Cheap flights from Montevideo to Buenos Aires
from 133 US$
From 226 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 133 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Montevideo to Buenos Aires, a about 203 km route (around 0h 45m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Amelia, Aerolineas Argentinas operate this route.
The airports on this route
About 20 km from downtown Montevideo
Getting around: Buses, taxis, remises and apps
The terminal is famous for Rafael Viñoly’s architecture — worth a minute of your time.
About 30 km from central Buenos Aires
Getting around: Direct buses, remises, taxis and apps
The long-haul international gateway; allow 45–75 min to the center.
About 6 km from downtown, on the riverfront
Getting around: Taxis, apps, city buses and remises
Domestic and regional, right in the city: usually the convenient one within the Southern Cone.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Montevideo to Buenos Aires?
It's usually 2026-09, from 133 USD. Use the price calendar to compare other dates.
How long is the flight from Montevideo to Buenos Aires?
A nonstop flight takes about 0h 45m and covers around 203 km. Connecting itineraries take longer.
Are there direct flights from Montevideo to Buenos Aires?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Montevideo to Buenos Aires?
Amelia, Aerolineas Argentinas operate this route, among others. Compare them all in the results.
When should I book Montevideo–Buenos Aires flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Montevideo → Buenos Aires · Live fares from 100+ sites — free, with no hidden fees.