Cheap Flights from Washington, D.C. to Buenos Aires
No deal from Washington, D.C. to Buenos Aires has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Washington, D.C. to Buenos Aires, the lowest round-trip fare we recorded was $635, in October. The typical fare was $671. October was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $635 on COPA, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/washington-dc">from Washington, D.C.</a>, <a href="/to/buenos-aires">to Buenos Aires</a>, or the return direction <a href="/from/buenos-aires/to/washington-dc">Buenos Aires to Washington, D.C.</a>.
Latest price we saw: Washington, D.C. to Buenos Aires
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Washington, D.C. (IAD) to Buenos Aires (EZE) | $635 | 6.1¢ | Nov 16 – Nov 23 | COPA | Oct 17 | Check price |
Price history: Washington, D.C. to Buenos Aires
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $635 | $638 | 12 |
| Sep 2026 | $705 | $708 | 20 |
| Aug 2026 | $666 | $666 | 2 |
Frequently asked questions
How many flight deals from Washington, D.C. to Buenos Aires are on Sparkflights right now?
There are 0 verified deals from Washington, D.C. to Buenos Aires on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Washington, D.C. to Buenos Aires?
The lowest fare we've recorded from Washington, D.C. to Buenos Aires is $635, based on 34 price observations over 3 months.
How much does a flight from Washington, D.C. to Buenos Aires cost?
The typical round-trip fare we observed from Washington, D.C. to Buenos Aires is $671, against a recorded low of $635. These are observations, not quotes.
When is the cheapest month to fly Washington, D.C. to Buenos Aires?
October was the cheapest month we observed from Washington, D.C. to Buenos Aires and September the dearest, over 3 months of data.
What is the current price from Washington, D.C. to Buenos Aires?
The most recent fare our sweep saw from Washington, D.C. to Buenos Aires is $635, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.