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$521+ Cheap flights from Duluth (DLH) 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
oct. 16 — oct. 231
jeu. 10/16
jeu. 10/23
1 adult, Economy
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Cheap flight deals from Duluth to Costa Rica

Keep the following information in mind while searching for Duluth to Costa Rica flight deals. Data was last updated septembre 16, 2025.

Round-trip from

$521
(United Airlines)
From Duluth Intl to Costa Rica
Search Deals

Find flight deals from Duluth to Costa Rica

Cheapest flights from Duluth to Costa Rica
Explore the most affordable flight options available from Duluth to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/43:06 pmDLH - SJO
2 stops20h 19mUnited Airlines
mer. 11/1911:28 pmSJO - DLH
2 stops15h 03mUnited Airlines
Deal found 9/15$521
This United Airlines deal was found by Cheapflights users on 9/14. 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.
sam. 12/67:55 amDLH - SJO
2 stops36h 44mUnited Airlines
mar. 12/911:28 pmSJO - DLH
2 stops22h 31mUnited Airlines
Deal found 9/14$662

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth 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 septembre 16, 2025.
Use the filters below to find and compare flights from Duluth to Costa Rica that are best for you.

Fly from

Duluth

Fly to

Costa Rica

Route

Depart

Return

Price

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

mar. 11/4

3:06 pm-11:25 am

2 stops20h 19m

San José Juan Santamaria Intl

mer. 11/19

11:28 pm-2:31 pm

2 stops15h 03m

$521

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

sam. 12/6

7:55 am-8:39 pm

2 stops36h 44m

San José Juan Santamaria Intl

mar. 12/9

11:28 pm-2:22 pm

2 stops14h 54m

$662

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

ven. 3/6

5:10 am-12:55 pm

1 stop7h 45m

Liberia

lun. 3/16

1:20 pm-11:52 pm

1 stop9h 32m

$956

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

ven. 3/6

3:14 pm-4:08 pm

2 stops24h 54m

Liberia

lun. 3/16

11:35 am-10:44 am

2 stops22h 09m

$1,128

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

sam. 3/7

7:53 am-11:55 am

1 stop28h 02m

Liberia

sam. 3/14

11:50 am-10:44 am

2 stops21h 54m

$1,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Duluth to Costa Rica

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

    If you book a flight to Costa Rica from Duluth, you will be flying from Duluth Intl, which is the city’s only airport. Duluth Intl (DLH) is located 5.8 mi from the center of Duluth.

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

    Departing from Duluth to Costa Rica will take you 7h 45m. There are 2533 mi between Duluth and Costa Rica. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth 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 Duluth to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Duluth to Costa Rica (average of $398). Flying from Duluth to Costa Rica in March is currently the most expensive (average of $554). 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

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