Booking tips for Asuncion → Buenos Aires
For most economy fares on Asuncion to Buenos Aires, booking roughly three to eight weeks ahead tends to hit the sweet spot on price, with last-minute fares rising sharply in the final two weeks. Tuesday, Wednesday, and Saturday departures are usually cheaper than Fridays and Sundays, and early-morning or late-evening flights often undercut midday slots. If you are traveling light, the difference between a basic economy fare with carry-on only and a standard fare with a checked bag can be significant. Compare both options before booking, and also check whether ASU or AEP has a nearby alternative airport that might offer better fares on the same dates.
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Aerolineas Argentinas | 4 sightings | No recorded events |
| JES | 3 sightings | No recorded events |
Planning ASU → AEP
ASU to AEP is a short-haul route of 1,040 km (646 mi). See the return AEP → ASU route.
Alternative airports near Buenos Aires: El Palomar (EPA) — 19 km, San Fernando (FDO) — 20 km, Buenos Aires (EZE) — 31 km.
Frequently asked questions about Asuncion → Buenos Aires
How long does the flight from Asuncion to Buenos Aires take?
Flight time from Asuncion (ASU) to Buenos Aires (AEP) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.
Which airlines fly from Asuncion to Buenos Aires?
Airline availability for ASU to AEP changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.
Are there direct flights from Asuncion to Buenos Aires?
Direct (nonstop) availability on ASU to AEP varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.
What is the cheapest month to fly from Asuncion to Buenos Aires?
Prices on ASU to AEP shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.
Plan the rest of your trip to Buenos Aires
- Things to doBook attractions and tours in Buenos Aires.
- Travel insuranceCover delays, baggage, and medical costs abroad.
- eSIM dataGet online in Argentina the moment you land.
- Car rentalCompare rental cars across global suppliers.
- Airport transferBook a private ride from the airport in advance.
Affiliate links — we may earn a commission, at no extra cost to you.