HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$1,400+ Cheap flights from Eugene (EUG) to Buenos Aires (BUE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — BUE
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Eugene to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Eugene to Buenos Aires

Cheapest flights from Eugene to Buenos Aires
Explore the most affordable flight options available from Eugene to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/285:00 am
EUG
-
EZE
2 stops21h 20m
Multiple Airlines
Tue 1/1211:55 pm
EZE
-
EUG
2 stops23h 12m
Multiple Airlines
Deal found 7/25$1,400
This Ovago deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2711:55 pm
EUG
-
EZE
2 stops26h 25m
Copa Airlines
Tue 1/1210:05 pm
EZE
-
EUG
2 stops20h 03m
Copa Airlines
Deal found 7/25$1,401
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:30 pm
EUG
-
EZE
2 stops33h 05m
Delta
Tue 1/121:10 pm
EZE
-
EUG
2 stops28h 09m
Delta
Deal found 7/25$1,432
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:20 pm
EUG
-
EZE
2 stops31h 00m
United Airlines
Thu 1/1410:05 pm
EZE
-
EUG
2 stops30h 15m
United Airlines
Deal found 7/25$1,442
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:30 pm
EUG
-
EZE
2 stops57h 05m
Delta
Wed 1/138:05 pm
EZE
-
EUG
2 stops32h 42m
Delta
Deal found 7/25$1,457
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:20 pm
EUG
-
EZE
2 stops31h 00m
United Airlines
Mon 1/1111:55 pm
EZE
-
EUG
2 stops40h 59m
United Airlines
Deal found 7/25$1,467
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2611:55 pm
EUG
-
EZE
2 stops50h 25m
United Airlines
Thu 1/1411:55 pm
EZE
-
EUG
2 stops28h 25m
United Airlines
Deal found 7/25$1,469
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2611:55 pm
EUG
-
EZE
2 stops50h 25m
United Airlines
Wed 1/1311:55 pm
EZE
-
EUG
2 stops40h 59m
United Airlines
Deal found 7/25$1,494
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:56 pm
EUG
-
EZE
2 stops36h 57m
Multiple Airlines
Sat 10/316:15 am
EZE
-
EUG
3 stops34h 26m
Multiple Airlines
Deal found 7/29$1,523
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2512:59 pm
EUG
-
EZE
2 stops37h 21m
United Airlines
Tue 1/1210:05 pm
EZE
-
EUG
2 stops20h 03m
United Airlines
Deal found 7/25$1,527
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:20 pm
EUG
-
EZE
2 stops55h 00m
United Airlines
Thu 1/1411:55 pm
EZE
-
EUG
2 stops28h 25m
United Airlines
Deal found 7/25$1,528

Find flight deals from Eugene to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Eugene (EUG) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,400
(KAYAK)
Provider with most accurate pricing for Eugene-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Eugene-Buenos Aires (BUE) flights.
Search Deals
From Eugene to Buenos Aires (BUE)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Eugene to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Sat 12/26

11:55 pm-7:20 am

2 stops50h 25m

Buenos Aires Ministro Pistarini

Wed 1/13

11:55 pm-11:54 am

2 stops40h 59m

$1,494

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Mon 10/26

12:56 pm-5:53 am

2 stops36h 57m

Buenos Aires Ministro Pistarini

Sat 10/31

6:15 am-12:41 pm

3 stops34h 26m

$1,523

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Wed 12/30

5:20 am-7:20 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Sun 1/10

11:55 pm-11:54 am

2 stops40h 59m

$1,610
Quickest round-trip

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 9/11

6:05 am-9:40 am

2 stops23h 35m

Buenos Aires Ministro Pistarini

Fri 9/18

7:21 pm-4:29 pm

2 stops25h 08m

$1,694

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Sat 12/26

7:20 pm-7:20 am

2 stops31h 00m

Buenos Aires Ministro Pistarini

Sun 1/10

11:55 pm-11:54 am

2 stops40h 59m

$1,696

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Tue 9/8

2:19 pm-8:00 am

2 stops37h 41m

Buenos Aires Ministro Pistarini

Tue 9/15

9:00 pm-9:17 pm

2 stops28h 17m

$1,707

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Wed 12/16

5:30 am-8:15 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Sat 1/9

9:40 pm-8:57 pm

2 stops28h 17m

$2,155

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Sat 8/8

1:59 pm-5:00 am

3 stops35h 01m

Buenos Aires Ministro Pistarini

Tue 8/18

9:00 pm-5:56 pm

2 stops24h 56m

$2,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Eugene-Buenos Aires flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Eugene-Buenos Aires flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Eugene-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Eugene-Buenos Aires flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Eugene-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Eugene to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Eugene with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Eugene to Buenos Aires

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Eugene to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Eugene to Buenos Aires?

    Located just 7.8 mi from the city center, Eugene is the airport most travelers will use when flying to Buenos Aires from Eugene. Booking flights from Eugene (EUG) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 0 different airlines.

  • How long is the flight from Eugene to Buenos Aires?

    For as low as $1,401, Copa Airlines can have you in Buenos Aires from Eugene in 26h 25m. Eugene and Buenos Aires are separated by a distance of 6792 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Eugene to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Eugene to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Eugene to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Eugene to Buenos Aires.

  • Can I find deals for business class flights from Eugene to Buenos Aires?

    Yes. Cheapflights offers flight deals from Eugene to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Eugene to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Ministro Pistarini flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.