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Costa Rica

$239+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — SJO
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheap 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 March 30, 2026.

This American Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 4/202:49 pm
EUG
-
SJO
2 stops19h 46m
American Airlines
Tue 5/52:08 pm
SJO
-
EUG
2 stops24h 18m
American Airlines
Deal found 3/26$379
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/146:51 pm
EUG
-
SJO
2 stops14h 20m
United Airlines
Tue 4/288:45 am
SJO
-
EUG
1 stop15h 14m
United Airlines
Deal found 3/29$400
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 5/57:03 am
EUG
-
SJO
1 stop15h 42m
Alaska Airlines
Wed 5/612:55 am
SJO
-
EUG
2 stops24h 04m
Alaska Airlines
Deal found 3/29$405
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/196:51 pm
EUG
-
SJO
1 stop11h 24m
United Airlines
Sat 5/28:45 am
SJO
-
EUG
1 stop15h 14m
United Airlines
Deal found 3/29$433
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/287:03 am
EUG
-
SJO
1 stop15h 42m
Alaska Airlines
Sun 5/1012:55 am
SJO
-
EUG
1 stop22h 08m
Alaska Airlines
Deal found 3/27$435
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/117:13 pm
EUG
-
SJO
1 stop11h 02m
United Airlines
Mon 5/188:45 am
SJO
-
EUG
1 stop15h 14m
United Airlines
Deal found 3/27$436
This United Airlines deal was found by Cheapflights users on 3/25. 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 10/265:00 am
EUG
-
LIR
1 stop9h 08m
United Airlines
Fri 10/301:20 pm
LIR
-
EUG
2 stops23h 34m
United Airlines
Deal found 3/25$585
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/232:49 pm
EUG
-
LIR
2 stops19h 39m
American Airlines
Wed 5/1312:30 pm
LIR
-
EUG
2 stops25h 56m
American Airlines
Deal found 3/26$605
This KAYAK deal was found by Cheapflights users on 3/25. 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.
Mon 10/265:00 am
EUG
-
LIR
1 stop9h 08m
Multiple Airlines
Fri 10/3011:50 am
LIR
-
EUG
1 stop26h 18m
Multiple Airlines
Deal found 3/25$688
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 5/114:02 pm
EUG
-
LIR
2 stops13h 18m
Alaska Airlines
Wed 5/1311:20 am
LIR
-
EUG
2 stops23h 21m
Alaska Airlines
Deal found 3/27$690
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/152:00 pm
EUG
-
LIR
2 stops23h 25m
United Airlines
Thu 4/2311:49 am
LIR
-
EUG
1 stop10h 18m
United Airlines
Deal found 3/25$695
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/115:00 am
EUG
-
LIR
1 stop9h 19m
United Airlines
Wed 5/131:20 pm
LIR
-
EUG
2 stops23h 30m
United Airlines
Deal found 3/29$705

Find 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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(American Airlines)

One-way from

$239
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$578
Provider with most accurate pricing for Eugene-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Eugene-San José Juan Santamaria Intl flights.
Search Deals
From Eugene to Costa Rica
Search Deals
One-way flight from Eugene to Costa Rica
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 30, 2026.
Use the filters below to find and compare flights from Eugene to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 5/5

7:03 am-11:45 pm

1 stop15h 42m

San José Juan Santamaria Intl

Wed 5/6

12:55 am-11:59 pm

2 stops24h 04m

$405
Quickest round-trip

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 4/21

6:51 pm-7:15 am

1 stop11h 24m

San José Juan Santamaria Intl

Tue 4/28

8:45 am-10:59 pm

1 stop15h 14m

$470

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Sun 5/3

8:38 pm-11:45 pm

2 stops26h 07m

San José Juan Santamaria Intl

Sun 5/10

12:55 am-12:04 pm

1 stop12h 09m

$485

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Mon 4/20

6:51 pm-7:15 am

1 stop11h 24m

San José Juan Santamaria Intl

Tue 5/5

8:45 am-10:59 pm

1 stop15h 14m

$517

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Mon 6/1

5:00 am-10:11 am

2 stops28h 11m

San José Juan Santamaria Intl

Mon 6/15

12:30 am-10:59 pm

2 stops47h 29m

$518

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Thu 4/23

2:49 pm-11:28 am

2 stops19h 39m

Liberia

Wed 5/13

12:30 pm-1:26 pm

2 stops25h 56m

$605

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Mon 5/11

4:02 pm-6:20 am

2 stops13h 18m

Liberia

Wed 5/13

11:20 am-9:41 am

2 stops23h 21m

$690

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Mon 5/11

5:00 am-12:10 pm

2 stops30h 10m

Liberia

Wed 5/13

1:20 pm-11:50 am

2 stops23h 30m

$695

EugeneLiberia

EUG - LIR

EUGLIR

Eugene

Wed 4/15

2:00 pm-2:25 pm

2 stops23h 25m

Liberia

Thu 4/23

11:49 am-9:07 pm

1 stop10h 18m

$695
Cheapest one-way

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Mon 7/27

1:59 pm-10:11 am

2 stops19h 12m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 19 resultsSorted by cheapest first
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 $483). 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 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 March 30, 2026.
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
7.9
Good
12,140 reviews

Crew

8.5

Food

7.0

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,140 reviews
Alaska Airlines
7.9
Good
12,140 reviews

Crew

8.5

Food

7.0

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,515 reviews
Alaska Airlines
7.9
Good
12,140 reviews

Crew

8.5

Food

7.0

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 15h 42m. Fly via Alaska Airlines, American Airlines, or United Airlines to get the fastest option. There are 3308 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 $483). 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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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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$297Average$538FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$301Average$571FlexibilityNo cancel feeOn-time75%

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