$277+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — SJU
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Find cheap flights from Eugene to Puerto Rico with Cheapflights
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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
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Cheapest flights from Eugene to Puerto RicoExplore 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 July 9, 2026.
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 July 9, 2026.
This Delta deal was found by Cheapflights users on 7/7. 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 9/234:45 pm
EUG
- SJU
2 stops16h 18m
Delta
Tue 9/297:30 am
SJU
- EUG
2 stops19h 29m
Delta
Deal found 7/7![Delta logo]()
$542
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:40 pm
EUG
- SJU
2 stops18h 20m
Southwest
Tue 8/1111:50 am
SJU
- EUG
2 stops13h 40m
Southwest
Deal found 7/7![Southwest logo]()
$574
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 8/41:39 pm
EUG
- SJU
2 stops17h 04m
American Airlines
Mon 8/1012:55 am
SJU
- EUG
2 stops14h 23m
American Airlines
Deal found 7/5![American Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/314:11 pm
EUG
- SJU
2 stops17h 43m
United Airlines
Wed 9/27:00 am
SJU
- EUG
2 stops13h 56m
United Airlines
Deal found 7/7![United Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/12:19 pm
EUG
- SJU
2 stops18h 38m
United Airlines
Fri 9/43:56 pm
SJU
- EUG
2 stops23h 59m
United Airlines
Deal found 7/8![United Airlines logo]()
$692
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Sun 8/28:18 am
EUG
- SJU
2 stops17h 21m
American Airlines
Fri 8/712:55 am
SJU
- EUG
2 stops14h 23m
American Airlines
Deal found 7/4![American Airlines logo]()
$704
This American Airlines deal was found by Cheapflights users on 7/9. 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 12/103:25 pm
EUG
- SJU
2 stops15h 10m
American Airlines
Sun 12/208:00 am
SJU
- EUG
2 stops16h 52m
American Airlines
Deal found 7/9![American Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/45:00 am
EUG
- SJU
1 stop9h 38m
United Airlines
Mon 8/101:00 am
SJU
- EUG
2 stops15h 10m
United Airlines
Deal found 7/5![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/231:19 pm
EUG
- SJU
1 stop22h 25m
United Airlines
Tue 9/293:56 pm
SJU
- EUG
1 stop22h 54m
United Airlines
Deal found 7/7![United Airlines logo]()
$755
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 7/181:39 pm
EUG
- SJU
2 stops12h 00m
American Airlines
Fri 7/3110:35 am
SJU
- EUG
2 stops13h 07m
American Airlines
Deal found 7/5![American Airlines logo]()
$761
Best flights from Eugene to Puerto RicoDiscover carefully curated flight deals from Eugene to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from Eugene to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This United Airlines deal was found by Cheapflights users on 7/6. 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 9/235:00 am
EUG
- SJU
3 stops15h 50m
United Airlines
Mon 9/281:00 am
SJU
- EUG
2 stops15h 12m
United Airlines
Deal found 7/6![United Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 7/8. 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 9/234:45 pm
EUG
- SJU
2 stops16h 18m
Delta
Tue 9/297:30 am
SJU
- EUG
2 stops19h 29m
Delta
Deal found 7/8![Delta logo]()
$542
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:40 pm
EUG
- SJU
2 stops18h 20m
Southwest
Tue 8/1111:50 am
SJU
- EUG
2 stops13h 40m
Southwest
Deal found 7/7![Southwest logo]()
$574
This American Airlines deal was found by Cheapflights users on 7/9. 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 12/103:25 pm
EUG
- SJU
2 stops15h 10m
American Airlines
Sun 12/208:00 am
SJU
- EUG
2 stops16h 52m
American Airlines
Deal found 7/9![American Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Mon 8/314:11 pm
EUG
- SJU
2 stops17h 43m
United Airlines
Wed 9/27:00 am
SJU
- EUG
2 stops13h 56m
United Airlines
Deal found 7/6![United Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/12:19 pm
EUG
- SJU
2 stops18h 38m
United Airlines
Fri 9/43:56 pm
SJU
- EUG
1 stop24h 14m
United Airlines
Deal found 7/8![United Airlines logo]()
$711
Last-minute flights from Eugene to Puerto RicoDiscover last-minute flight deals from Eugene to Puerto Rico. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to Puerto Rico. Data last updated July 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 7/181:39 pm
EUG
- SJU
2 stops12h 00m
American Airlines
Fri 7/3110:35 am
SJU
- EUG
2 stops13h 07m
American Airlines
Deal found 7/5![American Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/181:07 pm
EUG
- SJU
2 stops13h 22m
United Airlines
Fri 7/317:40 am
SJU
- EUG
1 stop31h 04m
United Airlines
Deal found 7/8![United Airlines logo]()
$1,034
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Sun 8/28:18 am
EUG
- SJU
2 stops17h 21m
American Airlines
Fri 8/712:55 am
SJU
- EUG
2 stops14h 23m
American Airlines
Deal found 7/4![American Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/25:00 am
EUG
- SJU
1 stop9h 38m
United Airlines
Fri 8/72:05 am
SJU
- EUG
2 stops12h 56m
United Airlines
Deal found 7/4![United Airlines logo]()
$831
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:40 pm
EUG
- SJU
2 stops18h 20m
Southwest
Tue 8/1111:50 am
SJU
- EUG
2 stops13h 40m
Southwest
Deal found 7/7![Southwest logo]()
$574
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 8/41:39 pm
EUG
- SJU
2 stops17h 04m
American Airlines
Mon 8/1012:55 am
SJU
- EUG
2 stops14h 23m
American Airlines
Deal found 7/5![American Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/45:00 am
EUG
- SJU
1 stop9h 38m
United Airlines
Mon 8/101:00 am
SJU
- EUG
2 stops15h 10m
United Airlines
Deal found 7/5![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/101:59 pm
EUG
- SJU
2 stops12h 30m
United Airlines
Tue 8/181:00 am
SJU
- EUG
2 stops15h 10m
United Airlines
Deal found 7/7![United Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/314:11 pm
EUG
- SJU
2 stops17h 43m
United Airlines
Wed 9/27:00 am
SJU
- EUG
2 stops13h 56m
United Airlines
Deal found 7/7![United Airlines logo]()
$632
One-way flights from Eugene to Puerto RicoSearch for one-way flight options from Eugene to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from Eugene to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Delta deal was found by Cheapflights users on 7/5. 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 8/44:43 pm
EUG
- SJU
2 stops16h 25m
Delta
Deal found 7/5![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:40 pm
EUG
- SJU
2 stops15h 55m
Southwest
Deal found 7/8![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 12/125:30 pm
EUG
- SJU
2 stops16h 30m
Delta
Deal found 7/8![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/45:00 am
EUG
- SJU
1 stop9h 38m
United Airlines
Deal found 7/5![United Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/133:50 pm
EUG
- SJU
3 stops22h 42m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 7/7. 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 12/135:00 am
EUG
- SJU
1 stop9h 25m
United Airlines
Deal found 7/7![United Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 7/8. 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 12/125:00 am
EUG
- SJU
1 stop9h 25m
United Airlines
Deal found 7/8![United Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:30 am
EUG
- SJU
3 stops29h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$617
Find 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 July 9, 2026.
Round-trip from | $542 (United Airlines) |
|---|---|
One-way from | $277 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $783 |
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 July 9, 2026.
Use the filters below to find and compare flights from Eugene to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Wed 9/23
5:00 am-11:50 pm
3 stops15h 50m
San Juan Luis Munoz Marin Intl
Mon 9/28
1:00 am-1:12 pm
2 stops15h 12m
$542
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Wed 9/23
4:45 pm-12:03 pm
2 stops16h 18m
San Juan Luis Munoz Marin Intl
Tue 9/29
7:30 am-11:59 pm
2 stops19h 29m
$542
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Tue 8/4
1:40 pm-11:00 am
2 stops18h 20m
San Juan Luis Munoz Marin Intl
Tue 8/11
11:50 am-10:30 pm
2 stops13h 40m
$574
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Mon 8/31
4:11 pm-12:54 pm
2 stops17h 43m
San Juan Luis Munoz Marin Intl
Wed 9/2
7:00 am-5:56 pm
2 stops13h 56m
$632
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Tue 9/1
2:19 pm-11:57 am
2 stops18h 38m
San Juan Luis Munoz Marin Intl
Fri 9/4
3:56 pm-1:10 pm
1 stop24h 14m
$711
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Thu 12/10
3:25 pm-10:35 am
2 stops15h 10m
San Juan Luis Munoz Marin Intl
Sun 12/20
8:00 am-8:52 pm
2 stops16h 52m
$724
Cheapest one-way
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Tue 8/4
4:43 pm-12:08 pm
2 stops16h 25m
$277
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Sun 12/13
5:40 pm-1:35 pm
2 stops15h 55m
$303
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Sat 12/12
1:20 pm-10:30 am
2 stops17h 10m
$303
EugeneSan Juan
EUG - SJU
EUGSJU
Eugene
Sat 12/12
5:30 pm-2:00 pm
2 stops16h 30m
$364
Showing 1-10 of 14 resultsSorted by cheapest first
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.
EUG-SJU
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
EUG-PR0
EUG-SJU
What is the cheapest month to book a flight from Eugene to Puerto Rico?
Currently, January is the cheapest month in which you can book a flight from Eugene to Puerto Rico (average of $431). Flying from Eugene to Puerto Rico in September is currently the most expensive (average of $773). 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.
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 July 9, 2026.
See what other customers who have flown with Southwest and United 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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.
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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.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Eugene to Puerto Rico by cabin class
Find flights from Eugene to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Eugene and Puerto Rico flights
Browse other Eugene and Puerto Rico flight options. Last updated on July 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$438 | Average$590 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$459 | Average$668 | FlexibilityNo cancel fee | On-time69% |