HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$457+ Cheap flights from San Jose to Duluth (SJC - DLH)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DLH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose 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 Jose to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Duluth (DLH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$457
(Delta)
From San Jose to Duluth Intl
Search Deals

Find flight deals from San Jose to Duluth

Cheapest flights from San Jose to Duluth
Explore the most affordable flight options available from San Jose to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 10/237:15 amSJC - DLH
2 stops14h 27mDelta
Sun 10/267:50 amDLH - SJC
1 stop6h 34mDelta
Deal found 9/10$457
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/256:30 amSJC - DLH
1 stop10h 07mUnited Airlines
Mon 9/299:45 amDLH - SJC
2 stops26h 07mUnited Airlines
Deal found 9/10$477
This Delta deal was found by Cheapflights users on 9/10. 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 9/2511:15 amSJC - DLH
2 stops9h 28mDelta
Mon 9/295:10 amDLH - SJC
2 stops11h 35mDelta
Deal found 9/10$549
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/146:30 amSJC - DLH
1 stop10h 00mUnited Airlines
Fri 9/199:45 amDLH - SJC
1 stop14h 55mUnited Airlines
Deal found 9/11$2,158

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from San Jose to Duluth that are best for you.

Fly from

San Jose

Fly to

Duluth

Route

Depart

Return

Price

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Thu 10/23

7:15 am-11:42 pm

2 stops14h 27m

Duluth Intl

Sun 10/26

7:50 am-12:24 pm

1 stop6h 34m

$457

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Sat 3/7

6:30 am-3:24 pm

1 stop6h 54m

Duluth Intl

Wed 3/11

4:20 pm-9:06 pm

1 stop6h 46m

$466

San JoseDuluth

SJC - DLH

SJCDLH

San Jose

Thu 9/25

6:30 am-6:37 pm

1 stop10h 07m

Duluth Intl

Mon 9/29

9:45 am-9:52 am

2 stops26h 07m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from San Jose to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from San Jose 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.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Duluth

What is the cheapest month to book a flight from San Jose to Duluth?

Currently, January is the cheapest month in which you can book a flight from San Jose to Duluth (average of $339). Flying from San Jose to Duluth in June is currently the most expensive (average of $477). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Delta from San Jose to Duluth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Jose to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Jose to Duluth?

    There are many flights that can get you from San Jose to Duluth in 10h 07m. Fly via Delta or United Airlines to get the fastest option. San Jose and Duluth are separated by a distance of 1645 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from San Jose to Duluth round-trip?

    Currently priced at $343, Delta will fly you from San Jose to Duluth and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

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

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

  • How can I find direct flights from San Jose to Duluth?

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

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

    Yes. Cheapflights offers flight deals from San Jose 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.

  • What is the cheapest month to book a flight from San Jose to Duluth?

    Currently, January is the cheapest month in which you can book a flight from San Jose to Duluth (average of $339). Flying from San Jose to Duluth in June is currently the most expensive (average of $477). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Duluth?

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

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 for San Jose to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Minneapolis flights
San Francisco to Minneapolis flights
San Diego to Minneapolis flights
Santa Ana to Minneapolis flights
Ontario to Minneapolis flights
San Jose to Minneapolis flights
Las Vegas to Minneapolis flights
Sacramento to Minneapolis flights
Oakland to Minneapolis flights
Palm Springs to Minneapolis flights
Burbank to Minneapolis flights
Fresno to Minneapolis flights
Reno to Minneapolis flights
Long Beach to Minneapolis flights
Santa Barbara to Minneapolis flights
San Diego to Sioux Falls flights
Los Angeles to Fargo flights
Los Angeles to Sioux Falls flights
San Diego to Fargo flights
Las Vegas to Sioux Falls flights
San Francisco to Sioux Falls flights
Medford to Minneapolis flights
Ontario to Fargo flights
Sacramento to Sioux Falls flights
Bakersfield to Minneapolis flights
San Francisco to Fargo flights
Los Angeles to Duluth flights
Ontario to Sioux Falls flights
Santa Ana to Fargo flights
San Luis Obispo to Minneapolis flights
San Jose to Rochester flights
San Francisco to Rochester flights
Sacramento to Duluth flights
San Francisco to Duluth flights
Las Vegas to Fargo flights
Santa Rosa to Minneapolis flights
Monterey to Minneapolis flights
Burbank to Sioux Falls flights
San Diego to Rochester flights
Ontario to Duluth flights
Los Angeles to Rochester flights
San Jose to Fargo flights
San Jose to Sioux Falls flights
Fresno to Sioux Falls flights
Las Vegas to Rochester flights
Burbank to Fargo flights
Sacramento to Fargo flights
Santa Ana to Sioux Falls flights
San Diego to Duluth flights
Arcata to Minneapolis flights

Top airline flying from San Jose to Duluth

Discover the top airline that operate flights from San Jose to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$343Average$682FlexibilityNo cancel feeOn-timeN/A

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.