$601+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SJO
Oct 1 — Oct 81
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
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 September 1, 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 September 1, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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 12/285:14 pm -
2 stops20h 46m
Mon 1/43:15 pm -
2 stops28h 21m
Deal found 8/27![Delta logo]()
$601
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 12/275:14 pm -
2 stops44h 46m
Mon 1/43:15 pm -
2 stops20h 00m
Deal found 8/27![Delta logo]()
$818
This United Airlines deal was found by Cheapflights users on 8/27. 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 12/243:22 pm -
2 stops20h 02m
Wed 12/308:45 am -
2 stops30h 02m
Deal found 8/27![United Airlines logo]()
$831
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 12/295:14 pm -
1 stop19h 21m
Mon 1/43:15 pm -
2 stops28h 21m
Deal found 8/27![Delta logo]()
$876
This Delta deal was found by Cheapflights users on 8/27. 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 12/285:14 pm -
2 stops20h 46m
Thu 12/313:25 pm -
2 stops44h 03m
Deal found 8/27![Delta logo]()
$935
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 12/295:14 pm -
2 stops20h 46m
Thu 12/313:25 pm -
2 stops44h 03m
Deal found 8/27![Delta logo]()
$946
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 12/245:14 pm -
2 stops42h 06m
Mon 1/43:15 pm -
2 stops28h 21m
Deal found 8/27![Delta logo]()
$967
This Delta deal was found by Cheapflights users on 8/27. 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 12/285:14 pm -
2 stops20h 46m
Tue 1/51:50 pm -
1 stop29h 46m
Deal found 8/27![Delta logo]()
$1,007
This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 12/235:00 am -
2 stops31h 45m
Mon 1/43:15 pm -
2 stops20h 00m
Deal found 8/27![Delta logo]()
$1,090
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 12/275:14 pm -
2 stops44h 46m
Thu 12/313:25 pm -
2 stops44h 03m
Deal found 8/27![Delta logo]()
$1,151
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 September 1, 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 September 1, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 12/295:14 pm -
2 stops20h 46m
Mon 1/43:15 pm -
2 stops24h 29m
Deal found 8/27![Delta logo]()
$601
This United Airlines deal was found by Cheapflights users on 9/1. 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 2/1711:18 am -
1 stop25h 37m
Thu 2/258:35 am -
2 stops50h 07m
Deal found 9/1![United Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sun 1/247:15 am -
1 stop29h 40m
Thu 1/2812:50 pm -
2 stops29h 01m
Deal found 8/31![United Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 12/275:14 pm -
2 stops44h 46m
Mon 1/43:15 pm -
2 stops20h 00m
Deal found 8/27![Delta logo]()
$818
This United Airlines deal was found by Cheapflights users on 8/28. 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 2/223:14 pm -
2 stops22h 08m
Wed 3/39:05 am -
2 stops25h 37m
Deal found 8/28![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 8/30. 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 1/175:50 am -
2 stops31h 32m
Wed 1/201:15 am -
2 stops16h 36m
Deal found 8/30![United Airlines logo]()
$791
This United Airlines deal was found by Cheapflights users on 9/1. 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 2/217:35 am -
2 stops29h 47m
Tue 3/28:45 am -
3 stops25h 57m
Deal found 9/1![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 September 1, 2026.
Round-trip from | $601 (Delta) |
|---|
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 September 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
Cheapest round-trip
Quickest round-trip
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Tue 12/29
5:14 pm-2:00 pm
2 stops20h 46m
Liberia
Mon 1/4
3:15 pm-3:44 pm
2 stops24h 29m
$601
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Wed 2/17
11:18 am-12:55 pm
1 stop25h 37m
Liberia
Thu 2/25
8:35 am-10:42 am
2 stops50h 07m
$758
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sun 1/24
7:15 am-12:55 pm
1 stop29h 40m
Liberia
Thu 1/28
12:50 pm-5:51 pm
2 stops29h 01m
$765
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Mon 2/22
3:14 pm-1:22 pm
2 stops22h 08m
San José Juan Santamaria Intl
Wed 3/3
9:05 am-10:42 am
2 stops25h 37m
$773
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Sun 1/17
5:50 am-1:22 pm
2 stops31h 32m
San José Juan Santamaria Intl
Wed 1/20
1:15 am-5:51 pm
2 stops16h 36m
$791
DuluthSan José
DLH Duluth Intl - SJO San José Juan Santamaria Intl
DLHSJO
Duluth Intl
Sun 2/21
7:35 am-1:22 pm
2 stops29h 47m
San José Juan Santamaria Intl
Tue 3/2
8:45 am-10:42 am
3 stops25h 57m
$803
DuluthLiberia
DLH Duluth Intl - LIR Liberia
DLHLIR
Duluth Intl
Sun 12/27
5:14 pm-2:00 pm
2 stops44h 46m
Liberia
Mon 1/4
3:15 pm-11:15 am
2 stops20h 00m
$818
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
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