HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$649+ 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
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Duluth to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 1, 2026.

This United Airlines deal was found by Cheapflights users on 7/28. 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 11/23:06 pm
DLH
-
LIR
2 stops20h 38m
United Airlines
Wed 11/412:50 pm
LIR
-
DLH
2 stops21h 51m
United Airlines
Deal found 7/28$649
This United Airlines deal was found by Cheapflights users on 7/29. 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 10/317:00 am
DLH
-
SJO
2 stops29h 25m
United Airlines
Wed 11/41:55 pm
SJO
-
DLH
2 stops20h 46m
United Airlines
Deal found 7/29$685
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/1611:18 am
DLH
-
SJO
2 stops25h 20m
United Airlines
Sun 10/251:25 pm
SJO
-
DLH
2 stops20h 16m
United Airlines
Deal found 7/31$884

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 August 1, 2026.

Round-trip from

$649
(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 August 1, 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
Quickest round-trip

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Mon 11/2

3:06 pm-11:44 am

2 stops20h 38m

Liberia

Wed 11/4

12:50 pm-10:41 am

2 stops21h 51m

$649

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Sat 10/31

7:00 am-11:25 am

2 stops29h 25m

San José Juan Santamaria Intl

Wed 11/4

1:55 pm-10:41 am

2 stops20h 46m

$685

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Fri 10/16

11:18 am-11:38 am

2 stops25h 20m

San José Juan Santamaria Intl

Sun 10/25

1:25 pm-10:41 am

2 stops20h 16m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 20h 38m. There are 2533 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.