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Cheap flights from San José to Duluth from $521

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San José to Duluth departing on 10/1. 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

Find the cheapest flights from San José to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:44 pm - 11:22 pmSJO  San José Juan Santamaria Intl-DLH Duluth Intl
33h 38m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 11:38 amDLH  Duluth Intl-SJO San José Juan Santamaria Intl
21h 28m2 stops Chicago O'Hare Intl Newark
$521United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
7:55 am - 10:42 amSJO  San José Juan Santamaria Intl-DLH Duluth Intl
25h 47m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 12:21 pmDLH  Duluth Intl-SJO San José Juan Santamaria Intl
22h 11m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$540United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
1:25 pm - 11:22 pmSJO  San José Juan Santamaria Intl-DLH Duluth Intl
32h 57m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 11:38 amDLH  Duluth Intl-SJO San José Juan Santamaria Intl
21h 28m2 stops Chicago O'Hare Intl Newark
$542United Airlines
Thu, Oct 1 - Mon, Oct 5

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United Airlines flights from San José to Duluth

Our best United Airlines deals on San José to Duluth flight tickets
United Airlines
Oct 1
SJO12:44 pmSan José Juan Santamaria Intl
33h 38m
2 stops
DLH11:22 pmDuluth Intl
Oct 5
DLH3:10 pmDuluth Intl
21h 28m
2 stops
SJO11:38 amSan José Juan Santamaria Intl
$521
United Airlines
Oct 1
SJO7:55 amSan José Juan Santamaria Intl
25h 47m
2 stops
DLH10:42 amDuluth Intl
Oct 5
DLH3:10 pmDuluth Intl
22h 11m
2 stops
SJO12:21 pmSan José Juan Santamaria Intl
$540
United Airlines
Oct 1
SJO1:25 pmSan José Juan Santamaria Intl
32h 57m
2 stops
DLH11:22 pmDuluth Intl
Oct 5
DLH3:10 pmDuluth Intl
21h 28m
2 stops
SJO11:38 amSan José Juan Santamaria Intl
$542

momondo Fare Finder

 
Customize your flight search to find flights from San José 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 August 8, 2026.
Use the filters below to find and compare flights from San José to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséDuluth

SJO San José Juan Santamaria Intl - DLH Duluth Intl

SJODLH

San José Juan Santamaria Intl

Thu 10/1

12:44 pm-11:22 pm

2 stops33h 38m

Duluth Intl

Mon 10/5

3:10 pm-11:38 am

2 stops21h 28m

$521
Quickest round-trip

San JoséDuluth

SJO San José Juan Santamaria Intl - DLH Duluth Intl

SJODLH

San José Juan Santamaria Intl

Thu 10/1

7:55 am-10:42 am

2 stops25h 47m

Duluth Intl

Mon 10/5

3:10 pm-12:21 pm

2 stops22h 11m

$540

San JoséDuluth

SJO San José Juan Santamaria Intl - DLH Duluth Intl

SJODLH

San José Juan Santamaria Intl

Thu 10/1

1:25 pm-11:22 pm

2 stops32h 57m

Duluth Intl

Mon 10/5

3:10 pm-11:38 am

2 stops21h 28m

$542

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from San José to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from San José to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San José to Duluth (SJO to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San José to Duluth

Fastest flight time

25h 47m

Direct flights

None
The fastest flight from San José to Duluth takes 25h 47m
There are no direct flights from San José to Duluth. There are no popular flight routes from San José to Duluth.
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Frequently asked questions about flying from San José to Duluth

  • How far is San José Juan Santamaria Intl to Duluth Intl by plane?

    Duluth Intl is 2587.5 mi away from San José Juan Santamaria Intl. A reasonable flight in good conditions will take 25h 47m.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Duluth Intl Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to Duluth Intl Airport were last updated today.

  • How old do you have to be to fly from San José Juan Santamaria Intl Airport 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 San José Juan Santamaria Intl Airport to Duluth Intl Airport.

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

    The necessary travel and health documents for your Duluth Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from San José to Duluth

  • How do I get Price Alerts for flights from San José to Duluth?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to San José from Duluth. 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 San José to Duluth with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • 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.

Traveling to a place near Duluth?

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

Why use momondo?

Why should I use momondo to find a flight deal from San José to Duluth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San José to Duluth for you.

Can I find flights from San José to Duluth with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San José to Duluth flights to just show those with flexible booking policies.

How can momondo help me find flights from San José to Duluth?

Once you have performed a search for San José to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Duluth, momondo offers a useful price alert feature which will track prices for flights to Duluth from San José and alert you when they change.

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