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Cheap flights from Costa Rica to Duluth from $459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Costa Rica to Duluth departing on 4/18. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Costa Rica to Duluth

Recent round-trip flight deals from Costa Rica to Duluth

Enter your travel dates to find the best prices.
United Airlines Logo
1:25 pm - 2:27 pm
SJO
-
DLH
24h 02m
2 stops
United Airlines Logo
6:57 pm - 10:11 am
DLH
-
SJO
16h 14m
2 stops
$654United Airlines
Thu, Apr 16 - Sun, Apr 19
United Airlines Logo
7:55 am - 10:30 am
SJO
-
DLH
25h 35m
2 stops
United Airlines Logo
7:05 am - 12:21 pm
DLH
-
SJO
30h 16m
2 stops
$696United Airlines
Wed, Sep 2 - Sun, Sep 6

United Airlines flights from Costa Rica to Duluth

Our best United Airlines deals on Costa Rica to Duluth flight tickets
United Airlines
Apr 16
SJO1:25 pmSan José Juan Santamaria Intl
24h 02m
2 stops
DLH2:27 pmDuluth Intl
Apr 19
DLH6:57 pmDuluth Intl
16h 14m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
$654
United Airlines
Sep 2
SJO7:55 amSan José Juan Santamaria Intl
25h 35m
2 stops
DLH10:30 amDuluth Intl
Sep 6
DLH7:05 amDuluth Intl
30h 16m
2 stops
SJO12:21 pmSan José Juan Santamaria Intl
$696

momondo Fare Finder

 
Customize your flight search to find flights from Costa Rica to Duluth 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 April 6, 2026.
Use the filters below to find and compare flights from Costa Rica to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San JoséDuluth

SJO - DLH

SJODLH

San José Juan Santamaria Intl

Thu 4/16

1:25 pm-2:27 pm

2 stops24h 02m

Duluth Intl

Sun 4/19

6:57 pm-10:11 am

2 stops16h 14m

$654

San JoséDuluth

SJO - DLH

SJODLH

San José Juan Santamaria Intl

Wed 9/2

7:55 am-10:30 am

2 stops25h 35m

Duluth Intl

Sun 9/6

7:05 am-12:21 pm

2 stops30h 16m

$696
Cheapest one-way

San JoséDuluth

SJO - DLH

SJODLH

San José Juan Santamaria Intl

Sat 4/18

11:13 am-10:39 am

2 stops22h 26m

$459
Quickest one-way

San JoséDuluth

SJO - DLH

SJODLH

San José Juan Santamaria Intl

Sat 4/18

1:00 pm-10:39 am

1 stop20h 39m

$513

San JoséDuluth

SJO - DLH

SJODLH

San José Juan Santamaria Intl

Sat 4/18

6:19 pm-12:07 pm

3 stops40h 48m

$1,034

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Costa Rica to Duluth flight deals and tips

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

Fastest flight time

20h 14m

Direct flights

None
The fastest flight from Costa Rica to Duluth takes 20h 14m
There are no direct flights from Costa Rica to Duluth. There are no popular flight routes from Costa Rica to Duluth.
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Frequently asked questions about flying from Costa Rica to Duluth

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Costa Rica to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The travel and health documents required for your trip to Duluth Intl Airport 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 Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Costa Rica to Duluth

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

    Search flight deals from Costa Rica to Duluth. While viewing offers you’ll have the option to create a Price Alert.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior
Hayward
Cloquet

Why use momondo?

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

It is quick and easy to find Costa Rica to Duluth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Duluth that suits you.

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

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

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

momondo helps you find the best flight between Costa Rica and Duluth 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 Costa Rica to Duluth right now. Can momondo alert me if prices change?

Price alerts on flights to Duluth from Costa Rica are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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