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Costa Rica

$608+ Cheap flights from Duluth (DLH) 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap 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 May 7, 2026.

This United Airlines deal was found by Cheapflights users on 5/4. 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 9/265:00 am
DLH
-
SJO
2 stops15h 37m
United Airlines
Tue 9/291:25 pm
SJO
-
DLH
2 stops20h 19m
United Airlines
Deal found 5/4$619
This KAYAK deal was found by Cheapflights users on 5/6. 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.
Wed 5/276:25 pm
DLH
-
SJO
2 stops26h 12m
Azul
Tue 7/712:30 am
SJO
-
DLH
2 stops16h 04m
Azul
Deal found 5/6$641
This United Airlines deal was found by Cheapflights users on 5/5. 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 10/175:00 am
DLH
-
SJO
2 stops32h 21m
United Airlines
Mon 10/1912:44 pm
SJO
-
DLH
2 stops21h 00m
United Airlines
Deal found 5/5$663
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/136:04 am
DLH
-
SJO
2 stops14h 33m
United Airlines
Wed 11/118:45 am
SJO
-
DLH
2 stops13h 12m
United Airlines
Deal found 5/6$719
This United Airlines deal was found by Cheapflights users on 5/6. 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 10/313:14 pm
DLH
-
LIR
2 stops22h 56m
United Airlines
Wed 11/412:50 pm
LIR
-
DLH
2 stops21h 54m
United Airlines
Deal found 5/6$736
This United Airlines deal was found by Cheapflights users on 5/6. 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 11/145:00 am
DLH
-
SJO
1 stop7h 56m
United Airlines
Sun 11/228:45 am
SJO
-
DLH
2 stops16h 08m
United Airlines
Deal found 5/6$755
This Delta deal was found by Cheapflights users on 5/6. 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 11/145:10 am
DLH
-
SJO
2 stops17h 05m
Delta
Mon 11/237:00 am
SJO
-
DLH
2 stops15h 48m
Delta
Deal found 5/6$798
This KAYAK deal was found by Cheapflights users on 5/6. 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.
Sat 11/145:00 am
DLH
-
SJO
1 stop7h 56m
Multiple Airlines
Mon 11/2312:35 pm
SJO
-
DLH
2 stops12h 18m
Multiple Airlines
Deal found 5/6$891

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 May 7, 2026.

Round-trip from

$619
(United Airlines)

One-way from

$608
(BusinessClass)
From Duluth Intl to Costa Rica
Search Deals
One-way flight from Duluth Intl to Costa Rica
Search Deals

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 May 7, 2026.
Use the filters below to find and compare flights from Duluth to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 9/26

5:00 am-7:37 pm

2 stops15h 37m

San José Juan Santamaria Intl

Tue 9/29

1:25 pm-10:44 am

2 stops20h 19m

$619

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Wed 5/27

6:25 pm-7:37 pm

2 stops26h 12m

San José Juan Santamaria Intl

Tue 7/7

12:30 am-5:34 pm

2 stops16h 04m

$641

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 10/17

5:00 am-12:21 pm

2 stops32h 21m

San José Juan Santamaria Intl

Mon 10/19

12:44 pm-10:44 am

2 stops21h 00m

$663

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Sat 10/31

3:14 pm-11:44 am

2 stops21h 30m

Liberia

Wed 11/4

2:20 pm-10:44 am

2 stops20h 24m

$736
Quickest round-trip

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Wed 5/27

7:03 am-7:37 pm

2 stops13h 34m

San José Juan Santamaria Intl

Wed 7/8

7:55 am-11:23 pm

3 stops14h 28m

$5,668
Cheapest one-way

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 6/20

3:03 pm-10:39 pm

2 stops32h 36m

$608
Quickest one-way

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 6/20

11:48 am-8:20 am

3 stops21h 32m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Sorted by cheapest first

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 15h 37m. There are 2587 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.

See more FAQs

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