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Cheap flights from Idaho Falls to Duluth from $663

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Duluth departing on 8/19. 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 Idaho Falls to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:17 pm - 10:41 pm
IDA
-
DLH
6h 24m
2 stops
Delta Logo
11:41 am - 6:20 pm
DLH
-
IDA
7h 39m
2 stops
$663Delta
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
5:53 pm - 2:29 pm
IDA
-
DLH
19h 36m
2 stops
United Airlines Logo
6:27 pm - 9:53 am
DLH
-
IDA
16h 26m
2 stops
$669United Airlines
Tue, Sep 8 - Fri, Sep 18
United Airlines Logo
5:53 pm - 2:29 pm
IDA
-
DLH
19h 36m
2 stops
United Airlines Logo
6:32 pm - 3:23 pm
DLH
-
IDA
21h 51m
2 stops
$673United Airlines
Tue, Sep 8 - Sat, Sep 19
United Airlines Logo
4:04 pm - 5:51 pm
IDA
-
DLH
24h 47m
2 stops
United Airlines Logo
6:32 pm - 1:29 pm
DLH
-
IDA
19h 57m
2 stops
$677United Airlines
Fri, Sep 11 - Sat, Sep 19
United Airlines Logo
4:04 pm - 10:42 am
IDA
-
DLH
17h 38m
2 stops
United Airlines Logo
6:27 pm - 9:53 am
DLH
-
IDA
16h 26m
2 stops
$684United Airlines
Wed, Sep 9 - Fri, Sep 18
United Airlines Logo
4:04 pm - 5:34 pm
IDA
-
DLH
24h 30m
2 stops
United Airlines Logo
6:27 pm - 9:53 am
DLH
-
IDA
16h 26m
2 stops
$688United Airlines
Sun, Sep 6 - Fri, Sep 18
United Airlines Logo
4:04 pm - 5:34 pm
IDA
-
DLH
24h 30m
2 stops
United Airlines Logo
6:32 pm - 1:29 pm
DLH
-
IDA
19h 57m
2 stops
$692United Airlines
Sun, Sep 6 - Sat, Sep 19
Delta Logo
6:57 pm - 10:35 pm
IDA
-
DLH
26h 38m
2 stops
Delta Logo
4:11 pm - 10:22 pm
DLH
-
IDA
7h 11m
2 stops
$693Delta
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
4:04 pm - 10:42 am
IDA
-
DLH
17h 38m
2 stops
United Airlines Logo
6:27 pm - 3:23 pm
DLH
-
IDA
21h 56m
2 stops
$696United Airlines
Tue, Sep 8 - Mon, Sep 14
Delta Logo
6:00 am - 7:44 pm
IDA
-
DLH
12h 44m
2 stops
Delta Logo
4:11 pm - 10:22 pm
DLH
-
IDA
7h 11m
2 stops
$697Delta
Sun, Sep 6 - Wed, Sep 16

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Delta flights from Idaho Falls to Duluth

Our best Delta deals on Idaho Falls to Duluth flight tickets
Delta
Aug 19
IDA3:17 pmIdaho Falls Fanning Field
6h 24m
2 stops
DLH10:41 pmDuluth Intl
Aug 26
DLH11:41 amDuluth Intl
7h 39m
2 stops
IDA6:20 pmIdaho Falls Fanning Field
$663
Delta
Sep 8
IDA6:57 pmIdaho Falls Fanning Field
26h 38m
2 stops
DLH10:35 pmDuluth Intl
Sep 16
DLH4:11 pmDuluth Intl
7h 11m
2 stops
IDA10:22 pmIdaho Falls Fanning Field
$693
Delta
Sep 6
IDA6:00 amIdaho Falls Fanning Field
12h 44m
2 stops
DLH7:44 pmDuluth Intl
Sep 16
DLH4:11 pmDuluth Intl
7h 11m
2 stops
IDA10:22 pmIdaho Falls Fanning Field
$697

United Airlines flights from Idaho Falls to Duluth

Our best United Airlines deals on Idaho Falls to Duluth flight tickets
United Airlines
Sep 8
IDA5:53 pmIdaho Falls Fanning Field
19h 36m
2 stops
DLH2:29 pmDuluth Intl
Sep 18
DLH6:27 pmDuluth Intl
16h 26m
2 stops
IDA9:53 amIdaho Falls Fanning Field
$669
United Airlines
Sep 8
IDA5:53 pmIdaho Falls Fanning Field
19h 36m
2 stops
DLH2:29 pmDuluth Intl
Sep 19
DLH6:32 pmDuluth Intl
21h 51m
2 stops
IDA3:23 pmIdaho Falls Fanning Field
$673
United Airlines
Sep 11
IDA4:04 pmIdaho Falls Fanning Field
24h 47m
2 stops
DLH5:51 pmDuluth Intl
Sep 19
DLH6:32 pmDuluth Intl
19h 57m
2 stops
IDA1:29 pmIdaho Falls Fanning Field
$677

momondo 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, momondo users made 832,500 searches. Data last updated July 4, 2026.
Use the filters below to find and compare flights from Idaho Falls to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Wed 8/19

3:17 pm-10:41 pm

2 stops6h 24m

Duluth Intl

Wed 8/26

11:41 am-6:20 pm

2 stops7h 39m

$663

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Tue 9/8

5:53 pm-2:29 pm

2 stops19h 36m

Duluth Intl

Fri 9/18

6:27 pm-9:53 am

2 stops16h 26m

$669

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Tue 9/8

5:53 pm-2:29 pm

2 stops19h 36m

Duluth Intl

Sat 9/19

6:32 pm-3:23 pm

2 stops21h 51m

$673

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Fri 9/11

4:04 pm-5:51 pm

2 stops24h 47m

Duluth Intl

Sat 9/19

6:32 pm-1:29 pm

2 stops19h 57m

$677

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Wed 9/9

4:04 pm-10:42 am

2 stops17h 38m

Duluth Intl

Fri 9/18

6:27 pm-9:53 am

2 stops16h 26m

$684

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Sun 9/6

4:04 pm-5:34 pm

2 stops24h 30m

Duluth Intl

Fri 9/18

6:27 pm-9:53 am

2 stops16h 26m

$688

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Sun 9/6

4:04 pm-5:34 pm

2 stops24h 30m

Duluth Intl

Sat 9/19

6:32 pm-1:29 pm

2 stops19h 57m

$692

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Tue 9/8

6:57 pm-10:35 pm

2 stops26h 38m

Duluth Intl

Wed 9/16

4:11 pm-10:22 pm

2 stops7h 11m

$693

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Tue 9/8

4:04 pm-10:42 am

2 stops17h 38m

Duluth Intl

Mon 9/14

6:27 pm-3:23 pm

2 stops21h 56m

$696

Idaho FallsDuluth

IDA - DLH

IDADLH

Idaho Falls Fanning Field

Sun 9/6

6:00 am-7:44 pm

2 stops12h 44m

Duluth Intl

Wed 9/16

4:11 pm-10:22 pm

2 stops7h 11m

$697

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Idaho Falls to Duluth

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

Cheap Idaho Falls to Duluth (IDA to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Duluth

Fastest flight time

28h 07m

Direct flights

None
The fastest flight from Idaho Falls to Duluth takes 28h 07m
There are no direct flights from Idaho Falls to Duluth. There are no popular flight routes from Idaho Falls to Duluth.
Search flight deals

Frequently asked questions about flying from Idaho Falls to Duluth

  • How far is Idaho Falls Fanning Field to Duluth Intl by plane?

    Duluth Intl is 994.5 mi away from Idaho Falls Fanning Field. Flights usually cover this in 28h 07m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Duluth Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Duluth Intl Airport are updated daily.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Duluth Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Duluth Intl Airport.

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

    The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Idaho Falls to Duluth

  • How do I get Price Alerts for flights from Idaho Falls to Duluth?

    Confirm your travel details to search for the latest offers for flights from Idaho Falls to Duluth. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Idaho Falls 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?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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 Idaho Falls 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 Idaho Falls to Duluth for you.

Can I find flights from Idaho Falls to Duluth with flexible booking policies on momondo?

momondo does allow users to show only those flights to Duluth from Idaho Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho Falls to Duluth?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Duluth from Idaho Falls.

I’m not ready to book a flight from Idaho Falls 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 Idaho Falls and alert you when they change.

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