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$599+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Duluth to Costa Rica

Best flights from Duluth to Costa Rica
Discover carefully curated flight deals from Duluth to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 1/173:05 pmDLH - SJO
1 stop21h 51mUnited Airlines
Wed 1/212:20 pmSJO - DLH
2 stops31h 39mUnited Airlines
Deal found 12/9$599
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:00 amDLH - LIR
1 stop8h 30mDelta
Sat 3/141:20 pmLIR - DLH
1 stop8h 27mDelta
Deal found 12/11$1,291
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 1/173:05 pmDLH - SJO
1 stop21h 51mUnited Airlines
Tue 1/202:20 pmSJO - DLH
2 stops24h 10mUnited Airlines
Deal found 12/10$664
This United Airlines deal was found by Cheapflights users on 12/10. 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 1/63:05 pmDLH - SJO
2 stops28h 48mUnited Airlines
Tue 1/132:20 pmSJO - DLH
2 stops24h 10mUnited Airlines
Deal found 12/10$713
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 3/77:58 amDLH - LIR
2 stops26h 26mUnited Airlines
Sat 3/1411:35 amLIR - DLH
2 stops22h 08mUnited Airlines
Deal found 12/10$735
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:20 amDLH - SJO
1 stop25h 36mUnited Airlines
Sat 3/146:30 amSJO - DLH
2 stops27h 13mUnited Airlines
Deal found 12/11$857
This United Airlines deal was found by Cheapflights users on 12/10. 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 3/67:58 amDLH - LIR
2 stops34h 39mUnited Airlines
Mon 3/161:01 pmLIR - DLH
1 stop20h 42mUnited Airlines
Deal found 12/10$915

Find 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$599
(United Airlines)
Provider with most accurate pricing for Duluth Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-San José Juan Santamaria Intl flights.
Search Deals
From Duluth Intl to Costa Rica
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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 December 12, 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

Sat 1/17

3:05 pm-12:56 pm

1 stop21h 51m

San José Juan Santamaria Intl

Wed 1/21

2:20 pm-9:59 pm

2 stops31h 39m

$599

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 1/17

3:05 pm-12:56 pm

1 stop21h 51m

San José Juan Santamaria Intl

Tue 1/20

2:20 pm-2:30 pm

2 stops24h 10m

$664

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Tue 1/6

3:05 pm-7:53 pm

2 stops28h 48m

San José Juan Santamaria Intl

Tue 1/13

2:20 pm-2:30 pm

2 stops24h 10m

$713

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Sat 3/7

7:58 am-10:24 am

2 stops26h 26m

Liberia

Sat 3/14

11:35 am-10:43 am

2 stops22h 08m

$735

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sun 3/8

11:20 am-11:56 am

1 stop25h 36m

San José Juan Santamaria Intl

Sat 3/14

6:30 am-10:43 am

2 stops27h 13m

$857

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Fri 3/6

7:58 am-6:37 pm

2 stops34h 39m

Liberia

Mon 3/16

1:01 pm-10:43 am

1 stop20h 42m

$915

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Sat 3/7

5:00 am-1:30 pm

1 stop8h 30m

Liberia

Sat 3/14

1:20 pm-10:47 pm

1 stop8h 27m

$1,291

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 21h 51m. There are 2587 mi between Duluth and Costa Rica.

  • 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.

See more FAQs

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