784P75: USD 941P90: USD 1545

These 247 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.

50% of offers priced between USD 659 and USD 941

What hidden fees do Buenos Aires (Ezeiza) to San José (Alajuela) flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Buenos Aires (Ezeiza) to San José (Alajuela) routes. The breakdown below is based on 247 offers analyzed in October 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
LA10013%
CM304%
AV474%
AA453%
UA451%

LATAM Airlines: base ~USD 682 + fees USD 100 = ~USD 782 total. American Airlines: base ~USD 1553 + fees USD 45 = ~USD 1598 total.

LATAM Airlines's USD 100 ancillary fees narrow the gap with American Airlines's lower-fee model — the USD 871 base difference shrinks to USD 816 after fees. Always compare total cost, not just the advertised base fare.

Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from Buenos Aires (Ezeiza) to San José (Alajuela)?

8 airlines flew Buenos Aires (Ezeiza) to San José (Alajuela) in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.

Even on the cheapest airline (Copa Airlines), fares ranged USD 646–864 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →

AirlineOffersTypical range (USD)Median (USD)Fees (USD)
Copa Airlines120646–86467730 (4%)
LATAM Airlines66627–956782100 (13%)
COPA5—784n/a
Avianca34798–2231114847 (4%)
OB51070–12111201n/a
American Airlines51598–1666159845 (3%)
AM31437–19901990n/a
United Airlines92470–3464305145 (1%)

Where do the best Buenos Aires (Ezeiza) → San José (Alajuela) prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.

We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.

Key facts: Buenos Aires (Ezeiza) to San José (Alajuela) flights

Frequently asked questions

How much does a flight from Buenos Aires (Ezeiza) to San José (Alajuela) cost?
Based on 247 offers analyzed, Buenos Aires (Ezeiza) to San José (Alajuela) flights range from USD 592 to USD 5100, with a median price of USD 784. Search for your specific dates →
What hidden fees should I expect on Buenos Aires (Ezeiza) to San José (Alajuela) flights?
On average, ancillary fees (bags, seat selection) add USD 53 to the base fare on Buenos Aires (Ezeiza) to San José (Alajuela) flights. See itemized fees for your itinerary →
Which airline is cheapest on Buenos Aires (Ezeiza) to San José (Alajuela) including all fees?
Copa Airlines has the lowest median fare on Buenos Aires (Ezeiza) to San José (Alajuela) at USD 677 (median across 120 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Buenos Aires (Ezeiza)–San José (Alajuela) flights?
It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 628. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Buenos Aires (Ezeiza) to San José (Alajuela) routes?
Buenos Aires (Ezeiza) to San José (Alajuela) has 8 airlines competing, creating a price range from USD 592 to USD 5100 across 247 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

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Flights Buenos Aires (Ezeiza) → San José (Alajuela): Price Data & Hidden Fees | LetsFG