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Cheap flights from Duluth to Costa Rica from $658

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Costa Rica departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:20 am - 9:32 pm
DLH
-
SJO
11h 12m
2 stops
United Airlines Logo
5:30 am - 9:54 pm
SJO
-
DLH
15h 24m
2 stops
$658United Airlines
Tue, Mar 17 - Wed, Mar 25
Avianca Logo
3:07 pm - 11:56 am
DLH
-
SJO
21h 49m
1 stop
Avianca Logo
1:20 pm - 2:32 pm
SJO
-
DLH
24h 12m
2 stops
$666Avianca
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
3:07 pm - 11:56 am
DLH
-
SJO
21h 49m
1 stop
Multiple Airlines Logo
1:05 pm - 10:43 am
SJO
-
DLH
20h 38m
1 stop
$788Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
3:07 pm - 11:00 am
DLH
-
LIR
20h 53m
2 stops
Multiple Airlines Logo
7:35 am - 10:43 am
LIR
-
DLH
26h 08m
2 stops
$792Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
11:20 am - 11:00 am
DLH
-
LIR
24h 40m
2 stops
Multiple Airlines Logo
7:35 am - 2:32 pm
LIR
-
DLH
29h 57m
2 stops
$807Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
United Airlines Logo
3:07 pm - 10:40 am
DLH
-
LIR
20h 33m
2 stops
United Airlines Logo
1:01 pm - 10:43 am
LIR
-
DLH
20h 42m
1 stop
$878United Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
11:20 am - 11:00 am
DLH
-
LIR
24h 40m
2 stops
Multiple Airlines Logo
1:01 pm - 10:43 am
LIR
-
DLH
20h 42m
1 stop
$897Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
United Airlines Logo
3:07 pm - 11:55 am
DLH
-
LIR
21h 48m
1 stop
United Airlines Logo
1:01 pm - 10:43 am
LIR
-
DLH
20h 42m
1 stop
$1,128United Airlines
Tue, Mar 17 - Wed, Mar 25
Delta Logo
5:00 am - 12:30 pm
DLH
-
LIR
8h 30m
1 stop
Delta Logo
1:45 pm - 10:47 pm
LIR
-
DLH
8h 02m
1 stop
$4,789Delta
Wed, Mar 11 - Wed, Mar 18

United Airlines flights from Duluth to Costa Rica

Our best United Airlines deals on Duluth to Costa Rica flight tickets
United Airlines
Mar 17
DLH11:20 amDuluth Intl
11h 12m
2 stops
SJO9:32 pmSan José Juan Santamaria Intl
Mar 25
SJO5:30 amSan José Juan Santamaria Intl
15h 24m
2 stops
DLH9:54 pmDuluth Intl
$658
United Airlines
Mar 6
DLH6:43 pmDuluth Intl
18h 17m
1 stop
LIR1:00 pmLiberia
Mar 16
LIR7:35 amLiberia
26h 08m
2 stops
DLH10:43 amDuluth Intl
$1,112
United Airlines
Mar 17
DLH3:07 pmDuluth Intl
21h 48m
1 stop
LIR11:55 amLiberia
Mar 25
LIR1:01 pmLiberia
20h 42m
1 stop
DLH10:43 amDuluth Intl
$1,128

momondo 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, momondo users made 832,500 searches. Data last updated March 2, 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

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Tue 3/17

11:20 am-9:32 pm

2 stops11h 12m

San José Juan Santamaria Intl

Wed 3/25

5:30 am-9:54 pm

2 stops15h 24m

$658

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Tue 3/17

3:07 pm-11:56 am

1 stop21h 49m

San José Juan Santamaria Intl

Wed 3/25

1:20 pm-2:32 pm

2 stops24h 12m

$666

DuluthSan José

DLH - SJO

DLHSJO

Duluth Intl

Tue 3/17

3:07 pm-11:56 am

1 stop21h 49m

San José Juan Santamaria Intl

Wed 3/25

1:05 pm-10:43 am

1 stop20h 38m

$788

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Wed 3/11

3:07 pm-11:00 am

2 stops20h 53m

Liberia

Wed 3/18

7:35 am-10:43 am

2 stops26h 08m

$792

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Tue 3/17

11:20 am-11:00 am

2 stops24h 40m

Liberia

Wed 3/25

7:35 am-2:32 pm

2 stops29h 57m

$807

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Wed 3/11

3:07 pm-10:40 am

2 stops20h 33m

Liberia

Wed 3/18

1:01 pm-10:43 am

1 stop20h 42m

$878

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Tue 3/17

11:20 am-11:00 am

2 stops24h 40m

Liberia

Wed 3/25

1:01 pm-10:43 am

1 stop20h 42m

$897

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Tue 3/17

3:07 pm-11:55 am

1 stop21h 48m

Liberia

Wed 3/25

1:01 pm-10:43 am

1 stop20h 42m

$1,128

DuluthLiberia

DLH - LIR

DLHLIR

Duluth Intl

Wed 3/11

5:00 am-12:30 pm

1 stop8h 30m

Liberia

Wed 3/18

1:45 pm-10:47 pm

1 stop8h 02m

$4,789

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Duluth to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Duluth to Costa Rica

Fastest flight time

11h 12m

Direct flights

None
The fastest flight from Duluth to Costa Rica takes 11h 12m
There are no direct flights from Duluth to Costa Rica. There are no popular flight routes from Duluth to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Duluth Intl Airport to Costa Rica?

    Prices for flights from Duluth Intl Airport to Costa Rica are updated daily.

  • How old do you have to be to fly from Duluth Intl Airport to Costa Rica?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Duluth Intl Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Duluth to Costa Rica?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Duluth from Costa Rica. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Duluth to Costa Rica with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Duluth to Costa Rica?

Finding the right flight to Costa Rica from Duluth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Costa Rica quick and easy, saving you time and money.

Can I find flights from Duluth to Costa Rica with flexible booking policies on momondo?

All flight searches from Duluth to Costa Rica on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Duluth to Costa Rica?

momondo helps you find the best flight between Duluth and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Duluth to Costa Rica right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Costa Rica from Duluth. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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