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Cheap flights from Idaho to Portland from $194

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 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:40 am - 12:20 amBOI-PWM
16h 40m2 stops
Delta Logo
2:35 pm - 1:06 pmPWM-BOI
24h 31m2 stops
$340Delta
Find Deal
Tue, Mar 3 - Thu, Mar 5
Delta Logo
7:10 am - 12:20 amGEG-PWM
14h 10m2 stops
Delta Logo
2:35 pm - 12:06 amPWM-GEG
12h 31m2 stops
$340Delta
Find Deal
Tue, Mar 3 - Thu, Mar 5
Delta Logo
7:15 pm - 12:08 pmBOI-PWM
14h 53m2 stops
Delta Logo
5:30 am - 6:28 pmPWM-BOI
14h 58m2 stops
$349Delta
Find Deal
Fri, Feb 6 - Tue, Feb 10
Delta Logo
1:41 pm - 11:04 pmBOI-PWM
7h 23m1 stop
Delta Logo
2:35 pm - 1:06 pmPWM-BOI
24h 31m2 stops
$353Delta
Find Deal
Tue, Mar 3 - Thu, Mar 5
Southwest Logo
6:35 am - 10:15 pmGEG-PWM
12h 40m2 stops
Southwest Logo
12:45 pm - 10:25 pmPWM-GEG
12h 40m2 stops
$477Southwest
Find Deal
Wed, Dec 17 - Thu, Dec 25
American Airlines Logo
5:17 am - 11:37 pmGEG-PWM
15h 20m2 stops
American Airlines Logo
7:11 am - 8:57 pmPWM-GEG
16h 46m2 stops
$493American Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
United Airlines Logo
6:30 pm - 9:29 amGEG-PWM
11h 59m2 stops
United Airlines Logo
6:00 am - 6:51 pmPWM-GEG
15h 51m2 stops
$580United Airlines
Find Deal
Sat, Mar 28 - Sat, Apr 4
United Airlines Logo
7:00 am - 11:20 pmJAC-PWM
14h 20m2 stops
United Airlines Logo
5:45 am - 3:21 pmPWM-JAC
11h 36m2 stops
$585United Airlines
Find Deal
Fri, Feb 27 - Tue, Mar 3
American Airlines Logo
5:25 am - 11:41 pmGEG-PWM
15h 16m2 stops
American Airlines Logo
12:06 pm - 12:32 pmPWM-GEG
27h 26m1 stop
$700American Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
Southwest Logo
6:35 am - 10:15 pmGEG-PWM
12h 40m2 stops
Southwest Logo
3:15 pm - 1:05 amPWM-GEG
12h 50m2 stops
$702Southwest
Find Deal
Wed, Dec 17 - Sun, Dec 28

Delta flights from Idaho to Portland, Maine

Our best Delta deals on Idaho to Portland, Maine flight tickets
Delta
Mar 3
BOI5:40 amBoise Air Term. Gowen Fld
16h 40m
2 stops
PWM12:20 amPortland
Mar 5
PWM2:35 pmPortland
24h 31m
2 stops
BOI1:06 pmBoise Air Term. Gowen Fld
$340
Find similar
Delta
Feb 6
BOI7:15 pmBoise Air Term. Gowen Fld
14h 53m
2 stops
PWM12:08 pmPortland
Feb 10
PWM5:30 amPortland
14h 58m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
$349
Find similar
Delta
Mar 3
BOI1:41 pmBoise Air Term. Gowen Fld
7h 23m
1 stop
PWM11:04 pmPortland
Mar 5
PWM2:35 pmPortland
24h 31m
2 stops
BOI1:06 pmBoise Air Term. Gowen Fld
$353
Find similar

Southwest flights from Idaho to Portland, Maine

Our best Southwest deals on Idaho to Portland, Maine flight tickets
Southwest
Dec 17
GEG6:35 amSpokane
12h 40m
2 stops
PWM10:15 pmPortland
Dec 25
PWM12:45 pmPortland
12h 40m
2 stops
GEG10:25 pmSpokane
$477
Find similar
Southwest
Dec 17
GEG6:35 amSpokane
12h 40m
2 stops
PWM10:15 pmPortland
Dec 28
PWM3:15 pmPortland
12h 50m
2 stops
GEG1:05 amSpokane
$702
Find similar

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 November 10, 2025.
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 3/3

5:40 am-12:20 am

2 stops16h 40m

Portland

Thu 3/5

2:35 pm-1:06 pm

2 stops24h 31m

$340

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Tue 3/3

7:10 am-12:20 am

2 stops14h 10m

Portland

Thu 3/5

2:35 pm-12:06 am

2 stops12h 31m

$340

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 2/6

7:15 pm-12:08 pm

2 stops14h 53m

Portland

Tue 2/10

5:30 am-6:28 pm

2 stops14h 58m

$349

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 3/3

1:41 pm-11:04 pm

1 stop7h 23m

Portland

Thu 3/5

2:35 pm-1:06 pm

2 stops24h 31m

$353

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 12/17

6:35 am-10:15 pm

2 stops12h 40m

Portland

Thu 12/25

12:45 pm-10:25 pm

2 stops12h 40m

$477

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sun 12/7

5:17 am-11:37 pm

2 stops15h 20m

Portland

Sun 12/14

7:11 am-8:57 pm

2 stops16h 46m

$493

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 3/28

6:30 pm-9:29 am

2 stops11h 59m

Portland

Sat 4/4

6:00 am-6:51 pm

2 stops15h 51m

$580

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Fri 2/27

7:00 am-11:20 pm

2 stops14h 20m

Portland

Tue 3/3

5:45 am-3:21 pm

2 stops11h 36m

$585

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sun 11/23

5:25 am-11:41 pm

2 stops15h 16m

Portland

Thu 11/27

12:06 pm-12:32 pm

1 stop27h 26m

$700

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 12/17

6:35 am-10:15 pm

2 stops12h 40m

Portland

Sun 12/28

3:15 pm-1:05 am

2 stops12h 50m

$702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Idaho is on a Saturday. momondo users have found tickets for Saturday departures for as low as $503. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,097.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from Idaho to Portland, Maine when you can find flight prices for as low as $501. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $830. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
SouthwestPriceFrom $410Free CancellationRating
8.0
4,235 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
Lewiston
Freeport
Brunswick
Bartlett
Auburn
Gorham
Windham
Intervale
Oxford
Bath
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.

An easier way to manage your Portland, Maine trip

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