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$1,389+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — BUE
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,491
(United Airlines)
Provider with most accurate pricing for Eugene-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Eugene-Buenos Aires (BUE) flights.
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From Eugene to Buenos Aires (BUE)
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Find 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 January 15, 2026.

This KAYAK deal was found by Cheapflights users on 1/15. 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.
Wed 2/46:00 am
EUG
-
EZE
2 stops22h 20m
Multiple Airlines
Wed 2/1811:55 pm
EZE
-
EUG
2 stops26h 06m
Multiple Airlines
Deal found 1/15$1,389
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Fri 2/66:00 am
EUG
-
EZE
2 stops20h 20m
Azul
Wed 2/1810:05 pm
EZE
-
EUG
2 stops27h 56m
Azul
Deal found 1/15$1,395
This United Airlines deal was found by Cheapflights users on 1/15. 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 3/65:00 am
EUG
-
EZE
2 stops21h 20m
United Airlines
Sun 3/159:05 pm
EZE
-
EUG
2 stops28h 02m
United Airlines
Deal found 1/15$1,491
This Expedia deal was found by Cheapflights users on 1/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:08 am
EUG
-
EZE
3 stops38h 57m
Multiple Airlines
Wed 2/188:05 am
EZE
-
EUG
2 stops32h 14m
Multiple Airlines
Deal found 1/15$2,112
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Wed 2/46:00 am
EUG
-
EZE
2 stops20h 20m
United Airlines
Wed 2/1811:55 pm
EZE
-
EUG
3 stops28h 13m
United Airlines
Deal found 1/15$2,973

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 January 15, 2026.
Use the filters below to find and compare flights from Eugene to Buenos Aires that are best for you.

Fly from

Eugene

Fly to

Buenos Aires

Route

Depart

Return

Price

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Wed 2/4

6:00 am-9:20 am

2 stops22h 20m

Buenos Aires Ministro Pistarini

Wed 2/18

11:55 pm-9:01 pm

2 stops26h 06m

$1,389

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 2/6

6:00 am-7:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Wed 2/18

10:05 pm-9:01 pm

2 stops27h 56m

$1,395

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 3/6

5:00 am-7:20 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Sun 3/15

9:05 pm-9:07 pm

2 stops28h 02m

$1,491

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 3/6

5:10 am-8:20 am

2 stops22h 10m

Buenos Aires Ministro Pistarini

Sun 3/15

10:25 pm-11:15 pm

2 stops28h 50m

$1,491

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 2/6

7:08 am-3:05 am

3 stops38h 57m

Buenos Aires Ministro Pistarini

Wed 2/18

8:05 am-11:19 am

2 stops32h 14m

$2,112

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Wed 2/4

6:00 am-7:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Wed 2/18

11:55 pm-11:08 pm

3 stops28h 13m

$2,973

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Eugene to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Eugene to Buenos Aires in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Eugene-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Eugene-Buenos Aires flight deals on Cheapflights vs. eDreams >95% 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 eDreams the most. eDreams 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 $1,395, Azul can have you in Buenos Aires from Eugene in 20h 20m. 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

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