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$494+ Cheap flights from Monroe (MLU) to Costa Rica

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SJO
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Cheap flight deals from Monroe to Costa Rica

Cheapest flights from Monroe to Costa Rica
Explore the most affordable flight options available from Monroe to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.

This American Airlines deal was found by Cheapflights users on 4/23. 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 5/236:48 pm
MLU
-
SJO
2 stops19h 11m
American Airlines
Fri 5/2911:59 pm
SJO
-
MLU
1 stop8h 49m
American Airlines
Deal found 4/23$494
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/236:48 pm
MLU
-
SJO
2 stops19h 11m
American Airlines
Sat 5/303:08 pm
SJO
-
MLU
2 stops21h 04m
American Airlines
Deal found 4/23$585
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/610:10 am
MLU
-
SJO
1 stop12h 26m
American Airlines
Tue 5/122:08 pm
SJO
-
MLU
1 stop7h 25m
American Airlines
Deal found 4/23$608
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/246:48 pm
MLU
-
SJO
2 stops19h 21m
American Airlines
Sat 5/3012:50 pm
SJO
-
MLU
2 stops23h 22m
American Airlines
Deal found 4/23$651

Cheapflights Fare Finder

 
Customize your flight search to find flights from Monroe 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 April 24, 2026.
Use the filters below to find and compare flights from Monroe to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MonroeSan José

MLU - SJO

MLUSJO

Monroe Huenefeld

Sat 5/23

6:48 pm-12:59 pm

2 stops19h 11m

San José Juan Santamaria Intl

Fri 5/29

11:59 pm-9:48 am

1 stop8h 49m

$494

MonroeSan José

MLU - SJO

MLUSJO

Monroe Huenefeld

Sat 5/23

6:48 pm-12:59 pm

2 stops19h 11m

San José Juan Santamaria Intl

Sat 5/30

3:08 pm-1:12 pm

2 stops21h 04m

$585
Quickest round-trip

MonroeSan José

MLU - SJO

MLUSJO

Monroe Huenefeld

Wed 5/6

10:10 am-9:36 pm

1 stop12h 26m

San José Juan Santamaria Intl

Tue 5/12

2:08 pm-10:33 pm

1 stop7h 25m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Sorted by cheapest first

Best time to book a flight from Monroe to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Monroe 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 Monroe to Costa Rica
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    If you book a flight to Costa Rica from Monroe, you will be flying from Huenefeld, which is the city’s only airport. Monroe Huenefeld (MLU) is located 4.4 mi from the center of Monroe.

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

    There are many flights that can get you from Monroe to Costa Rica in 19h 11m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 1633 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Monroe 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.

See more FAQs

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