Cheap Flights from Eugene to San Juan

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Flight deals from Eugene to San Juan

Looking for a cheap last-minute deal or the best return flight from Eugene Airport to San Juan? If you want to travel next month, return fares start from $1,245. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Eugene to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Eugene to San Juan flights are currently cheapest in January.

Eugene to San Juan: Flight information

The things to know before you go.
Cheapest flight found$769
Cheapest month to flyDecember

Finding cheap flights from Eugene to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Eugene to San Juan is $832. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Eugene to San Juan. But we found flights with one or more stops from $832.
As of April 2026, there are no flights flying from Eugene to San Juan.
The cheapest month to fly from Eugene to San Juan is usually April.
If you're flying from Eugene Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from $832.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Eugene Airport to San Juan on Monday, 27 April 2026.
No airlines currently offer direct flights between Eugene Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 26°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Southwest Airlines offers the cheapest flight tickets to San Juan.

Flying from Mahlon Sweet Field Airport (EUG) to San Juan: what you need to know

  • The timezone in San Juan is UTC-4. The city is three hours ahead of Eugene, where Mahlon Sweet Field Airport is located.

  • Give yourself enough time to get on your EUG to San Juan flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Planning to travel during a peak time like a bank holiday? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • A stopover is the ideal opportunity to break up your journey and maybe even visit a new city. When searching for flight tickets from EUG to San Juan, deselect the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

    • Dallas/Fort Worth International Airport (DFW)

    • Denver International Airport (DEN)

    • Austin-Bergstrom International Airport (AUS)

  • Central Eugene to EUG is around 13 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Mahlon Sweet Field Airport has an excellent on-time performance, reducing the likelihood of delays. Departures from EUG arrive at their destination as scheduled 80.31% of the time.

  • You'll find EUG at 28801 Douglas Dr.

How to find the cheapest flights from Mahlon Sweet Field Airport (EUG) to San Juan

  • $769 is currently the lowest price for a one-way Mahlon Sweet Field Airport to San Juan flight. Return flight tickets start from $832. These prices can change based on demand and availability.

  • Don't wait until the last minute. You're more likely to pick up cheap flights from EUG to San Juan if you book early. Airlines often have some excellent early bird deals.

  • Landing cheap tickets from Mahlon Sweet Field Airport to San Juan is easier if you're flexible with your trip dates. Try using the 'Whole month' function to get the lowest fares throughout the month and walk away with an incredible deal.

  • Save time looking for cheap flights from EUG to San Juan by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

  • Select your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Mahlon Sweet Field Airport to San Juan by 'Best,' 'Cheapest' or 'Fastest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 10 minutes to reach by car. The centre is roughly 8 kilometres away.

  • It typically takes 55 minutes if you're travelling by public transport.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Mahlon Sweet Field Airport to San Juan. Check in to one of these accommodation options near SJU instead:

  • Fast-track your adventure by picking up a Luis Munoz Marin International Airport rental car. Grab your wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's usual tourist stops.

  • Booking your vehicle from Luis Munoz Marin International Airport about two weeks ahead of your flight from EUG to San Juan can help you lock in the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Central San Juan is located around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). After your flight from Mahlon Sweet Field Airport to San Juan has landed and you've made your way out of the airport, expect a drive of about 15 minutes.

  • If you travel by public transport, the journey will take you 1 hour or so.

  • Following your EUG to San Juan flight, tuck yourself in at a hotel close to SIG. These are some great options that'll help you sink into relaxation mode:

Best time to go to San Juan

  • Carefully consider your travel dates before booking your flight from Mahlon Sweet Field Airport to San Juan. The city buzzes in peak season, but rates are typically higher and top attractions can be busy. Plan your trip to San Juan in low season if you prefer a more relaxed vibe.

  • Lock in a Mahlon Sweet Field Airport to San Juan flight ticket with a departure in September to explore the city during its warmest month. You can expect temperatures to range from 23ºC to 33ºC.

  • February sees average temperatures of between 20ºC and 28ºC. Search for a cheap ticket from EUG to San Juan around that time if you like cooler conditions.

More about San Juan

  • Start your San Juan trip right by choosing the perfect place to stay. After booking your flight from Mahlon Sweet Field Airport to San Juan, browse our range of accommodation options including:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are just the start of the leading attractions to put on your San Juan must-do list. Keep the momentum going by heading to Fortaleza Street.

Explore more of Puerto Rico

  • Aguadilla is just one of the many places in Puerto Rico waiting to be explored once you've seen San Juan. Around 113 kilometres away to the west, its best attractions include El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Isabela is another sought-after destination in Puerto Rico and is around 105 kilometres west of San Juan. No journey is complete without seeing Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.