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$82+ Cheap flights from Idaho to Portland (PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PDX
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$82
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$218

Good round-trip deal

$86 or less

Good one-way deal

$49 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Portland flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Portland flights.
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From Idaho to Portland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Idaho to Portland.
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Price to beat on a one-way flight from Idaho to Portland.
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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 May 12, 2025.

This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/234:30 pmIDA - PDX
Nonstop1h 37mAllegiant Air
Fri 6/271:04 pmPDX - IDA
Nonstop1h 36mAllegiant Air
Deal found 5/12$86
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/264:50 pmIDA - PDX
Nonstop1h 39mMultiple Airlines
Thu 5/296:35 amPDX - IDA
1 stop9h 31mMultiple Airlines
Deal found 5/12$170
This Delta deal was found by Cheapflights users on 5/12. 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 9/115:40 amBOI - PDX
1 stop5h 44mDelta
Sun 9/145:45 pmPDX - BOI
1 stop5h 14mDelta
Deal found 5/12$177
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/812:36 pmBOI - PDX
1 stop12h 43mMultiple Airlines
Sun 6/156:39 pmPDX - BOI
1 stop13h 09mMultiple Airlines
Deal found 5/11$194
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:57 pmBOI - PDX
1 stop10h 41mFrontier
Tue 5/206:20 amPDX - BOI
1 stop6h 17mFrontier
Deal found 5/11$202
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 6/139:43 amBOI - PDX
1 stop9h 01mSpirit Airlines
Sun 6/156:39 pmPDX - BOI
1 stop13h 09mSpirit Airlines
Deal found 5/12$204
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 10/36:35 amBOI - PDX
1 stop3h 23mAlaska Airlines
Sun 10/57:00 amPDX - BOI
1 stop3h 36mAlaska Airlines
Deal found 5/12$216
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:31 pmBOI - PDX
1 stop7h 16mUnited Airlines
Tue 6/103:42 pmPDX - BOI
1 stop5h 02mUnited Airlines
Deal found 5/11$217
This Delta deal was found by Cheapflights users on 5/11. 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.
Sun 6/86:05 amGEG - PDX
1 stop4h 30mDelta
Thu 6/125:50 pmPDX - GEG
1 stop5h 05mDelta
Deal found 5/11$218
This Southwest deal was found by Cheapflights users on 5/11. 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 6/186:15 pmBOI - PDX
1 stop4h 45mSouthwest
Sat 6/216:40 amPDX - BOI
1 stop8h 20mSouthwest
Deal found 5/11$222
This Ticket deal was found by Cheapflights users on 5/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/512:27 pmGEG - PDX
Nonstop1h 06mHawaiian Airlines
Sun 6/810:30 amPDX - GEG
Nonstop1h 02mHawaiian Airlines
Deal found 5/12$222
This Hawaiian Airlines deal was found by Cheapflights users on 5/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:30 pmBOI - PDX
Nonstop1h 20mHawaiian Airlines
Mon 9/19:40 pmPDX - BOI
Nonstop1h 19mHawaiian Airlines
Deal found 5/12$237

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 May 12, 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

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 7/25

5:04 pm-5:41 pm

Nonstop1h 37m

Portland

Mon 7/28

1:38 pm-4:14 pm

Nonstop1h 36m

$82

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 5/26

4:50 pm-5:29 pm

Nonstop1h 39m

Portland

Thu 5/29

6:35 am-5:06 pm

1 stop9h 31m

$170

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Thu 9/11

5:40 am-10:24 am

1 stop5h 44m

Portland

Sun 9/14

5:45 pm-11:59 pm

1 stop5h 14m

$177

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Sun 6/8

12:36 pm-12:19 am

1 stop12h 43m

Portland

Sun 6/15

6:39 pm-8:48 am

1 stop13h 09m

$194

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Fri 6/13

9:43 am-5:44 pm

1 stop9h 01m

Portland

Sun 6/15

6:39 pm-8:48 am

1 stop13h 09m

$204

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Fri 10/3

6:35 am-8:58 am

1 stop3h 23m

Portland

Sun 10/5

7:00 am-11:36 am

1 stop3h 36m

$216

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

Thu 7/3

6:25 pm-12:15 am

1 stop6h 50m

Portland

Mon 7/7

6:20 am-11:55 am

1 stop4h 35m

$217

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Sun 6/8

6:05 am-10:35 am

1 stop4h 30m

Portland

Thu 6/12

5:50 pm-10:55 pm

1 stop5h 05m

$218

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Thu 6/5

12:27 pm-1:33 pm

Nonstop1h 06m

Portland

Sun 6/8

10:30 am-11:32 am

Nonstop1h 02m

$222

SpokanePortland

GEG - PDX

GEGPDX

Spokane

Thu 6/5

11:48 am-12:19 am

1 stop12h 31m

Portland

Sun 6/8

7:01 am-8:03 am

Nonstop1h 02m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 53 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, November is the cheapest month in which you can book a flight from Idaho to Portland (average of $277). Flying from Idaho to Portland in March is currently the most expensive (average of $369). 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 May 12, 2025.

When flying from Idaho to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated May 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Idaho to Portland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,431 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 31 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $86. Spirit Airlines flights start at $91 while deals on Southwest start at $109 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 Horizon Air (95%), Alaska Airlines (91%) or Singapore Airlines (88%) 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 $314, our data indicates the cheapest price to be $119. The most popular route (Boise Air Term. Gowen Fld - Portland), is priced around $177.

  • 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, November is the cheapest month in which you can book a flight from Idaho to Portland (average of $277). Flying from Idaho to Portland in March is currently the most expensive (average of $369). 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 Idaho?

Book flights to Idaho if you plan to visit one of these locations
Seaside
Lincoln City
Beaverton
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Wilsonville

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Top 6 airlines flying from Idaho to Portland

Discover the top 6 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$146FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$74Average$110FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$147Average$197FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$165Average$350FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$286FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$422FlexibilityNo cancel feeOn-timeN/A

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