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$78+ Cheap flights from Idaho to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PDX
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Idaho to Portland

Cheapest flights from Idaho to Portland
Explore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:33 pmGEG - PDX
Nonstop1h 17mHawaiian Airlines
Sun 11/96:00 amPDX - GEG
1 stop3h 35mHawaiian Airlines
Deal found 10/16$132
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:33 pmGEG - PDX
Nonstop1h 17mAlaska Airlines
Tue 11/1110:31 amPDX - GEG
Nonstop1h 08mAlaska Airlines
Deal found 10/16$137
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:03 amBOI - PDX
1 stop4h 29mAlaska Airlines
Tue 12/165:35 pmPDX - BOI
Nonstop1h 11mAlaska Airlines
Deal found 10/16$140
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:30 pmBOI - PDX
1 stop6h 25mSouthwest
Thu 11/207:00 amPDX - BOI
1 stop4h 20mSouthwest
Deal found 10/16$144
This Alaska Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:35 amGEG - PDX
1 stop13h 02mAlaska Airlines
Sun 11/167:30 amPDX - GEG
1 stop16h 52mAlaska Airlines
Deal found 10/14$146
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:45 pmBOI - PDX
1 stop3h 56mDelta
Sat 11/155:30 amPDX - BOI
1 stop6h 40mDelta
Deal found 10/14$147
This Alaska Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:00 amGEG - PDX
Nonstop1h 26mAlaska Airlines
Fri 11/287:00 amPDX - GEG
Nonstop1h 13mAlaska Airlines
Deal found 10/13$147
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:28 amBOI - PDX
1 stop3h 38mAlaska Airlines
Mon 11/102:49 pmPDX - BOI
Nonstop1h 22mAlaska Airlines
Deal found 10/15$150
This Cheapflightsfares deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:35 amGEG - PDX
1 stop2h 57mAlaska Airlines
Sun 11/169:59 pmPDX - GEG
Nonstop1h 16mAlaska Airlines
Deal found 10/13$150
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:40 pmBOI - PDX
1 stop4h 30mSouthwest
Mon 11/103:55 pmPDX - BOI
1 stop7h 40mSouthwest
Deal found 10/15$151
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:28 amBOI - PDX
1 stop5h 04mAlaska Airlines
Sun 11/97:13 amPDX - BOI
Nonstop1h 12mAlaska Airlines
Deal found 10/15$152
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:51 amGEG - PDX
1 stop4h 32mAlaska Airlines
Sun 11/239:49 pmPDX - GEG
Nonstop1h 12mAlaska Airlines
Deal found 10/15$152

Cheap flight deals from Idaho to Portland

Keep the following information in mind while searching for Idaho to Portland flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$132
(Kiwi.com)

One-way from

$78
(Alaska Airlines)

Popular in

March

Cheapest in

August

Average price

$245

Good round-trip deal

$236 or less

Good one-way deal

$212 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Portland flights.
Search Deals
From Idaho to Portland
Search Deals
One-way flight from Idaho to Portland
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Idaho to Portland.
Search Deals
Price to beat on a one-way flight from Idaho to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Idaho to Portland that are best for you.

Fly from

Idaho

Fly to

Portland

Route

Depart

Return

Price

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Sat 1/24

12:32 pm-1:50 pm

Nonstop1h 18m

Portland

Wed 1/28

7:22 am-8:28 am

Nonstop1h 06m

$137

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Sat 1/17

12:32 pm-1:50 pm

Nonstop1h 18m

Portland

Tue 1/20

7:22 am-8:28 am

Nonstop1h 06m

$137

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Sat 1/17

12:32 pm-1:50 pm

Nonstop1h 18m

Portland

Wed 1/21

7:22 am-8:28 am

Nonstop1h 06m

$137

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Tue 1/13

12:32 pm-1:50 pm

Nonstop1h 18m

Portland

Sat 1/17

7:22 am-8:28 am

Nonstop1h 06m

$137

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Tue 1/6

7:32 pm-8:50 pm

Nonstop1h 18m

Portland

Sat 1/10

7:22 am-8:28 am

Nonstop1h 06m

$137

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Wed 11/19

2:30 pm-7:55 pm

1 stop6h 25m

Portland

Thu 11/20

7:00 am-12:20 pm

1 stop4h 20m

$144

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Fri 11/14

7:35 am-8:37 pm

1 stop13h 02m

Portland

Sun 11/16

7:30 am-12:22 am

1 stop16h 52m

$146

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Mon 12/22

6:08 pm-9:59 pm

1 stop4h 51m

Portland

Tue 12/30

7:30 pm-12:04 am

1 stop3h 34m

$147

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Thu 11/13

7:45 pm-10:41 pm

1 stop3h 56m

Portland

Sat 11/15

5:30 am-1:10 pm

1 stop6h 40m

$147

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Wed 11/19

5:00 am-3:33 pm

1 stop10h 33m

Portland

Thu 11/27

2:23 pm-8:36 am

1 stop18h 13m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Portland

What is the cheapest month to book a flight from Idaho to Portland?

Currently, March is the cheapest month in which you can book a flight from Idaho to Portland (average of $44). Flying from Idaho to Portland in November is currently the most expensive (average of $147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to PDX?

Find hourly flight availability from Idaho to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

When flying from Idaho to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 54% versus a flight in the morning.

What is the cheapest day to fly from Idaho to Portland?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Portland. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Idaho to Portland flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Idaho to Portland

Explore weekly flight availability from Idaho to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 16, 2025.

The most flights from USID to PDX are scheduled on a Wednesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

Find useful and relevant information for your journey from Idaho to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Idaho?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly into when you book flights from Idaho to Portland.

  • How popular is this Idaho to Portland flight route?

    This flight path from Idaho to Portland was viewed by 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Idaho to Portland?

    Alaska Airlines, Southwest, and Delta can get you from Idaho to Portland in just under 1h 18m. Your travel time can differ by up to 5h 07m. There are 278 mi between Idaho and Portland. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to Portland one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $78. Delta flights start at $79 while deals on Southwest start at $79 one-way.

  • What are the most popular routes from Idaho to Portland?

    While some choose either Spokane - Portland or Idaho Falls Fanning Field - Portland, Boise Air Term. Gowen Fld - Portland is the most popular route from Idaho to Portland.

  • What are the most reliable airlines from Idaho to Portland?

    Consider SkyWest Airlines (95%), Alaska Airlines (92%) or Hawaiian Airlines (91%) when booking your flight. These represent the most reliable airlines when flying from Idaho to Portland.

  • What are the cheapest flights from Idaho to Portland?

    Looking for the cheapest flight from Idaho to Portland? While on average our users pay $328, our data indicates the cheapest price to be $129. The most popular route (Boise Air Term. Gowen Fld - Portland), is priced around $137.

  • Can I find deals for flights from Idaho to Portland that include hotel bookings?

    Yes. In addition to deals on Idaho to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Portland.

  • Can I find deals for business class flights from Idaho to Portland?

    Yes. Cheapflights offers flight deals from Idaho to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Portland?

    Currently, March is the cheapest month in which you can book a flight from Idaho to Portland (average of $44). Flying from Idaho to Portland in November is currently the most expensive (average of $147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham
Troutdale

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Top 4 airlines flying from Idaho to Portland

Discover the top 4 airlines that operate flights from Idaho to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$48Average$108FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$121Average$286FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$152Average$353FlexibilityNo cancel feeOn-time75%
DeltaCheapest$176Average$371FlexibilityNo cancel feeOn-timeN/A

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