Cheap Flights from Baltimore Washington International to Buenos Aires

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Compare Baltimore Washington International to Buenos Aires flight deals

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Flight deals from Baltimore Washington International to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Buenos Aires? If you want to travel next month, return fares start from $1,160. Find the lowest prices on one-way and return tickets right here.

Buenos Aires.$1,136 per passenger.Departing Sun, 6 Dec, returning Sat, 12 Dec.Return flight with Copa.Outbound indirect flight with Copa, departs from Baltimore Washington International on Sun, 6 Dec, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Copa, departs from Buenos Aires Ministro Pistarini on Sat, 12 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,136, select.

Buenos Aires.$1,160 per passenger.Departing Mon, 16 Nov, returning Wed, 25 Nov.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Mon, 16 Nov, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Wed, 25 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,160, select.

Buenos Aires.$1,247 per passenger.Departing Sun, 22 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Sun, 22 Nov, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Thu, 3 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,247, select.

Buenos Aires.$1,249 per passenger.Departing Mon, 25 Jan, returning Wed, 31 Mar.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Mon, 25 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Wed, 31 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,249, select.

Buenos Aires.$1,261 per passenger.Departing Tue, 9 Mar, returning Wed, 17 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 9 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Delta, departs from Buenos Aires Ministro Pistarini on Wed, 17 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,261, select.

Buenos Aires.$1,261 per passenger.Departing Sun, 21 Feb, returning Wed, 10 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Sun, 21 Feb, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Delta, departs from Buenos Aires Ministro Pistarini on Wed, 10 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,261, select.

Buenos Aires.$1,261 per passenger.Departing Sun, 24 Jan, returning Fri, 12 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Sun, 24 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Delta, departs from Buenos Aires Ministro Pistarini on Fri, 12 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,261, select.

Buenos Aires.$1,262 per passenger.Departing Sun, 11 Apr, returning Sun, 25 Apr.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Baltimore Washington International on Sun, 11 Apr, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Ministro Pistarini on Sun, 25 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,262, select.

Buenos Aires.$1,262 per passenger.Departing Wed, 6 Jan, returning Tue, 26 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Wed, 6 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Delta, departs from Buenos Aires Ministro Pistarini on Tue, 26 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,262, select.

Buenos Aires.$1,266 per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Thu, 8 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Thu, 15 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,266, select.

Buenos Aires.$1,267 per passenger.Departing Mon, 7 Dec, returning Wed, 21 Apr.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Mon, 7 Dec, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Wed, 21 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,267, select.

Buenos Aires.$1,292 per passenger.Departing Sat, 13 Feb, returning Sat, 27 Feb.Return flight with Copa.Outbound indirect flight with Copa, departs from Baltimore Washington International on Sat, 13 Feb, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Copa, departs from Buenos Aires Ministro Pistarini on Sat, 27 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,292, select.

Buenos Aires.$1,430 per passenger.Departing Wed, 31 Mar, returning Tue, 6 Apr.Return flight with Copa.Outbound indirect flight with Copa, departs from Baltimore Washington International on Wed, 31 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Copa, departs from Buenos Aires Ministro Pistarini on Tue, 6 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,430, select.

Buenos Aires.$1,431 per passenger.Departing Sun, 9 May, returning Sat, 15 May.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Baltimore Washington International on Sun, 9 May, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Ministro Pistarini on Sat, 15 May, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,431, select.

Buenos Aires.$1,735 per passenger.Departing Fri, 30 Apr, returning Sat, 8 May.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Baltimore Washington International on Fri, 30 Apr, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Ministro Pistarini on Sat, 8 May, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,735, select.

Buenos Aires.$1,769 per passenger.Departing Wed, 7 Jul, returning Mon, 12 Jul.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Wed, 7 Jul, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Mon, 12 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,769, select.

Find the cheapest month to fly from Baltimore Washington International to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Buenos Aires flights are currently cheapest in December.

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Alternative Baltimore Washington International to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Baltimore Washington International to Buenos Aires? You could fly into the following airports instead.

Buenos Aires Jorge Newbery

7km from central Buenos Aires

Closest

from $1,577

Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires

Cheapest

from $1,136

Search flights

Washington D.C. to Buenos Aires: Flight information

The things to know before you go.

Cheapest flight found	$1,136
Cheapest month to fly	December

Finding cheap flights from Baltimore Washington International to Buenos Aires: Frequently asked questions

How many airports are there in Buenos Aires?

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.

How much are return flights from Baltimore Washington International to Buenos Aires?

The best price we found for a return flight from Baltimore Washington International to Buenos Aires is $1,136. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Baltimore Washington International to Buenos Aires?

Currently, there are no airlines that fly direct from Baltimore Washington International to Buenos Aires. But we found flights with one or more stops from $1,136.

How many flights are there a week from Baltimore Washington International to Buenos Aires?

As of October 2026, there are no flights flying from Baltimore Washington International to Buenos Aires.

When is the cheapest time to fly from Baltimore Washington International to Buenos Aires?

The cheapest month to fly from Baltimore Washington International to Buenos Aires is usually December.

Which is the cheapest airport to fly into in Buenos Aires?

If you're flying from Baltimore Washington International Airport, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from $1,136.

Which upcoming date is cheapest to fly from Baltimore Washington International Airport to Buenos Aires on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Buenos Aires on Sunday, 6 December 2026.

Can I get a direct flight from Baltimore Washington International Airport to Buenos Aires?

No airlines currently offer direct flights between Baltimore Washington International Airport and Buenos Aires. Most routes have one or more stops.

How can I get the best flight deal from Baltimore Washington International Airport to Buenos Aires?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Buenos Aires?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Buenos Aires?

In October, the average temperature is usually around 18°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 7°C. The rainiest month is March.

Which is the cheapest airline to fly from Baltimore Washington International Airport to Buenos Aires with?

Currently, Copa offers the cheapest flight tickets to Buenos Aires.

Flying from Baltimore Washington International Airport (BWI) to Buenos Aires: what you need to know

Buenos Aires is two hours ahead of Washington DC, where Baltimore Washington International Airport is located. Buenos Aires runs on the UTC-3 timezone.
To avoid rushing for your BWI to Buenos Aires flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.
During popular months such as July, it's wise to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during peak periods in general.
Stopovers are the ideal opportunity to break up your journey and maybe even visit a new city. When browsing for plane tickets from BWI to Buenos Aires, deselect the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:
- Atlanta Hartsfield-Jackson International Airport (ATL)
- Houston George Bush Intercontinental Airport (IAH)
- Miami International Airport (MIA)
BWI is around 40 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 40 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 50 minutes.
Searching for a hotel near BWI? If you're boarding an early flight from Baltimore Washington International Airport to Buenos Aires, these stays will get you from your pillow to the plane in no time:
When it comes to Baltimore Washington International Airport's on-time performance, data shows 77% of flights arrive within the scheduled time frame.

How to find the cheapest flights from Baltimore Washington International Airport (BWI) to Buenos Aires

The best price we've seen for a one-way Baltimore Washington International Airport to Buenos Aires flight is $491. The cheapest price for a return flight is $1,136. Keep in mind fares can change due to availability at the time of booking.
Don't wait until the last moment. You're more likely to land cheap flights from BWI to Buenos Aires if you book in advance. Airlines often offer some excellent early bird deals.
If you're flexible with your trip dates, check out the 'Whole month' search tool. It'll give you the cheapest price across every month when searching for a Baltimore Washington International Airport to Buenos Aires ticket.
Finding a cheap flight from BWI to Buenos Aires is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch as soon as a cheaper option becomes available.
Save on your flight from Baltimore Washington International Airport to Buenos Aires with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Buenos Aires

Buenos Aires Jorge Newbery Airfield (AEP)

Buenos Aires Jorge Newbery Airfield (AEP) is around 8 kilometres from the centre of Buenos Aires. If you're opting for a ride-share or a taxi, the drive takes roughly 25 minutes.
It takes around 40 minutes if you're travelling on public transport.
The last thing you need is a long journey to your hotel if you're arriving on a late flight from Baltimore Washington International Airport to Buenos Aires. Book one of these accommodation options near AEP instead:
Lock in the best possible rate by reserving your ride from Buenos Aires Jorge Newbery Airfield around one week before your flight from BWI to Buenos Aires.

Buenos Aires Ministro Pistarini Intl Airport (EZE)

Buenos Aires Ministro Pistarini Intl Airport (EZE) is roughly 32 kilometres from the centre of Buenos Aires. After your flight from Baltimore Washington International Airport to Buenos Aires, it'll take you around 30 minutes to get to the heart of the city in a ride-share or taxi.
You can expect the trip to take about 1 hour 15 minutes on public transport.
There are some great places to call home for the night near EZE. Unwind and get cosy after your BWI to Buenos Aires flight at any of these well-located options:
Don't pay more than you need to. Reserving your ride one week before your arrival at EZE will help you stay within budget.

Best time to go to Buenos Aires

September is the most popular month for flights from Baltimore Washington International Airport to Buenos Aires. To skip the crowds, head to Buenos Aires in December.
Lock in a Baltimore Washington International Airport to Buenos Aires plane ticket with a departure in January to experience the city during its warmest month. You can expect temperatures to range from 18ºC to 32ºC.
If you want cooler conditions, look for a cheap ticket from BWI to Buenos Aires in July when temperatures average between 5ºC and 16ºC.

More about Buenos Aires

Start your Buenos Aires trip right by choosing the perfect place to stay. After booking your flight from Baltimore Washington International Airport to Buenos Aires, check out our selection of accommodation options including:
All great adventures should include some sightseeing. El Ateneo Grand Splendid, Teatro Colon and Recoleta Cemetery are must-visits when exploring Buenos Aires.

Explore more of Argentina

Rosario is just one of the many places in Argentina waiting to be discovered once you've taken in the sights of Buenos Aires. Around 274 kilometres away to the northwest, its top attractions include Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.
Around 386 kilometres south of Buenos Aires, Mar Del Plata is another essential stop in Argentina. Experience this destination's highlights firsthand at Teatro Colon, Playa Popular and Aquasol Water Park.