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$369+ Cheap flights from Eugene (EUG) to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — SJU
Dec 11 — Dec 182
Thu 12/11
Thu 12/18
2 travelers, Economy
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Cheap flight deals from Eugene to Puerto Rico

Keep the following information in mind while searching for Eugene to Puerto Rico flight deals. Data was last updated November 11, 2025.

Round-trip from

$431
(United Airlines)

One-way from

$369

Popular in

February

Cheapest in

January

Average price

$585
From Eugene to Puerto Rico
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One-way flight from Eugene to Puerto Rico
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Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Eugene to Puerto Rico

Cheapest flights from Eugene to Puerto Rico
Explore the most affordable flight options available from Eugene to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 11, 2025.

This Delta deal was found by Cheapflights users on 11/10. 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.
Tue 12/95:29 pmEUG - SJU
2 stops15h 29mDelta
Tue 12/167:00 amSJU - EUG
2 stops20h 11mDelta
Deal found 11/10$431
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/95:00 amEUG - SJU
2 stops13h 22mUnited Airlines
Mon 12/152:05 amSJU - EUG
2 stops15h 02mUnited Airlines
Deal found 11/9$512
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:25 amEUG - SJU
2 stops14h 14mAmerican Airlines
Wed 12/2410:25 amSJU - EUG
2 stops15h 45mAmerican Airlines
Deal found 11/9$728
This Delta deal was found by Cheapflights users on 11/10. 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.
Tue 11/115:29 pmEUG - SJU
2 stops15h 27mDelta
Tue 11/181:57 pmSJU - EUG
2 stops13h 16mDelta
Deal found 11/10$730
This United Airlines deal was found by Cheapflights users on 11/10. 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 11/146:52 pmEUG - SJU
2 stops16h 48mUnited Airlines
Sat 11/152:05 amSJU - EUG
2 stops15h 02mUnited Airlines
Deal found 11/10$760
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 11/116:52 pmEUG - SJU
2 stops14h 25mUnited Airlines
Mon 11/172:05 amSJU - EUG
3 stops19h 45mUnited Airlines
Deal found 11/10$820

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene to Puerto Rico 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 November 11, 2025.
Use the filters below to find and compare flights from Eugene to Puerto Rico that are best for you.

Fly from

Eugene

Fly to

Puerto Rico

Route

Depart

Return

Price

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Tue 2/24

5:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:10 am-9:38 pm

2 stops17h 28m

$431

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Tue 12/9

5:29 pm-12:58 pm

2 stops15h 29m

San Juan Luis Munoz Marin Intl

Tue 12/16

7:00 am-11:11 pm

2 stops20h 11m

$431

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Wed 5/6

1:12 pm-4:00 am

2 stops11h 48m

San Juan Luis Munoz Marin Intl

Wed 5/13

11:45 am-11:20 pm

2 stops14h 35m

$431

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Tue 12/9

5:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 12/16

8:30 am-10:59 pm

2 stops18h 29m

$431

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Wed 5/6

5:00 am-8:38 pm

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Wed 5/13

1:40 pm-9:38 pm

1 stop10h 58m

$495

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Fri 1/16

6:15 am-12:40 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Sat 1/24

5:30 am-7:35 pm

2 stops18h 05m

$508

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Tue 3/10

5:37 am-3:55 am

2 stops19h 18m

San Juan Luis Munoz Marin Intl

Wed 3/11

9:26 am-12:51 pm

2 stops30h 25m

$541

EugeneSan Juan

EUG - SJU

EUGSJU

Eugene

Mon 12/15

5:00 am-6:25 pm

1 stop9h 25m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Best time to book a flight from Eugene to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest time of day to fly from EUG to PR?

Find hourly flight availability from Eugene to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 11, 2025.

When flying from Eugene to Puerto Rico, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the morning.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated November 11, 2025.
See what other customers who have flown with United Airlines and American Airlines from Eugene to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,013 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,013 reviews
United Airlines
7.4
Good
9,013 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,013 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Eugene to Puerto Rico. 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 Puerto Rico?

    Located just 7.8 mi from the city center, Eugene (EUG) is the airport most travelers will use when flying to Puerto Rico from Eugene.

  • How long is the flight from Eugene to Puerto Rico?

    There are many flights that can get you from Eugene to Puerto Rico in 9h 25m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. There are 3723 mi between Eugene and Puerto Rico. This flight may include one or multiple stops.

  • Can I find deals for flights from Eugene to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Eugene to Puerto Rico?

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

  • Can I find deals for business class flights from Eugene to Puerto Rico?

    Yes. Cheapflights offers flight deals from Eugene to Puerto Rico 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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Alternative routes for Eugene to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Portland to Aguadilla flights
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Top 2 airlines flying from Eugene to Puerto Rico

Discover the top 2 airlines that operate flights from Eugene to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$394Average$668FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$544Average$715FlexibilityNo cancel feeOn-time71%

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