Cheap flights from Buenos Aires to Washington, D.C. from £343

Cheap flights from Buenos Aires to Washington, D.C. from £343

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2 stops
Tue, Sep 15
Buenos Aires AEPWashington, D.C. IAD
£343
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2 stops
Tue, Sep 15
Buenos Aires EZEWashington, D.C. IAD
£345
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2 stops
Fri, Sep 18
Buenos Aires EZEWashington, D.C. IAD
£348
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2 stops
Wed, Sep 16
Buenos Aires AEPWashington, D.C. IAD
£348
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1 stop
Wed, Sep 16
Buenos Aires EZEWashington, D.C. BWI
£354
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1 stop
Fri, Sep 18
Buenos Aires EZEWashington, D.C. IAD
£389
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2 stops
Tue, Sep 15 – Mon, Sep 21
Buenos Aires AEPWashington, D.C. IAD
£645
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2 stops
Wed, Sep 16 – Mon, Sep 21
Buenos Aires AEPWashington, D.C. IAD
£650
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1 stop
Wed, Sep 16 – Mon, Sep 21
Buenos Aires EZEWashington, D.C. BWI
£656
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1 stop
Sun, Sep 13 – Thu, Sep 17
Buenos Aires EZEWashington, D.C. BWI
£659
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1 stop
Thu, Sep 17 – Mon, Sep 21
Buenos Aires EZEWashington, D.C. BWI
£663
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1 stop
Sun, Sep 13 – Thu, Sep 17
Buenos Aires EZEWashington, D.C. BWI
£664
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How much do flights to Washington, D.C. cost?

Cheapest one-way trip

£343

Cheapest round-trip

£645

Average round-trip

£680

Includes rare itinerary

Travel hack

Most popular airline

Frontier Airlines

Getting from Washington, D.C. airports to the city center

Fastest options: Metro from DCA. Best value: Metro and bus services from all airports.

Washington, D.C. is served by three major airports, each offering various airport transfers to city center destinations. Ronald Reagan Washington National Airport (DCA) is the closest, located just 6 km south of downtown across the Potomac River. Washington Dulles International Airport (IAD) lies 42 km west of the city center in Virginia. Baltimore/Washington International Thurgood Marshall Airport (BWI) is 50 km northeast in Maryland. Transport options include Metro rail, commuter trains, express buses, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from Ronald Reagan Washington National Airport (DCA) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

15-20 min

$2 – $6; varies by destination and time of day

every 8–12 min (traffic dependent)

fastest and most affordable

15-30 min

$15 – $25; metered; varies by traffic

on-demand 24/7 (traffic dependent)

door-to-door convenience

How to get from Washington Dulles International Airport (IAD) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

45-60 min

$6; flat fare to downtown

every 8–15 min (traffic dependent)

budget travelers

20-30 min

$5; to Wiehle-Reston East Metro

every 20 min (traffic dependent)

connecting to Metro

45-75 min

$65 – $85; metered; varies by traffic

on-demand 24/7 (traffic dependent)

groups with luggage

How to get from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

35-45 min

$8; one-way fare

hourly weekdays (traffic dependent)

commuters to Union Station

30-40 min

$15 – $50; varies by train type and booking time

multiple daily (traffic dependent)

comfort and speed

50-90 min

$90 – $110; metered; varies by traffic

on-demand 24/7 (traffic dependent)

late night arrivals

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • Metro fares vary by distance and time of day; use SmarTrip card for best rates.
  • MARC trains operate primarily on weekdays with limited weekend service.
  • Taxi and ride-hailing prices vary with demand and traffic conditions.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Washington, D.C.

Depart from
Aeroparque Jorge Newbery
Arrive to
Washington Dulles International
Average flights per week
400
Flight distance
Worth visiting
Lincoln Memorial - National Mall

Check-in for a flight from Buenos Aires to Washington, D.C.

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
LATAM AirlinesLANLAYes
Copa AirlinesCMPCMYes
JetSMARTJATJAYes
Sky AirlineSKUH2Yes

Online check-in is not available for these airlines.

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-2°C
February7°C0°C
March13°C3°C
April19°C8°C
May23°C13°C
June29°C18°C
July32°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C5°C
December8°C1°C
Hottest Month
32°C
July
Coldest month
-2°C
January
Sunny days
268
days per year
Snow days
8
days per year

14 day forecast

Sunday
30 Aug
33°C20°C
6 Sep
88%
26°C21°C
Monday
31 Aug
17%
31°C23°C
7 Sep
29°C21°C
Tuesday
1 Sep
20%
36°C24°C
8 Sep
29°C18°C
Wednesday
2 Sep
57%
39°C26°C
9 Sep
13%
32°C21°C
Thursday
3 Sep
63%
37°C23°C
10 Sep
68%
26°C21°C
Friday
4 Sep
43%
34°C24°C
11 Sep
23°C15°C
Saturday
5 Sep
79%
28°C21°C
12 Sep
22°C12°C
Travelers usually depart from Aeroparque Jorge Newbery, or Ministro Pistarini International when they travel from Buenos Aires to Washington, D.C.. Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The most popular airlines for this route are Frontier Airlines, LATAM Airlines, Copa Airlines, JetSMART, and Sky Airline. Buenos Aires and Washington, D.C. have 400 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

Frequently asked questions

What are the most popular routes to and from Buenos Aires?

Travelers frequently search for route combinations, such as Buenos Aires and Puerto Iguazú, El Calafate, Ushuaia, Bariloche, Mendoza, London, Rio de Janeiro, Santiago de Chile, Salta, Córdoba, Asunción, Lima, Florianópolis, São Paulo, Bogotá, Edinburgh, Madrid, San Miguel de Tucumán, Mar del Plata, Mexico City.

What are the most popular routes to and from Washington, D.C.?

Travelers frequently search for route combinations, such as Washington, D.C. and London, Manchester, Atlanta, Los Angeles, Orlando, Edinburgh, Glasgow, Mexico City, Dallas, Aberdeen, Tampa, Toronto, San Francisco, Denver, Boston, Houston, San Salvador, Lima, Miami, Las Vegas.

Which airports are there in Buenos Aires?

Buenos Aires is mainly served by Aeroparque Jorge Newbery. But there are other airports nearby, including Ministro Pistarini International, El Palomar.

What airports are near Washington, D.C.?

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster.

Which airlines fly between Buenos Aires and Washington, D.C.?

Currently, you can fly between Buenos Aires and Washington, D.C. with Frontier Airlines, LATAM Airlines, Copa Airlines, JetSMART, Sky Airline.

When’s the best time to travel between Buenos Aires and Washington, D.C.?

If you don’t have specific dates for your trip between Buenos Aires and Washington, D.C., you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

What flights operate between Buenos Aires and Washington, D.C.?

Traveling between Buenos Aires and Washington, D.C., you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

How many airports are there near Washington, D.C.?

There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster.

What time do nonstop (direct) flights between Buenos Aires and Washington, D.C. depart?

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Buenos Aires, such as morning, afternoon, evening, or night, or select the exact hours for departure.

What time do nonstop (direct) flights between Buenos Aires and Washington, D.C. arrive?

What time do flights between Buenos Aires and Washington, D.C. depart?

What time do flights between Buenos Aires and Washington, D.C. arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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