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Cheap flights from Idaho to Portland from $203

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 7/28. 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
7:54 pm - 10:45 am
GEG
-
PWM
11h 51m
2 stops
Delta Logo
6:00 am - 11:24 am
PWM
-
GEG
8h 24m
1 stop
$400Delta
Tue, Aug 25 - Tue, Sep 1
Delta Logo
8:25 am - 11:14 pm
BOI
-
PWM
12h 49m
2 stops
Delta Logo
6:00 am - 5:51 pm
PWM
-
BOI
13h 51m
2 stops
$405Delta
Tue, Jul 21 - Tue, Jul 28
Delta Logo
7:54 pm - 10:45 am
GEG
-
PWM
11h 51m
2 stops
Delta Logo
4:50 pm - 11:04 pm
PWM
-
GEG
9h 14m
2 stops
$405Delta
Tue, Aug 25 - Tue, Sep 1
Delta Logo
5:36 am - 11:20 pm
GEG
-
PWM
14h 44m
2 stops
Delta Logo
6:00 am - 11:24 am
PWM
-
GEG
8h 24m
1 stop
$413Delta
Thu, Aug 20 - Tue, Sep 1
American Airlines Logo
9:04 am - 11:37 pm
GEG
-
PWM
11h 33m
2 stops
American Airlines Logo
7:14 am - 11:35 am
PWM
-
GEG
7h 21m
1 stop
$429American Airlines
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
3:10 pm - 12:43 am
BOI
-
PWM
7h 33m
1 stop
American Airlines Logo
6:10 am - 2:20 pm
PWM
-
BOI
10h 10m
1 stop
$442American Airlines
Fri, Jul 10 - Wed, Jul 15
American Airlines Logo
3:10 pm - 12:37 am
BOI
-
PWM
7h 27m
1 stop
American Airlines Logo
6:00 am - 2:20 pm
PWM
-
BOI
10h 20m
1 stop
$445American Airlines
Fri, Jul 10 - Wed, Jul 15
United Airlines Logo
10:51 am - 11:59 pm
JAC
-
PWM
11h 08m
2 stops
United Airlines Logo
5:30 am - 1:29 pm
PWM
-
JAC
9h 59m
2 stops
$519United Airlines
Wed, Nov 4 - Sun, Nov 8
United Airlines Logo
7:00 am - 3:49 pm
JAC
-
PWM
6h 49m
1 stop
United Airlines Logo
5:30 am - 1:29 pm
PWM
-
JAC
9h 59m
2 stops
$552United Airlines
Wed, Nov 4 - Sun, Nov 8
United Airlines Logo
12:30 pm - 9:51 pm
IDA
-
PWM
7h 21m
1 stop
United Airlines Logo
3:31 pm - 9:07 pm
PWM
-
IDA
7h 36m
1 stop
$597United Airlines
Sat, May 30 - Wed, Jun 3

Delta flights from Idaho to Portland, Maine

Our best Delta deals on Idaho to Portland, Maine flight tickets
Delta
Aug 25
GEG7:54 pmSpokane
11h 51m
2 stops
PWM10:45 amPortland
Sep 1
PWM6:00 amPortland
8h 24m
1 stop
GEG11:24 amSpokane
$400
Delta
Aug 25
GEG7:54 pmSpokane
11h 51m
2 stops
PWM10:45 amPortland
Sep 1
PWM4:50 pmPortland
9h 14m
2 stops
GEG11:04 pmSpokane
$405
Delta
Aug 20
GEG5:36 amSpokane
14h 44m
2 stops
PWM11:20 pmPortland
Sep 1
PWM6:00 amPortland
8h 24m
1 stop
GEG11:24 amSpokane
$413

Southwest flights from Idaho to Portland, Maine

Our best Southwest deals on Idaho to Portland, Maine flight tickets
Southwest
Aug 6
GEG6:55 amSpokane
12h 30m
2 stops
PWM10:25 pmPortland
Aug 20
PWM5:55 amPortland
12h 05m
2 stops
GEG3:00 pmSpokane
$460
Southwest
Sep 2
GEG7:30 amSpokane
10h 40m
2 stops
PWM9:10 pmPortland
Sep 6
PWM12:50 pmPortland
12h 10m
2 stops
GEG10:00 pmSpokane
$463
Southwest
Jul 7
BOI7:55 pmBoise Air Term. Gowen Fld
12h 00m
2 stops
PWM9:55 amPortland
Jul 14
PWM3:45 pmPortland
10h 40m
2 stops
BOI12:25 amBoise Air Term. Gowen Fld
$469

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 May 20, 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

Cheapest round-trip

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Tue 8/25

7:54 pm-10:45 am

2 stops11h 51m

Portland

Tue 9/1

6:00 am-11:24 am

1 stop8h 24m

$400

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 7/21

8:25 am-11:14 pm

2 stops12h 49m

Portland

Tue 7/28

6:00 am-5:51 pm

2 stops13h 51m

$405

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Tue 8/25

7:54 pm-10:45 am

2 stops11h 51m

Portland

Tue 9/1

4:50 pm-11:04 pm

2 stops9h 14m

$405

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 8/20

5:36 am-11:20 pm

2 stops14h 44m

Portland

Tue 9/1

6:00 am-11:24 am

1 stop8h 24m

$413

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 10/17

9:04 am-11:37 pm

2 stops11h 33m

Portland

Sat 10/24

7:14 am-11:35 am

1 stop7h 21m

$429

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 7/10

3:10 pm-12:43 am

1 stop7h 33m

Portland

Wed 7/15

6:10 am-2:20 pm

1 stop10h 10m

$442

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 7/10

3:10 pm-12:37 am

1 stop7h 27m

Portland

Wed 7/15

6:00 am-2:20 pm

1 stop10h 20m

$445

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Wed 11/4

10:51 am-11:59 pm

2 stops11h 08m

Portland

Sun 11/8

5:30 am-1:29 pm

2 stops9h 59m

$519

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Wed 11/4

7:00 am-3:49 pm

1 stop6h 49m

Portland

Sun 11/8

5:30 am-1:29 pm

2 stops9h 59m

$552
Quickest round-trip

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 5/30

12:30 pm-9:51 pm

1 stop7h 21m

Portland

Wed 6/3

3:31 pm-9:07 pm

1 stop7h 36m

$597

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

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Idaho is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $350.

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

You could potentially save up to 20% 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 44m

Direct flights

None
The fastest flight from Idaho to Portland, Maine takes 6h 44m
There are no direct flights from Idaho to Portland, Maine. There are no popular flight routes from Idaho to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Idaho to Portland, Maine

  • 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 $350Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
SouthwestPriceFrom $410Free CancellationRating
7.9
4,285 reviews
Search Southwest flights
United AirlinesPriceFrom $483Free CancellationRating
7.4
9,736 reviews
Search United Airlines 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
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.

An easier way to manage your Portland, Maine trip

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