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$56+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PDX
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$91
(Booking.com)

One-way from

$56
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$278

Good round-trip deal

$86 or less

Good one-way deal

$82 or less
From Idaho to Portland
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One-way flight from Idaho to Portland
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Highest demand for flights based on searches. 10% potential increase in price ($30 potential increase over avg. RT price).
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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 June 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 junio 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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.
vie. 6/274:30 pmIDA - PDX
Nonstop1h 37mAllegiant Air
vie. 7/41:38 pmPDX - IDA
Nonstop1h 36mAllegiant Air
Deal found 6/10$91
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 9/176:00 amBOI - PDX
Nonstop1h 20mAlaska Airlines
mié. 9/242:30 pmPDX - BOI
Nonstop1h 20mAlaska Airlines
Deal found 6/12$137
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/1112:39 pmGEG - PDX
Nonstop1h 11mAlaska Airlines
sáb. 9/139:59 pmPDX - GEG
Nonstop1h 12mAlaska Airlines
Deal found 6/10$147
This Southwest deal was found by Cheapflights users on 6/10. 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.
vie. 8/225:45 pmBOI - PDX
1 stop5h 40mSouthwest
lun. 8/255:55 pmPDX - BOI
1 stop5h 10mSouthwest
Deal found 6/10$167
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 10/115:05 amGEG - PDX
Nonstop1h 15mHawaiian Airlines
sáb. 10/1110:34 amPDX - GEG
Nonstop1h 05mHawaiian Airlines
Deal found 6/10$171
This Mytrip deal was found by Cheapflights users on 6/12. 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.
vie. 7/186:12 pmIDA - PDX
1 stop21h 03mMultiple Airlines
lun. 7/211:38 pmPDX - IDA
Nonstop1h 36mMultiple Airlines
Deal found 6/12$174
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 8/136:25 amBOI - PDX
1 stop4h 25mHawaiian Airlines
lun. 8/189:40 pmPDX - BOI
Nonstop1h 14mHawaiian Airlines
Deal found 6/9$177
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 8/165:00 amGEG - PDX
1 stop3h 15mDelta
dom. 8/177:15 amPDX - GEG
1 stop3h 19mDelta
Deal found 6/10$179
This Southwest deal was found by Cheapflights users on 6/11. 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.
lun. 9/85:10 pmGEG - PDX
1 stop5h 00mSouthwest
vie. 9/125:10 pmPDX - GEG
1 stop6h 00mSouthwest
Deal found 6/11$185
This Delta deal was found by Cheapflights users on 6/9. 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.
vie. 8/226:00 pmBOI - PDX
1 stop6h 49mDelta
dom. 8/247:15 amPDX - BOI
1 stop4h 51mDelta
Deal found 6/9$195
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 7/127:15 pmBOI - PDX
1 stop6h 20mUnited Airlines
sáb. 7/199:47 amPDX - BOI
1 stop5h 53mUnited Airlines
Deal found 6/11$216
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/285:52 pmGEG - PDX
2 stops20h 23mMultiple Airlines
mié. 7/303:10 pmPDX - GEG
1 stop17h 33mMultiple Airlines
Deal found 6/11$227

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 junio 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

vie. 6/27

4:30 pm-5:07 pm

Nonstop1h 37m

Portland

vie. 7/4

1:38 pm-4:14 pm

Nonstop1h 36m

$91

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

mié. 9/17

6:00 am-6:20 am

Nonstop1h 20m

Portland

mié. 9/24

2:30 pm-4:50 pm

Nonstop1h 20m

$137

SpokanePortland

GEG - PDX

GEGPDX

Spokane

jue. 9/11

12:39 pm-1:50 pm

Nonstop1h 11m

Portland

sáb. 9/13

9:59 pm-11:11 pm

Nonstop1h 12m

$147

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

vie. 8/22

5:45 pm-10:25 pm

1 stop5h 40m

Portland

lun. 8/25

5:55 pm-12:05 am

1 stop5h 10m

$167

SpokanePortland

GEG - PDX

GEGPDX

Spokane

sáb. 10/11

5:05 am-6:20 am

Nonstop1h 15m

Portland

sáb. 10/11

10:34 am-11:39 am

Nonstop1h 05m

$171

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

vie. 7/18

6:12 pm-2:15 pm

1 stop21h 03m

Portland

lun. 7/21

1:38 pm-4:14 pm

Nonstop1h 36m

$174

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

mié. 8/13

6:25 am-9:50 am

1 stop4h 25m

Portland

lun. 8/18

9:40 pm-11:54 pm

Nonstop1h 14m

$177

SpokanePortland

GEG - PDX

GEGPDX

Spokane

sáb. 8/16

5:00 am-8:15 am

1 stop3h 15m

Portland

dom. 8/17

7:15 am-10:34 am

1 stop3h 19m

$179

SpokanePortland

GEG - PDX

GEGPDX

Spokane

lun. 9/8

5:10 pm-10:10 pm

1 stop5h 00m

Portland

vie. 9/12

5:10 pm-11:10 pm

1 stop6h 00m

$185

BoisePortland

BOI - PDX

BOIPDX

Boise Air Term. Gowen Fld

vie. 8/22

6:00 pm-11:49 pm

1 stop6h 49m

Portland

dom. 8/24

7:15 am-1:06 pm

1 stop4h 51m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, 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 $368). 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 junio 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.

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 junio 12, 2025.

The most flights from USID to PDX are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

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 junio 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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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 32 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 Allegiant Air, which is currently one of the cheapest options available, starting at $56. Southwest flights start at $79 while deals on Alaska Airlines start at $89 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 Condor (100%), SkyWest Airlines (96%) or Hawaiian Airlines (95%) 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 $1,302, our data indicates the cheapest price to be $119. The most popular route (Boise Air Term. Gowen Fld - Portland), is priced around $147.

  • 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 $368). 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
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$74Average$109FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$76Average$153FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$137Average$227FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$162Average$341FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$286FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$403FlexibilityNo cancel feeOn-timeN/A

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