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Cheap flights from Idaho to Duluth from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Duluth departing on 9/5. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:36 am - 11:22 pm
BOI
-
DLH
11h 46m
2 stops
United Airlines Logo
7:45 am - 7:24 pm
DLH
-
BOI
12h 39m
2 stops
$409United Airlines
Sat, Aug 29 - Tue, Sep 1
Delta Logo
9:23 am - 7:25 pm
GEG
-
DLH
8h 02m
2 stops
Delta Logo
11:43 am - 6:50 pm
DLH
-
GEG
9h 07m
2 stops
$467Delta
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
7:05 pm - 10:42 am
BOI
-
DLH
14h 37m
2 stops
United Airlines Logo
6:27 pm - 9:35 am
DLH
-
BOI
16h 08m
2 stops
$522United Airlines
Sat, Sep 12 - Wed, Sep 16
United Airlines Logo
10:36 am - 11:22 pm
BOI
-
DLH
11h 46m
2 stops
United Airlines Logo
7:45 am - 11:28 am
DLH
-
BOI
28h 43m
1 stop
$523United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
1:49 pm - 11:04 pm
GEG
-
DLH
31h 15m
3 stops
United Airlines Logo
7:35 am - 9:01 pm
DLH
-
GEG
15h 26m
2 stops
$529United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
5:00 am - 10:44 am
GEG
-
DLH
27h 44m
2 stops
United Airlines Logo
7:35 am - 9:01 pm
DLH
-
GEG
15h 26m
2 stops
$533United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
10:36 am - 11:22 pm
BOI
-
DLH
11h 46m
2 stops
United Airlines Logo
7:45 am - 11:28 am
DLH
-
BOI
28h 43m
1 stop
$552United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
5:00 am - 10:44 am
GEG
-
DLH
27h 44m
2 stops
United Airlines Logo
7:35 am - 9:01 pm
DLH
-
GEG
15h 26m
2 stops
$557United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
1:49 pm - 11:04 pm
GEG
-
DLH
31h 15m
3 stops
United Airlines Logo
7:35 am - 3:15 pm
DLH
-
GEG
9h 40m
2 stops
$564United Airlines
Tue, Nov 10 - Sat, Nov 14
Delta Logo
9:23 am - 7:25 pm
GEG
-
DLH
8h 02m
2 stops
Delta Logo
5:15 am - 11:48 pm
DLH
-
GEG
20h 33m
2 stops
$596Delta
Thu, Sep 24 - Sun, Sep 27

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Delta flights from Idaho to Duluth

Our best Delta deals on Idaho to Duluth flight tickets
Delta
Aug 8
GEG6:45 amSpokane
6h 46m
1 stop
DLH3:31 pmDuluth Intl
Aug 14
DLH5:15 amDuluth Intl
12h 21m
2 stops
GEG3:36 pmSpokane
$673
Delta
Aug 8
BOI5:30 amBoise Air Term. Gowen Fld
4h 31m
1 stop
DLH11:01 amDuluth Intl
Aug 14
DLH8:18 amDuluth Intl
6h 24m
1 stop
BOI1:42 pmBoise Air Term. Gowen Fld
$743
Delta
Aug 6
GEG6:16 amSpokane
11h 28m
2 stops
DLH7:44 pmDuluth Intl
Aug 9
DLH8:18 amDuluth Intl
6h 39m
1 stop
GEG12:57 pmSpokane
$774

United Airlines flights from Idaho to Duluth

Our best United Airlines deals on Idaho to Duluth flight tickets
United Airlines
Aug 29
BOI10:36 amBoise Air Term. Gowen Fld
11h 46m
2 stops
DLH11:22 pmDuluth Intl
Sep 1
DLH7:45 amDuluth Intl
12h 39m
2 stops
BOI7:24 pmBoise Air Term. Gowen Fld
$409
United Airlines
Sep 12
BOI7:05 pmBoise Air Term. Gowen Fld
14h 37m
2 stops
DLH10:42 amDuluth Intl
Sep 16
DLH6:27 pmDuluth Intl
16h 08m
2 stops
BOI9:35 amBoise Air Term. Gowen Fld
$522
United Airlines
Aug 29
BOI10:36 amBoise Air Term. Gowen Fld
11h 46m
2 stops
DLH11:22 pmDuluth Intl
Sep 1
DLH7:45 amDuluth Intl
28h 43m
1 stop
BOI11:28 amBoise Air Term. Gowen Fld
$523

momondo 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, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Idaho to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseDuluth

BOI - DLH

BOIDLH

Boise Air Term. Gowen Fld

Sat 8/29

10:36 am-11:22 pm

2 stops11h 46m

Duluth Intl

Tue 9/1

7:45 am-7:24 pm

2 stops12h 39m

$409
Quickest round-trip

SpokaneDuluth

GEG - DLH

GEGDLH

Spokane

Thu 9/24

9:23 am-7:25 pm

2 stops8h 02m

Duluth Intl

Mon 9/28

11:43 am-6:50 pm

2 stops9h 07m

$467

BoiseDuluth

BOI - DLH

BOIDLH

Boise Air Term. Gowen Fld

Sat 9/12

7:05 pm-10:42 am

2 stops14h 37m

Duluth Intl

Wed 9/16

6:27 pm-9:35 am

2 stops16h 08m

$522

BoiseDuluth

BOI - DLH

BOIDLH

Boise Air Term. Gowen Fld

Sat 8/29

10:36 am-11:22 pm

2 stops11h 46m

Duluth Intl

Tue 9/1

7:45 am-11:28 am

1 stop28h 43m

$523

SpokaneDuluth

GEG - DLH

GEGDLH

Spokane

Tue 11/10

1:49 pm-11:04 pm

3 stops31h 15m

Duluth Intl

Sat 11/14

7:35 am-9:01 pm

2 stops15h 26m

$529

SpokaneDuluth

GEG - DLH

GEGDLH

Spokane

Tue 11/10

5:00 am-10:44 am

2 stops27h 44m

Duluth Intl

Sat 11/14

7:35 am-9:01 pm

2 stops15h 26m

$533

BoiseDuluth

BOI - DLH

BOIDLH

Boise Air Term. Gowen Fld

Sat 8/29

10:36 am-11:22 pm

2 stops11h 46m

Duluth Intl

Tue 9/1

7:45 am-11:28 am

1 stop28h 43m

$552

SpokaneDuluth

GEG - DLH

GEGDLH

Spokane

Tue 11/10

5:00 am-10:44 am

2 stops27h 44m

Duluth Intl

Sat 11/14

7:35 am-9:01 pm

2 stops15h 26m

$557

SpokaneDuluth

GEG - DLH

GEGDLH

Spokane

Tue 11/10

1:49 pm-11:04 pm

3 stops31h 15m

Duluth Intl

Sat 11/14

7:35 am-3:15 pm

2 stops9h 40m

$564

SpokaneDuluth

GEG - DLH

GEGDLH

Spokane

Thu 9/24

9:23 am-7:25 pm

2 stops8h 02m

Duluth Intl

Sun 9/27

5:15 am-11:48 pm

2 stops20h 33m

$596

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Duluth from

How to get the cheapest flight ticket from Idaho to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Idaho to Duluth Intl?

Delta and United Airlines are the most popular carriers operating from Idaho to Duluth Intl

Cheap Idaho to Duluth flight deals and tips

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

Fastest flight time

6h 46m

Direct flights

None
The fastest flight from Idaho to Duluth takes 6h 46m
There are no direct flights from Idaho to Duluth. There are no popular flight routes from Idaho to Duluth.
Search flight deals

Frequently asked questions about flying from Idaho to Duluth

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

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

  • How many operators does momondo search for flights from Idaho to Duluth Intl Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Duluth Intl Airport.

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

    The travel and health documents you'll need for your trip to Duluth Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Duluth Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Duluth

Compare and see reviews for airlines that fly from Idaho to Duluth with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $333Free CancellationRating
7.8
8,466 reviews
Search Delta flights

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 to Duluth?

Finding the right flight to Duluth from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Duluth quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Idaho to Duluth flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho 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.

I’m not ready to book a flight from Idaho to Duluth right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Duluth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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