$661+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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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
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Cheapest flights from Duluth to Costa RicaExplore 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 20, 2026.
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 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/123:10 pm -
2 stops22h 00m
Sat 10/171:03 pm -
1 stop9h 19m
Deal found 8/19![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/111:16 am -
2 stops28h 54m
Thu 11/512:50 pm -
2 stops21h 51m
Deal found 8/16![United Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 10/263:06 pm -
2 stops22h 16m
Thu 10/2910:28 pm -
2 stops23h 46m
Deal found 8/15![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 10/2612:35 pm -
2 stops24h 25m
Thu 10/291:25 pm -
2 stops28h 47m
Deal found 8/20![Delta logo]()
$878
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Mon 10/123:10 pm -
2 stops22h 00m
Sat 10/174:30 pm -
2 stops20h 59m
Deal found 8/19![Multiple Airlines logo]()
$961
Best flights from Duluth to Costa RicaDiscover 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 August 20, 2026.
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 August 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/123:10 pm -
2 stops22h 00m
Sat 10/171:03 pm -
1 stop9h 19m
Deal found 8/19![United Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 10/2612:35 pm -
2 stops24h 25m
Thu 10/291:25 pm -
2 stops28h 47m
Deal found 8/20![Delta logo]()
$878
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Mon 10/123:10 pm -
2 stops22h 00m
Sat 10/174:30 pm -
2 stops20h 59m
Deal found 8/19![Multiple Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 11/111:16 am -
2 stops28h 54m
Thu 11/512:50 pm -
2 stops21h 51m
Deal found 8/15![United Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 8/19. 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 1/247:35 am -
1 stop29h 20m
Thu 1/282:20 pm -
2 stops20h 22m
Deal found 8/19![United Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 10/263:06 pm -
2 stops22h 16m
Thu 10/2910:28 pm -
2 stops23h 46m
Deal found 8/15![United Airlines logo]()
$803
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 20, 2026.
Round-trip from | $661 (United Airlines) |
|---|
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 7,457,451 searches. Data last updated August 20, 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
Cheapest round-trip
Quickest round-trip
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Mon 10/12
3:10 pm-12:10 pm
2 stops22h 00m
Liberia
Sat 10/17
1:03 pm-11:22 pm
1 stop9h 19m
$661
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sun 11/1
11:16 am-4:10 pm
2 stops28h 54m
Liberia
Thu 11/5
12:50 pm-10:41 am
2 stops21h 51m
$759
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sun 1/24
7:35 am-12:55 pm
1 stop29h 20m
Liberia
Thu 1/28
2:20 pm-10:42 am
2 stops20h 22m
$762
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Mon 10/26
3:06 pm-12:22 pm
2 stops22h 16m
San José Juan Santamaria Intl
Thu 10/29
10:28 pm-11:14 pm
2 stops23h 46m
$803
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Mon 10/26
12:35 pm-12:00 pm
2 stops24h 25m
San José Juan Santamaria Intl
Thu 10/29
1:25 pm-7:12 pm
2 stops28h 47m
$878
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Mon 10/12
3:10 pm-12:10 pm
2 stops22h 00m
Liberia
Sat 10/17
4:30 pm-2:29 pm
2 stops20h 59m
$961
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.
DLH-LIR
DLH-SJO
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
DLH-CR0
DLH-LIR
DLH-SJO
No data available for this route at this time. Please check back soon.
Related info for your journey
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