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Cheap flights from Idaho to Portland from $184

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 Portland departing on 4/15. 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
0 bags

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Find the cheapest flights from Idaho to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:55 am - 12:46 am
BOI
-
PWM
13h 51m
2 stops
Delta Logo
12:52 pm - 10:13 pm
PWM
-
BOI
11h 21m
2 stops
$317Delta
Tue, May 5 - Wed, May 13
Delta Logo
8:55 am - 12:46 am
BOI
-
PWM
13h 51m
2 stops
Delta Logo
12:52 pm - 10:13 pm
PWM
-
BOI
11h 21m
2 stops
$367Delta
Tue, May 5 - Wed, May 13
American Airlines Logo
12:25 pm - 11:34 pm
GEG
-
PWM
8h 09m
1 stop
American Airlines Logo
6:17 am - 11:44 am
PWM
-
GEG
8h 27m
1 stop
$367American Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
5:00 am - 6:25 pm
BOI
-
PWM
11h 25m
2 stops
United Airlines Logo
6:04 am - 11:49 am
PWM
-
BOI
7h 45m
1 stop
$372United Airlines
Wed, Mar 25 - Wed, Apr 1
Delta Logo
8:35 pm - 12:05 pm
BOI
-
PWM
13h 30m
2 stops
Delta Logo
5:21 am - 1:07 pm
PWM
-
BOI
9h 46m
1 stop
$375Delta
Tue, Apr 14 - Thu, Apr 23
Delta Logo
8:35 pm - 12:05 pm
BOI
-
PWM
13h 30m
2 stops
Delta Logo
6:30 am - 7:55 pm
PWM
-
BOI
15h 25m
2 stops
$377Delta
Tue, Apr 14 - Thu, Apr 23
Southwest Logo
7:10 pm - 11:55 am
BOI
-
PWM
14h 45m
2 stops
Southwest Logo
12:30 pm - 11:50 pm
PWM
-
BOI
13h 20m
2 stops
$383Southwest
Wed, Mar 25 - Wed, Apr 1
Delta Logo
11:35 pm - 12:05 pm
BOI
-
PWM
10h 30m
2 stops
Delta Logo
5:21 am - 1:07 pm
PWM
-
BOI
9h 46m
1 stop
$385Delta
Tue, Apr 14 - Thu, Apr 23
American Airlines Logo
1:29 pm - 12:13 am
BOI
-
PWM
8h 44m
1 stop
American Airlines Logo
7:07 am - 12:49 pm
PWM
-
BOI
7h 42m
1 stop
$387American Airlines
Tue, Apr 14 - Thu, Apr 23
United Airlines Logo
7:30 am - 11:50 pm
JAC
-
PWM
14h 20m
2 stops
United Airlines Logo
6:00 am - 5:52 pm
PWM
-
JAC
13h 52m
2 stops
$499United Airlines
Thu, Jun 4 - Tue, Jun 9

United Airlines flights from Idaho to Portland, Maine

Our best United Airlines deals on Idaho to Portland, Maine flight tickets
United Airlines
Mar 25
BOI5:00 amBoise Air Term. Gowen Fld
11h 25m
2 stops
PWM6:25 pmPortland
Apr 1
PWM6:04 amPortland
7h 45m
1 stop
BOI11:49 amBoise Air Term. Gowen Fld
$372
United Airlines
Mar 3
BOI12:16 pmBoise Air Term. Gowen Fld
6h 53m
1 stop
PWM9:09 pmPortland
Mar 4
PWM5:45 amPortland
8h 48m
1 stop
BOI12:33 pmBoise Air Term. Gowen Fld
$467
United Airlines
Mar 3
BOI8:41 amBoise Air Term. Gowen Fld
12h 39m
2 stops
PWM11:20 pmPortland
Mar 4
PWM5:45 amPortland
8h 48m
1 stop
BOI12:33 pmBoise Air Term. Gowen Fld
$472

Delta flights from Idaho to Portland, Maine

Our best Delta deals on Idaho to Portland, Maine flight tickets
Delta
May 5
BOI8:55 amBoise Air Term. Gowen Fld
13h 51m
2 stops
PWM12:46 amPortland
May 13
PWM12:52 pmPortland
11h 21m
2 stops
BOI10:13 pmBoise Air Term. Gowen Fld
$317
Delta
May 5
BOI8:55 amBoise Air Term. Gowen Fld
13h 51m
2 stops
PWM12:46 amPortland
May 13
PWM12:52 pmPortland
11h 21m
2 stops
BOI10:13 pmBoise Air Term. Gowen Fld
$367
Delta
Apr 14
BOI8:35 pmBoise Air Term. Gowen Fld
13h 30m
2 stops
PWM12:05 pmPortland
Apr 23
PWM5:21 amPortland
9h 46m
1 stop
BOI1:07 pmBoise Air Term. Gowen Fld
$375

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Portland, Maine 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 February 13, 2026.
Use the filters below to find and compare flights from Idaho to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 5/5

8:55 am-12:46 am

2 stops13h 51m

Portland

Wed 5/13

12:52 pm-10:13 pm

2 stops11h 21m

$317

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 5/5

8:55 am-12:46 am

2 stops13h 51m

Portland

Wed 5/13

12:52 pm-10:13 pm

2 stops11h 21m

$367

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 3/18

12:25 pm-11:34 pm

1 stop8h 09m

Portland

Wed 3/25

6:17 am-11:44 am

1 stop8h 27m

$367

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 3/25

5:00 am-6:25 pm

2 stops11h 25m

Portland

Wed 4/1

6:04 am-11:49 am

1 stop7h 45m

$372

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

8:35 pm-12:05 pm

2 stops13h 30m

Portland

Thu 4/23

5:21 am-1:07 pm

1 stop9h 46m

$375

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

8:35 pm-12:05 pm

2 stops13h 30m

Portland

Thu 4/23

6:30 am-7:55 pm

2 stops15h 25m

$377

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 3/25

7:10 pm-11:55 am

2 stops14h 45m

Portland

Wed 4/1

12:30 pm-11:50 pm

2 stops13h 20m

$383

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

11:35 pm-12:05 pm

2 stops10h 30m

Portland

Thu 4/23

5:21 am-1:07 pm

1 stop9h 46m

$385

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

1:29 pm-12:13 am

1 stop8h 44m

Portland

Thu 4/23

7:07 am-12:49 pm

1 stop7h 42m

$387

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Thu 6/4

7:30 am-11:50 pm

2 stops14h 20m

Portland

Tue 6/9

6:00 am-5:52 pm

2 stops13h 52m

$499

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 Portland from

How to get the cheapest flight ticket from Idaho to Portland, Maine

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

Can stopping save me money on Idaho to Portland, Maine flights?

You could potentially save up to 15% on your flight if you consider stops on a Idaho to Portland, Maine flight.

Cheap Idaho to Portland, Maine flight deals and tips

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

Fastest flight time

6h 53m

Direct flights

None
The fastest flight from Idaho to Portland, Maine takes 6h 53m
There are no direct flights from Idaho to Portland, Maine. There are no popular flight routes from Idaho to Portland, Maine.
Search flight deals

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

    Prices for flights from Idaho to Portland Airport refresh daily.

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

  • How old do you have to be to fly from Idaho to Portland 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 Portland Airport.

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

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Portland, Maine

Compare and see reviews for airlines that fly from Idaho to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $364Free CancellationRating
7.2
11,283 reviews
Search American Airlines flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
9,287 reviews
Search United Airlines flights
SouthwestPriceFrom $410Free CancellationRating
8.0
4,283 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Portland. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Portland from Idaho with this policy.

How can momondo help me find flights from Idaho to Portland?

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 Portland from Idaho.

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

Yes momondo offers price alerts on flights to Portland from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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