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Costa Rica

$645+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
Jul 26 — Aug 21
Sun 7/26
Sun 8/2
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 June 26, 2026.

This United Airlines deal was found by Cheapflights users on 6/22. 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 11/26:23 pm
DLH
-
SJO
2 stops26h 16m
United Airlines
Thu 11/52:25 pm
SJO
-
DLH
2 stops24h 08m
United Airlines
Deal found 6/22$645
This United Airlines deal was found by Cheapflights users on 6/24. 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 10/243:10 pm
DLH
-
SJO
2 stops22h 12m
United Airlines
Wed 10/2812:55 pm
SJO
-
DLH
2 stops20h 49m
United Airlines
Deal found 6/24$680
This United Airlines deal was found by Cheapflights users on 6/22. 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 11/73:14 pm
DLH
-
LIR
2 stops20h 30m
United Airlines
Wed 11/115:20 pm
LIR
-
DLH
2 stops21h 13m
United Airlines
Deal found 6/22$703
This United Airlines deal was found by Cheapflights users on 6/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:10 pm
DLH
-
LIR
2 stops19h 00m
United Airlines
Tue 12/152:20 pm
LIR
-
DLH
2 stops20h 22m
United Airlines
Deal found 6/23$717
This United Airlines deal was found by Cheapflights users on 6/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:10 pm
DLH
-
SJO
2 stops26h 29m
United Airlines
Tue 12/152:20 pm
SJO
-
DLH
2 stops20h 22m
United Airlines
Deal found 6/23$803
This United Airlines deal was found by Cheapflights users on 6/24. 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 12/57:35 am
DLH
-
SJO
2 stops37h 04m
United Airlines
Sun 12/138:45 am
SJO
-
DLH
2 stops14h 19m
United Airlines
Deal found 6/24$832
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 8/66:25 pm
DLH
-
SJO
2 stops26h 12m
United Airlines
Thu 8/131:25 pm
SJO
-
DLH
2 stops27h 09m
United Airlines
Deal found 6/22$839
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:10 am
DLH
-
SJO
2 stops17h 05m
Delta
Thu 12/317:00 am
SJO
-
DLH
2 stops15h 48m
Delta
Deal found 6/23$1,468
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:11 pm
DLH
-
SJO
3 stops30h 54m
Multiple Airlines
Thu 8/135:05 am
SJO
-
DLH
3 stops16h 36m
Multiple Airlines
Deal found 6/22$2,179
This United Airlines deal was found by Cheapflights users on 6/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:10 pm
DLH
-
SJO
1 stop18h 46m
United Airlines
Thu 12/312:05 pm
SJO
-
DLH
1 stop8h 59m
United Airlines
Deal found 6/23$2,357

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 June 26, 2026.

Round-trip from

$645
(United Airlines)
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 June 26, 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

Mon 11/2

6:23 pm-8:39 pm

2 stops26h 16m

San José Juan Santamaria Intl

Thu 11/5

2:25 pm-2:33 pm

2 stops24h 08m

$645

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 10/24

3:10 pm-12:22 pm

2 stops22h 12m

San José Juan Santamaria Intl

Wed 10/28

12:55 pm-10:44 am

2 stops20h 49m

$680

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Sat 11/7

3:14 pm-11:44 am

2 stops20h 30m

Liberia

Wed 11/11

5:20 pm-2:33 pm

2 stops21h 13m

$703

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Tue 12/1

6:10 pm-1:10 pm

2 stops19h 00m

Liberia

Tue 12/15

2:20 pm-10:42 am

2 stops20h 22m

$717

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 12/5

7:35 am-8:39 pm

2 stops37h 04m

San José Juan Santamaria Intl

Sun 12/13

8:45 am-11:04 pm

2 stops14h 19m

$832

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Thu 8/6

6:25 pm-7:37 pm

2 stops26h 12m

San José Juan Santamaria Intl

Thu 8/13

1:25 pm-5:34 pm

2 stops27h 09m

$839

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Fri 12/18

5:10 am-10:15 pm

2 stops17h 05m

San José Juan Santamaria Intl

Thu 12/31

7:00 am-10:48 pm

2 stops15h 48m

$1,468

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Thu 8/6

4:11 pm-10:05 pm

3 stops30h 54m

San José Juan Santamaria Intl

Thu 8/13

5:05 am-10:41 pm

3 stops16h 36m

$2,179
Quickest round-trip

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Fri 12/18

6:10 pm-12:56 pm

1 stop18h 46m

San José Juan Santamaria Intl

Thu 12/31

2:05 pm-11:04 pm

1 stop8h 59m

$2,357

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

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 26h 16m. 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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