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$509+ Cheap flights from Idaho Falls to Duluth (IDA - 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DLH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Idaho Falls to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) 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

$651
(Delta)

One-way from

$509
(United Airlines)
From Idaho Falls Fanning Field to Duluth Intl
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One-way flight from Idaho Falls Fanning Field to Duluth Intl
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Find flight deals from Idaho Falls to Duluth

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

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.
Fri 9/265:56 pmIDA - DLH
2 stops19h 36mUnited Airlines
Tue 9/303:07 pmDLH - IDA
2 stops19h 41mUnited Airlines
Deal found 9/11$731
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 9/257:00 amIDA - DLH
2 stops14h 08mUnited Airlines
Mon 9/298:00 amDLH - IDA
2 stops26h 48mUnited Airlines
Deal found 9/10$742
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 9/295:00 amIDA - DLH
2 stops28h 45mUnited Airlines
Sat 10/49:45 amDLH - IDA
2 stops32h 30mUnited Airlines
Deal found 9/9$773

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 Idaho Falls to Duluth that are best for you.

Fly from

Idaho Falls

Fly to

Duluth

Route

Depart

Return

Price

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Sat 3/7

6:00 am-2:24 pm

2 stops31h 24m

Duluth Intl

Wed 3/11

4:20 pm-10:21 pm

2 stops31h 01m

$651

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Fri 9/26

5:56 pm-2:32 pm

2 stops19h 36m

Duluth Intl

Tue 9/30

3:07 pm-9:48 am

2 stops19h 41m

$731

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Thu 9/25

7:00 am-10:08 pm

2 stops14h 08m

Duluth Intl

Mon 9/29

8:00 am-9:48 am

2 stops26h 48m

$742

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Mon 9/29

5:00 am-10:45 am

2 stops28h 45m

Duluth Intl

Sat 10/4

9:45 am-5:15 pm

2 stops32h 30m

$773

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Sat 2/21

10:45 am-9:57 pm

3 stops10h 12m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Idaho Falls to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Idaho Falls 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

Find useful and relevant information for your journey from Idaho Falls 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 Idaho Falls to Duluth?

    A quick flight from Idaho Falls to Duluth can take about 19h 36m. Delta provides one of the quickest options available for as low as $731. There are 991 mi between Idaho Falls and Duluth. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

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