Delta One offers lie-flat seats with duvets and lumbar pillows on long-haul routes.
Free Wi-Fi on long-haul routes for SkyMiles members.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $611 (Arajet) |
One-way from | $233 (Delta) |
Popular in | December |
Cheapest in | March |
Average price | $1,436 |
Good round-trip deal | $750 or less |
Good one-way deal | $315 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Sat 3/21
2:18 am-1:02 am
1 stop21h 44m
Buenos Aires Ministro Pistarini
Tue 3/31
5:32 am-4:13 am
1 stop23h 41m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Tue 3/24
2:18 am-1:57 am
1 stop22h 39m
Buenos Aires Ministro Pistarini
Sun 3/29
2:52 pm-4:13 am
1 stop14h 21m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Fri 4/3
9:32 am-4:30 am
1 stop17h 58m
Buenos Aires Ministro Pistarini
Wed 4/29
3:52 am-12:34 am
1 stop21h 42m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Thu 4/16
9:32 am-4:30 am
1 stop17h 58m
Buenos Aires Ministro Pistarini
Fri 4/24
3:52 am-12:34 am
1 stop21h 42m
MiamiBuenos Aires
MIA - EZE
MIAEZE
Miami
Sat 2/28
7:15 am-7:20 am
1 stop22h 05m
Buenos Aires Ministro Pistarini
Sun 3/29
2:25 am-6:25 am
1 stop29h 00m
MiamiBuenos Aires
MIA - EZE
MIAEZE
Miami
Wed 3/4
7:40 am-10:15 am
1 stop24h 35m
Buenos Aires Ministro Pistarini
Fri 3/20
11:00 am-6:55 pm
Nonstop8h 55m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Mon 2/16
12:35 pm-9:00 am
1 stop18h 25m
Buenos Aires Ministro Pistarini
Mon 3/2
8:55 pm-9:08 am
1 stop14h 13m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Mon 2/16
12:23 pm-10:15 am
1 stop19h 52m
Buenos Aires Ministro Pistarini
Tue 3/3
8:55 pm-11:35 am
1 stop16h 40m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Wed 2/18
12:23 pm-10:15 am
1 stop19h 52m
Buenos Aires Ministro Pistarini
Sun 3/1
4:05 am-12:24 am
2 stops22h 19m
Washington, D.C.Buenos Aires
IAD - EZE
IADEZE
Washington, D.C. Dulles Intl
Fri 3/20
2:18 am-1:57 am
1 stop22h 39m
Buenos Aires Ministro Pistarini
Sat 3/28
9:16 am-4:15 am
1 stop19h 59m
Currently, May is the cheapest month in which you can book a flight from USA to Buenos Aires (average of $269). Flying from USA to Buenos Aires in January is currently the most expensive (average of $696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from USA to Buenos Aires in the morning. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their USA to Buenos Aires flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 27% of weekly flights between United States and Buenos Aires have experienced delays in the past year, with the average delay time being 183 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, La Costena have had the lowest number of delays on this route, with just 13% of flights being delayed.
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$394 | Average$1,089 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$415 | Average$789 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$448 | Average$843 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$517 | Average$1,063 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$549 | Average$848 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$618 | Average$1,089 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$668 | Average$830 | FlexibilityNo cancel fee | On-time59% | |
| Cheapest$672 | Average$816 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$684 | Average$1,179 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$733 | Average$1,259 | FlexibilityNo cancel fee | On-timeN/A |