What is the cheapest airline that flies from Idaho to Portland?

Southwest, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Idaho to Portland

How many flights depart from Idaho to Portland on average per week?

As of August 2025, there are 138 flights per week flying from Idaho to Portland. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

How many flights depart from Idaho to Portland on average per day?

As of August 2025, there are 19 flights per day flying from Idaho to Portland. The most common time of day flights depart is 8:00PM, with 39% of flights taking off in the afternoon.

What airlines fly to Portland?

Alaska Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Portland from Idaho according to our data. Alaska Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Portland?

On average, it takes 1h 19m to fly from Idaho to Portland if you fly out of Boise (the most popular airport in Idaho) and into Portland (the most popular airport in Portland). If you’re flying out of Idaho Falls and into Portland, then the flight time is around 1h 37m.

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?

As of August 2025, there are 6 operators available to choose from 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.

$63 Cheap Flights from Idaho to Portland in 2025

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Find the cheapest flights from Idaho to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 pm - 4:22 pmBOI-PDX

1h 22mnonstop

9:40 pm - 11:59 pmPDX-BOI

1h 19mnonstop

$117Alaska Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

4:00 pm - 11:35 pmBOI-PDX

8h 35m1 stop

5:30 am - 1:00 pmPDX-BOI

6h 30m1 stop

$132Southwest

Find Deal

Mon, Nov 10 - Thu, Nov 13

3:30 pm - 4:46 pmGEG-PDX

1h 16mnonstop

10:32 am - 11:44 amPDX-GEG

1h 12mnonstop

$133Hawaiian Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

6:00 am - 6:20 amBOI-PDX

1h 20mnonstop

7:02 am - 9:20 amPDX-BOI

1h 18mnonstop

$134Hawaiian Airlines

Find Deal

Sat, Aug 30 - Sun, Aug 31

5:45 am - 8:17 amBOI-PDX

3h 32m1 stop

7:15 am - 1:25 pmPDX-BOI

5h 10m1 stop

$157Delta

Find Deal

Sat, Aug 30 - Sun, Aug 31

5:00 am - 8:15 amGEG-PDX

3h 15m1 stop

5:30 am - 8:35 amPDX-GEG

3h 05m1 stop

$157Delta

Find Deal

Tue, Sep 2 - Tue, Sep 9

9:26 pm - 7:23 pmBOI-PDX

22h 57m1 stop

8:18 pm - 8:31 pmPDX-BOI

23h 13m1 stop

$165Spirit Airlines

Find Deal

Fri, Sep 5 - Sun, Sep 7

2:16 pm - 7:04 pmBOI-PDX

5h 48m1 stop

8:04 pm - 1:21 pmPDX-BOI

16h 17m1 stop

$171Spirit Airlines

Find Deal

Thu, Oct 16 - Sat, Oct 18

2:40 pm - 6:36 pmBOI-PDX

4h 56m1 stop

7:30 am - 1:44 pmPDX-BOI

5h 14m1 stop

$243United Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

10:45 am - 5:21 pmJAC-PDX

7h 36m1 stop

10:55 am - 5:42 pmPDX-JAC

5h 47m1 stop

$403United Airlines

Find Deal

Fri, Aug 29 - Sun, Aug 31

Spirit Airlines flights from Idaho to Portland

Our best Spirit Airlines deals on Idaho to Portland flight tickets

Spirit Airlines

Sep 5

BOI9:26 pmBoise Air Term. Gowen Fld

22h 57m

1 stop

PDX7:23 pmPortland

Sep 7

PDX8:18 pmPortland

23h 13m

1 stop

BOI8:31 pmBoise Air Term. Gowen Fld

$165

Find similar

Spirit Airlines

Oct 16

BOI2:16 pmBoise Air Term. Gowen Fld

5h 48m

1 stop

PDX7:04 pmPortland

Oct 18

PDX8:04 pmPortland

16h 17m

1 stop

BOI1:21 pmBoise Air Term. Gowen Fld

$171

Find similar

Spirit Airlines

Sep 5

BOI9:26 pmBoise Air Term. Gowen Fld

22h 57m

1 stop

PDX7:23 pmPortland

Sep 7

PDX8:18 pmPortland

23h 13m

1 stop

BOI8:31 pmBoise Air Term. Gowen Fld

$175

Find similar

Hawaiian Airlines flights from Idaho to Portland

Our best Hawaiian Airlines deals on Idaho to Portland flight tickets

Hawaiian Airlines

Sep 20

GEG3:30 pmSpokane

1h 16m

PDX4:46 pmPortland

Sep 27

PDX10:32 amPortland

1h 12m

GEG11:44 amSpokane

$133

Find similar

Hawaiian Airlines

Aug 30

BOI6:00 amBoise Air Term. Gowen Fld

1h 20m

PDX6:20 amPortland

Aug 31

PDX7:02 amPortland

1h 18m

BOI9:20 amBoise Air Term. Gowen Fld

$134

Find similar

Hawaiian Airlines

Aug 30

BOI6:00 amBoise Air Term. Gowen Fld

1h 20m

PDX6:20 amPortland

Aug 31

PDX4:46 pmPortland

6h 13m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

$138

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Tue 9/2

4:00 pm-4:22 pm

Nonstop1h 22m

Portland

Tue 9/9

9:40 pm-11:59 pm

Nonstop1h 19m

$117

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Mon 11/10

4:00 pm-11:35 pm

1 stop8h 35m

Portland

Thu 11/13

5:30 am-1:00 pm

1 stop6h 30m

$132

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Sat 9/20

3:30 pm-4:46 pm

Nonstop1h 16m

Portland

Sat 9/27

10:32 am-11:44 am

Nonstop1h 12m

$133

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Sat 8/30

6:00 am-6:20 am

Nonstop1h 20m

Portland

Sun 8/31

7:02 am-9:20 am

Nonstop1h 18m

$134

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Sat 8/30

5:45 am-8:17 am

1 stop3h 32m

Portland

Sun 8/31

7:15 am-1:25 pm

1 stop5h 10m

$157

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Tue 9/2

5:00 am-8:15 am

1 stop3h 15m

Portland

Tue 9/9

5:30 am-8:35 am

1 stop3h 05m

$157

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Fri 9/5

9:26 pm-7:23 pm

1 stop22h 57m

Portland

Sun 9/7

8:18 pm-8:31 pm

1 stop23h 13m

$165

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Thu 10/16

2:16 pm-7:04 pm

1 stop5h 48m

Portland

Sat 10/18

8:04 pm-1:21 pm

1 stop16h 17m

$171

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Thu 11/20

2:40 pm-6:36 pm

1 stop4h 56m

Portland

Sun 11/23

7:30 am-1:44 pm

1 stop5h 14m

$243

JacksonPortland

JAC - PDX

JACPDX

Jackson Hole

Fri 8/29

10:45 am-5:21 pm

1 stop7h 36m

Portland

Sun 8/31

10:55 am-5:42 pm

1 stop5h 47m

$403

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Portland

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

Prices

Airlines

Other information

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Idaho is in February. Flight prices, which tend to average around $207, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until May to fly from Idaho, when ticket prices are also cheap, with an average price of $217.

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

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $422.

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

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $315. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $396 per ticket.

What is the cheapest Idaho to Portland flight route?

Fly from Idaho Falls Fanning Field to Portland for the best Idaho - Portland flight prices

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $257 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Idaho for as low as $176 on momondo.

What cabin class options are available on Idaho to Portland flights?

There are 4 cabin classes available to choose from on Idaho to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Portland flights?

No. A direct flight is the cheapest option for a flight between Idaho to Portland.

Cheap Idaho to Portland flight deals and tips

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

Best Price Found	$63
Fastest flight time	1h 06m
Direct flights	Every day
Airports in Portland	1 airport

The best one-way flight to Portland from Idaho in the past 72 hours is $63. The best round-trip flight deal from Idaho to Portland found on momondo in the last 72 hours is $117.

The fastest flight from Idaho to Portland takes 1h 06m

Direct flights go from Idaho to Portland every day.

There is 1 airport near Portland: Portland (PDX)

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?
As of August 2025, there are 6 operators available to choose from 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.
What is the most popular plane model from Idaho to Portland?
Based on momondo bookings for flights between Idaho and Portland, the leading plane model is Embraer 175, making up 38.50% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 15.51%, Boeing 737 with 14.53%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 12.98%.

Best airlines flying from Idaho to Portland

Compare and see reviews for airlines that fly from Idaho to Portland with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $51	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
Hawaiian Airlines	PriceFrom $121	Free Cancellation	Rating 7.8 2,631 reviews	Search Hawaiian Airlines flights
Spirit Airlines	PriceFrom $122	Free Cancellation	Rating 6.3 8,055 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $156	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $159	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
United Airlines	PriceFrom $176	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights

Lincoln City

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Cannon Beach

Vancouver

Salem

Astoria

Long Beach

Depoe Bay

Beaverton

Rockaway Beach

Hood River

Hillsboro

Gresham

McMinnville

Tigard

Longview

Pacific City

The Dalles

Manzanita

Tillamook

Why use momondo?

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

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 to Portland for you.

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

Flights from Idaho to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Idaho and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Idaho to Portland 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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Cheap flights from Idaho to Portland from $63

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 9/8. 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Idaho to Portland

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Spirit Airlines flights from Idaho to Portland

Our best Spirit Airlines deals on Idaho to Portland flight tickets

Hawaiian Airlines flights from Idaho to Portland

Our best Hawaiian Airlines deals on Idaho to Portland flight tickets

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How to get the cheapest flight ticket from Idaho to Portland

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?

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

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $422.

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

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $315. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $396 per ticket.

What is the cheapest Idaho to Portland flight route?

Fly from Idaho Falls Fanning Field to Portland for the best Idaho - Portland flight prices

How far in advance should I book a flight to Portland?

What cabin class options are available on Idaho to Portland flights?

There are 4 cabin classes available to choose from on Idaho to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Portland flights?

No. A direct flight is the cheapest option for a flight between Idaho to Portland.

What is the cheapest airline that flies from Idaho to Portland?

Southwest, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Idaho to Portland

What airlines fly to Portland?

How many flights depart from Idaho to Portland on average per day?

As of August 2025, there are 19 flights per day flying from Idaho to Portland. The most common time of day flights depart is 8:00PM, with 39% of flights taking off in the afternoon.

How many flights depart from Idaho to Portland on average per week?

As of August 2025, there are 138 flights per week flying from Idaho to Portland. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

How long does it take to fly to Portland?

On average, it takes 1h 19m to fly from Idaho to Portland if you fly out of Boise (the most popular airport in Idaho) and into Portland (the most popular airport in Portland). If you’re flying out of Idaho Falls and into Portland, then the flight time is around 1h 37m.

Cheap Idaho to Portland flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Portland

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

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?

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

What is the most popular plane model from Idaho to Portland?

Best airlines flying from Idaho to Portland

Compare and see reviews for airlines that fly from Idaho to Portland with momondo

Traveling to a place near Portland?

Why use momondo?

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

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

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

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

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Oregon