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Cheap flights from Mexico City to Buenos Aires

One-way from $370, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Mon, Dec 7Any priceTue, Dec 8Any priceWed, Dec 9Any priceThu, Dec 10$370Fri, Dec 11Any priceSat, Dec 12Any priceSun, Dec 13Any priceMon, Dec 14$522

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$370
Arajet, flight DM 4165Found 2 days ago, 1 adult
Check live price
11:34pmMexico CityThu, Dec 10
Travel time 12h 27m, 1 stopNLUEZE
3:01pmBuenos AiresFri, Dec 11
$371
Viva Aerobus, flight VB 2015Found yesterday, 1 adult
Check live price
6:22amMexico CityFri, Apr 2
Travel time 13h 19m, 2 stopsTLCEZE
10:41pmBuenos AiresFri, Apr 2
$400
Arajet, flight DM 4165Found 2 days ago, 1 adult
Check live price
11:34pmMexico CityThu, Nov 26
Travel time 12h 27m, 1 stopNLUEZE
3:01pmBuenos AiresFri, Nov 27
$414
Arajet, flight DM 1671Found 2 days ago, 1 adult
Check live price
5:05pmMexico CityFri, Nov 27
Travel time 12h 22m, 1 stopNLUEZE
8:27amBuenos AiresSat, Nov 28
$423
Volaris, flight Y4 3918Found 2 days ago, 1 adult
Check live price
10:00pmMexico CityFri, Jan 15
Travel time 10h 20m, 1 stopMEXEZE
11:20amBuenos AiresSat, Jan 16

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in ArgentinaTravel eSIM from $5, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Buenos Aires, booked ahead at a fixed price.
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  • Things to do in Buenos AiresPopular tours from $70 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Argentina from EKTA; check what each policy covers.
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  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$53226–27–28–29–30–31$613

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7$6248$6209–10–11$56212$52513–14–15–16$52117$47618–19–20–21$43022$67123–24–25$43826$40027$41428$45329–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10$37011–12–13–14$52215$51716–17–18–19–20–21–22–23–2425262728293031
$423 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 10, $370.

Lowest fares by month

In the fares found this week, December has the lowest: from $370 one-way, against $532 in October. Pick a month to see its cheapest date.

  1. Oct$532
  2. Nov$400
  3. Dec$370
  4. Jan$423
  5. Feb$451
  6. Marno fares yet
  7. Apr$371
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$200$400$600OctNov$370DecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$532Sun, Oct 251 stop
November$400Thu, Nov 261 stop
December$370Thu, Dec 101 stop
January 2027$423Fri, Jan 151 stop
February 2027$451Mon, Feb 11 stop
March 2027—
April 2027$371Fri, Apr 22 stops
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Buenos Aires. Average daily high and low and monthly precipitation, 1991–2020 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$532$400$370$423$451–$371–––––
High °C23°26°29°30°29°27°23°19°16°16°18°20°
Low °C13°16°19°20°19°18°14°11°8°8°9°11°
Precipitation mm1231181231341291201309462747081

Source: Buenos Aires on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Mexico City to Buenos Aires?

In the fares found this week, December has the lowest: from $370 one-way, against $532 in October.

What is the weather in Buenos Aires in December?

In December, the cheapest month to fly, the average daily high in Buenos Aires is 29 °C and the low 19 °C.

Are there direct flights from Mexico City to Buenos Aires?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Thursday departures are the cheapest, with a typical lowest fare of $400. Sunday is the priciest at about $620.

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