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$183+ Cheap flights from Eugene (EUG) to Costa Rica

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — SJO
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Eugene to Costa Rica

Keep the following information in mind while searching for Eugene to Costa Rica flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(United Airlines)

One-way from

$183
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$342
Provider with most accurate pricing for Eugene-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Eugene-San José Juan Santamaria Intl flights.
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From Eugene to Costa Rica
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One-way flight from Eugene to Costa Rica
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Highest demand for flights based on searches. 27% potential increase in price ($267 potential increase over avg. RT price).
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Cheapest flight prices on average. 19% potential price decrease ($116 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 Costa Rica

Cheapest flights from Eugene to Costa Rica
Explore the most affordable flight options available from Eugene to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amEUG - LIR
2 stops31h 07mAlaska Airlines
Mon 12/87:17 pmLIR - EUG
2 stops22h 05mAlaska Airlines
Deal found 11/11$450
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amEUG - LIR
2 stops31h 07mAlaska Airlines
Tue 12/99:00 amLIR - EUG
2 stops14h 30mAlaska Airlines
Deal found 11/11$451
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amEUG - LIR
2 stops31h 07mAlaska Airlines
Sat 12/66:23 pmLIR - EUG
2 stops22h 59mAlaska Airlines
Deal found 11/11$459
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amEUG - LIR
2 stops31h 07mAlaska Airlines
Fri 12/57:17 pmLIR - EUG
1 stop18h 48mAlaska Airlines
Deal found 11/11$464
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:45 pmEUG - LIR
2 stops46h 22mAlaska Airlines
Mon 12/87:17 pmLIR - EUG
2 stops19h 02mAlaska Airlines
Deal found 11/11$466
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:45 pmEUG - LIR
2 stops46h 22mAlaska Airlines
Tue 12/99:00 amLIR - EUG
2 stops14h 30mAlaska Airlines
Deal found 11/11$467
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:13 pmEUG - LIR
2 stops50h 54mAlaska Airlines
Sat 12/66:23 pmLIR - EUG
2 stops22h 59mAlaska Airlines
Deal found 11/11$475
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:13 pmEUG - LIR
2 stops26h 54mAlaska Airlines
Thu 12/257:40 amLIR - EUG
2 stops18h 42mAlaska Airlines
Deal found 11/11$481
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Thu 12/112:09 pmEUG - SJO
1 stop16h 23mUnited Airlines
Sun 12/219:40 amSJO - EUG
1 stop10h 16mUnited Airlines
Deal found 11/13$484
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amEUG - LIR
2 stops31h 07mAlaska Airlines
Sun 12/77:17 pmLIR - EUG
1 stop18h 48mAlaska Airlines
Deal found 11/11$492
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/126:00 amEUG - SJO
2 stops36h 39mUnited Airlines
Mon 12/229:40 amSJO - EUG
1 stop28h 34mUnited Airlines
Deal found 11/12$537
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:56 pmEUG - SJO
1 stop8h 52mAlaska Airlines
Sat 12/201:30 amSJO - EUG
2 stops39h 48mAlaska Airlines
Deal found 11/13$581

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene to Costa Rica 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 13, 2025.
Use the filters below to find and compare flights from Eugene to Costa Rica that are best for you.

Fly from

Eugene

Fly to

Costa Rica

Route

Depart

Return

Price

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 3/3

2:08 pm-8:32 am

1 stop16h 24m

San José Juan Santamaria Intl

Mon 3/9

8:40 am-10:53 pm

1 stop15h 13m

$298

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 3/3

5:00 am-6:16 pm

2 stops11h 16m

San José Juan Santamaria Intl

Thu 3/5

2:20 pm-12:15 pm

2 stops23h 55m

$387

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 3/3

2:08 pm-8:32 am

1 stop16h 24m

San José Juan Santamaria Intl

Tue 3/10

8:40 am-10:53 pm

1 stop15h 13m

$408

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 3/3

4:01 pm-12:07 am

2 stops30h 06m

San José Juan Santamaria Intl

Mon 3/9

1:28 am-11:58 pm

2 stops23h 30m

$440

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Tue 3/10

5:20 am-4:58 pm

2 stops10h 38m

Liberia

Thu 3/12

8:05 am-12:15 pm

2 stops29h 10m

$457

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Tue 2/24

7:00 am-5:58 pm

1 stop8h 58m

Liberia

Wed 3/4

11:20 am-11:58 pm

2 stops14h 38m

$464

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Wed 12/3

9:00 am-6:07 pm

2 stops31h 07m

Liberia

Fri 12/5

7:17 pm-12:05 pm

1 stop18h 48m

$464

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Wed 12/3

9:00 am-6:07 pm

2 stops31h 07m

Liberia

Tue 12/9

9:00 am-10:07 pm

1 stop15h 07m

$464

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Tue 12/2

5:45 pm-6:07 pm

2 stops46h 22m

Liberia

Tue 12/9

9:00 am-9:30 pm

2 stops14h 30m

$467

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Tue 12/2

1:13 pm-6:07 pm

2 stops50h 54m

Liberia

Sat 12/6

6:23 pm-3:22 pm

2 stops22h 59m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 18 results
1
2

Best time to book a flight from Eugene to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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 Costa Rica

What is the cheapest month to book a flight from Eugene to Costa Rica?

Currently, November is the cheapest month in which you can book a flight from Eugene to Costa Rica (average of $219). Flying from Eugene to Costa Rica in June is currently the most expensive (average of $546). 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.

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

Find hourly flight availability from Eugene to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

It’s optimal to fly from Eugene to Costa Rica at noon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated November 13, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines and United Airlines from Eugene to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,281 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,015 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Eugene to Costa Rica. 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 Costa Rica?

    Eugene (EUG) is the airport you will fly out of if you book a flight from Eugene to Costa Rica. It is only a 7.8 mi journey to Eugene (EUG) from Eugene’s city center.

  • How long is the flight from Eugene to Costa Rica?

    There are many flights that can get you from Eugene to Costa Rica in 10h 38m. Fly via United Airlines or Alaska Airlines to get the fastest option. There are 3220 mi between Eugene and Costa Rica. This flight may include one or multiple stops.

  • Can I find deals for flights from Eugene to Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Eugene to Costa Rica?

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

  • Can I find deals for business class flights from Eugene to Costa Rica?

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

  • What is the cheapest month to book a flight from Eugene to Costa Rica?

    Currently, November is the cheapest month in which you can book a flight from Eugene to Costa Rica (average of $219). Flying from Eugene to Costa Rica in June is currently the most expensive (average of $546). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Eugene to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Eugene to Costa Rica

Discover the top 2 airlines that operate flights from Eugene to Costa Rica. 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$297Average$668FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$301Average$597FlexibilityNo cancel feeOn-time75%

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