$723+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
Dec 14 — Dec 211
Round-trip
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
Best
Last-minute
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 November 14, 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 November 14, 2026.
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/167:00 am -
2 stops28h 30m
Wed 12/231:25 pm -
1 stop10h 03m
Deal found 11/12![Multiple Airlines logo]()
$981
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/165:54 am -
1 stop30h 21m
Wed 12/231:25 pm -
1 stop25h 22m
Deal found 11/12![Avianca logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/267:00 am -
2 stops53h 50m
Mon 1/44:30 pm -
2 stops26h 01m
Deal found 11/9![United Airlines logo]()
$1,600
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/267:00 am -
2 stops28h 24m
Mon 1/44:30 pm -
2 stops26h 01m
Deal found 11/12![Multiple Airlines logo]()
$1,731
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/265:00 am -
1 stop7h 35m
Mon 1/41:50 pm -
1 stop9h 13m
Deal found 11/9![Delta logo]()
$3,467
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 November 14, 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 November 14, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 2/216:03 am -
2 stops14h 36m
Tue 3/28:45 am -
2 stops12h 57m
Deal found 11/9![United Airlines logo]()
$723
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 1/3111:30 am -
1 stop25h 26m
Wed 2/32:06 pm -
1 stop9h 22m
Deal found 11/10![United Airlines logo]()
$849
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/267:00 am -
2 stops28h 24m
Mon 1/44:30 pm -
2 stops26h 01m
Deal found 11/12![Multiple Airlines logo]()
$1,731
This United Airlines deal was found by Cheapflights users on 11/12. 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 2/223:09 pm -
2 stops22h 13m
Wed 3/31:25 pm -
1 stop10h 19m
Deal found 11/12![United Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/265:00 am -
1 stop7h 35m
Mon 1/41:50 pm -
1 stop9h 13m
Deal found 11/9![Delta logo]()
$3,467
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/267:00 am -
2 stops53h 50m
Mon 1/44:30 pm -
2 stops26h 01m
Deal found 11/9![United Airlines logo]()
$1,600
Last-minute flights from Duluth to Costa RicaDiscover last-minute flight deals from Duluth to Costa Rica. Data last updated November 14, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to Costa Rica. Data last updated November 14, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/167:00 am -
2 stops28h 30m
Wed 12/231:25 pm -
1 stop10h 03m
Deal found 11/12![Multiple Airlines logo]()
$981
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/165:54 am -
1 stop30h 21m
Wed 12/231:25 pm -
1 stop25h 22m
Deal found 11/12![Avianca logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/267:00 am -
2 stops53h 50m
Mon 1/44:30 pm -
2 stops26h 01m
Deal found 11/9![United Airlines logo]()
$1,600
This KAYAK deal was found by Cheapflights users on 11/12. 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 12/267:00 am -
2 stops28h 24m
Mon 1/44:30 pm -
2 stops26h 01m
Deal found 11/12![Multiple Airlines logo]()
$1,731
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/265:00 am -
1 stop7h 35m
Mon 1/41:50 pm -
1 stop9h 13m
Deal found 11/9![Delta logo]()
$3,467
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 November 14, 2026.
Round-trip from | $723 (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 November 14, 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
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Sun 2/21
6:03 am-8:39 pm
2 stops14h 36m
San José Juan Santamaria Intl
Tue 3/2
8:45 am-9:42 pm
2 stops12h 57m
$723
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sun 1/31
11:30 am-12:56 pm
1 stop25h 26m
Liberia
Wed 2/3
2:06 pm-11:28 pm
1 stop9h 22m
$849
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Mon 2/22
3:09 pm-1:22 pm
2 stops22h 13m
San José Juan Santamaria Intl
Wed 3/3
1:25 pm-11:44 pm
1 stop10h 19m
$853
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sat 12/26
7:00 am-12:50 pm
2 stops53h 50m
Liberia
Mon 1/4
4:30 pm-6:31 pm
2 stops26h 01m
$1,600
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sat 12/26
7:00 am-11:24 am
2 stops28h 24m
Liberia
Mon 1/4
4:30 pm-6:31 pm
2 stops26h 01m
$1,731
Quickest round-trip
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sat 12/26
5:00 am-12:35 pm
1 stop7h 35m
Liberia
Mon 1/4
1:50 pm-11:03 pm
1 stop9h 13m
$3,467
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-SJO
DLH-LIR
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-SJO
DLH-LIR
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights