In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

What is the cheapest time of day to fly from SJO to DLH?

When flying from San José to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on San José-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Duluth flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San José-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from San José to Duluth that include hotel bookings?

Yes. In addition to deals on San José to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San José to Duluth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Duluth.

Can I find deals for business class flights from San José to Duluth?

Yes. Cheapflights offers flight deals from San José to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$377+ Flights from San José to Duluth

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San José to Duluth 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 San José to Duluth

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star

Provider with most accurate pricing for San José Juan Santamaria Intl-Duluth Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Duluth Intl flights.

Search Deals

Find flight deals from San José to Duluth

Cheapest flights from San José to Duluth
Explore the most affordable flight options available from San José to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

Fri 8/281:30 pmSJO - DLH

2 stops27h 52mUnited Airlines

Tue 9/111:26 amDLH - SJO

2 stops26h 00mUnited Airlines

Deal found 1/7

$617

One-way flights from San José to Duluth
Search for one-way flight options from San José to Duluth. Find affordable one-way fares based on user searches. Data last updated January 8, 2026.

Fri 3/205:30 amSJO - DLH

2 stops28h 13mUnited Airlines

Deal found 1/6

$377

Fly from

Fly to

Route

Depart

Return

Price

San JoséDuluth

SJO - DLH

SJODLH

San José Juan Santamaria Intl

Fri 3/20

5:30 am-10:43 am

2 stops28h 13m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Most accurate provider: When it comes to deals on San José-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Duluth flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San José-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San José to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from San José with our price prediction graph.

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.

Related info for your journey

Can I find deals for flights from San José to Duluth that include hotel bookings?
Yes. In addition to deals on San José to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San José to Duluth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Duluth.
Can I find deals for business class flights from San José to Duluth?
Yes. Cheapflights offers flight deals from San José to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Two Harbors

Superior

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San José to Duluth

San José to Minneapolis flights

Liberia to Minneapolis flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$377+ Cheap flights from San José (SJO) to Duluth (DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San José to Duluth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San José to Duluth

Most accurate provider

Most trusted provider

Find flight deals from San José to Duluth

Cheapest flights from San José to DuluthExplore the most affordable flight options available from San José to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

Explore the most affordable flight options available from San José to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San José to Duluth that are best for you.