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Duluth

$462+ Cheap flights from Idaho to Duluth (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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DLH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Idaho to Duluth

Keep the following information in mind while searching for Idaho to Duluth flight deals. Data was last updated September 15, 2025.

Round-trip from

$387
(Delta)
From Idaho to Duluth Intl
Search Deals

Find flight deals from Idaho to Duluth

Cheapest flights from Idaho to Duluth
Explore the most affordable flight options available from Idaho to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/43:22 pmTWF - DLH
2 stops6h 21mDelta
Tue 10/75:18 amDLH - TWF
2 stops10h 19mDelta
Deal found 9/13$462
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/302:35 pmIDA - DLH
2 stops22h 57mUnited Airlines
Sat 10/49:45 amDLH - IDA
2 stops28h 48mUnited Airlines
Deal found 9/14$616
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 9/283:20 pmBOI - DLH
1 stop6h 23mDelta
Thu 10/24:20 pmDLH - BOI
2 stops8h 32mDelta
Deal found 9/13$822
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/282:44 pmBOI - DLH
2 stops26h 53mUnited Airlines
Thu 10/29:45 amDLH - BOI
2 stops12h 39mUnited Airlines
Deal found 9/13$915
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 12/196:00 amIDA - DLH
2 stops8h 44mDelta
Fri 12/264:10 pmDLH - IDA
2 stops7h 47mDelta
Deal found 9/14$1,529

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 15, 2025.
Use the filters below to find and compare flights from Idaho to Duluth that are best for you.

Fly from

Idaho

Fly to

Duluth

Route

Depart

Return

Price

Twin FallsDuluth

TWF - DLH

TWFDLH

Twin Falls Joslin

Sat 10/4

3:22 pm-10:43 pm

2 stops6h 21m

Duluth Intl

Tue 10/7

5:18 am-2:37 pm

2 stops10h 19m

$462

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Tue 9/30

2:35 pm-2:32 pm

2 stops22h 57m

Duluth Intl

Sat 10/4

9:45 am-1:33 pm

2 stops28h 48m

$616

BoiseDuluth

BOI - DLH

BOIDLH

Boise Air Term. Gowen Fld

Sun 9/28

3:20 pm-10:43 pm

1 stop6h 23m

Duluth Intl

Thu 10/2

4:20 pm-11:52 pm

2 stops8h 32m

$822

BoiseDuluth

BOI - DLH

BOIDLH

Boise Air Term. Gowen Fld

Sun 9/28

2:44 pm-6:37 pm

2 stops26h 53m

Duluth Intl

Thu 10/2

9:45 am-9:24 pm

2 stops12h 39m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Idaho to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Idaho 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 Idaho to Duluth
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Duluth from Idaho?

    Duluth Intl (DLH) is the airport you will fly into if you book a flight from Idaho to Duluth. It is only a 5.8 mi journey from Duluth Intl (DLH) to Duluth’s city center.

  • How long is the flight from Idaho to Duluth?

    Airlines like Delta and United Airlines fly from Idaho to Duluth in about 6h 21m. The time it takes to get you to your destination can typically vary by up to 16h 36m. Airlines will cover a distance of 1131 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Idaho to Duluth?

    When deciding which route to take from Idaho to Duluth consider Spokane - Duluth Intl, Idaho Falls Fanning Field - Duluth Intl or Boise Air Term. Gowen Fld - Duluth Intl as they are the most popular.

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

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

  • How can I find direct flights from Idaho to Duluth?

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Duluth?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Duluth (average of $339). Flying from Idaho 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

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Top airline flying from Idaho to Duluth

Discover the top airline that operate flights from Idaho 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$368FlexibilityNo cancel feeOn-timeN/A

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