Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Boise from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Boise departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Portland to Boise

Cheap round-trip flights

Alaska Airlines Logo
10:30 am - 12:50 pmPDX-BOI
1h 20mnonstop
Alaska Airlines Logo
1:30 pm - 1:50 pmBOI-PDX
1h 20mnonstop
$117Alaska Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
Southwest Logo
6:50 am - 2:50 pmPDX-BOI
7h 00m1 stop
Southwest Logo
5:25 am - 9:45 amBOI-PDX
5h 20m1 stop
$120Southwest
Find Deal
Sat, Aug 23 - Sun, Aug 24
Southwest Logo
11:40 am - 10:10 pmPDX-BOI
9h 30m2 stops
Southwest Logo
3:55 pm - 7:00 pmBOI-PDX
4h 05m1 stop
$125Southwest
Find Deal
Wed, Oct 22 - Fri, Oct 24
Hawaiian Airlines Logo
9:40 pm - 11:59 pmPDX-BOI
1h 19mnonstop
Hawaiian Airlines Logo
6:00 am - 6:20 amBOI-PDX
1h 20mnonstop
$132Hawaiian Airlines
Find Deal
Sat, Aug 23 - Sun, Aug 24
Hawaiian Airlines Logo
9:40 pm - 11:59 pmPDX-BOI
1h 19mnonstop
Hawaiian Airlines Logo
6:00 am - 6:20 amBOI-PDX
1h 20mnonstop
$134Hawaiian Airlines
Find Deal
Sat, Aug 23 - Sun, Aug 24
Delta Logo
5:49 pm - 11:57 pmPDX-BOI
5h 08m1 stop
Delta Logo
7:30 am - 10:27 amBOI-PDX
3h 57m1 stop
$165Delta
Find Deal
Sat, Sep 13 - Tue, Sep 16
Delta Logo
5:15 am - 10:10 amPDX-BOI
3h 55m1 stop
Delta Logo
7:30 am - 10:27 amBOI-PDX
3h 57m1 stop
$169Delta
Find Deal
Sat, Sep 13 - Tue, Sep 16
Spirit Airlines Logo
12:07 pm - 6:50 pmPDX-BOI
5h 43m1 stop
Spirit Airlines Logo
9:16 pm - 11:12 amBOI-PDX
14h 56m1 stop
$199Spirit Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
9:47 am - 4:40 pmPDX-BOI
5h 53m1 stop
United Airlines Logo
7:15 pm - 12:35 amBOI-PDX
6h 20m1 stop
$204United Airlines
Find Deal
Tue, Jul 29 - Sat, Aug 2
Spirit Airlines Logo
12:07 pm - 8:21 pmPDX-BOI
7h 14m1 stop
Spirit Airlines Logo
9:16 pm - 11:12 amBOI-PDX
14h 56m1 stop
$206Spirit Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14

Alaska Airlines flights from Portland to Boise

Our best Alaska Airlines deals on Portland to Boise flight tickets
Alaska Airlines
Sep 13
PDX10:30 amPortland
1h 20m
BOI12:50 pmBoise Air Term. Gowen Fld
Sep 16
BOI1:30 pmBoise Air Term. Gowen Fld
1h 20m
PDX1:50 pmPortland
Alaska Airlines
Aug 21
PDX2:30 pmPortland
1h 20m
BOI4:50 pmBoise Air Term. Gowen Fld
Aug 24
BOI6:00 amBoise Air Term. Gowen Fld
1h 20m
PDX6:20 amPortland
Alaska Airlines
Aug 15
PDX2:30 pmPortland
1h 18m
BOI4:48 pmBoise Air Term. Gowen Fld
Aug 19
BOI6:00 amBoise Air Term. Gowen Fld
1h 16m
PDX6:16 amPortland

Southwest flights from Portland to Boise

Our best Southwest deals on Portland to Boise flight tickets
Southwest
Aug 23
PDX6:50 amPortland
7h 00m
1 stop
BOI2:50 pmBoise Air Term. Gowen Fld
Aug 24
BOI5:25 amBoise Air Term. Gowen Fld
5h 20m
1 stop
PDX9:45 amPortland
Southwest
Oct 22
PDX11:40 amPortland
9h 30m
2 stops
BOI10:10 pmBoise Air Term. Gowen Fld
Oct 24
BOI3:55 pmBoise Air Term. Gowen Fld
4h 05m
1 stop
PDX7:00 pmPortland
Southwest
Sep 10
PDX8:40 amPortland
5h 30m
1 stop
BOI3:10 pmBoise Air Term. Gowen Fld
Sep 15
BOI5:45 pmBoise Air Term. Gowen Fld
5h 40m
1 stop
PDX10:25 pmPortland

See travel insights to Boise from

How to get the cheapest flight ticket from Portland to Boise

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 Boise?

The month of April is, on average, the cheapest month to fly to Boise from Portland, with most prices found around $218. If you aren’t able to travel during the month of April, then book flights to Boise from Portland during January instead. Flights to Boise in January, while not as cheap as those in April, still average around $227.

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

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $218. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $303. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

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

Our data shows that the cheapest Portland to Boise flights are usually those with departure times in the evening. Our users have found flights to Boise in the evening for as low as $246. In the afternoon is when there is more demand to fly to Boise, so prices are often more expensive at around $335 per ticket.

What is the cheapest Portland to Boise Air Term. Gowen Fld flight route?

Fly from Portland to Boise Air Term. Gowen Fld for the best Portland - Boise Air Term. Gowen Fld flight prices

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

You are more likely to see cheaper flights to Boise from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Portland for as low as $192 on momondo.

What cabin class options are available on Portland to Boise Air Term. Gowen Fld flights?

There are 4 cabin classes available to choose from on Portland to Boise Air Term. Gowen Fld 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 Portland to Boise flights?

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

How have Portland to Boise flight prices changed over time?

As of July 2025, prices for Portland to Boise flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Boise (PDX to BOI) flight deals and tips

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

Best Price Found

$51

Fastest flight time

1h 13m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Portland in the past 72 hours is $51. The best round-trip flight deal from Portland to Boise found on momondo in the last 72 hours is $117.
The fastest flight from Portland to Boise takes 1h 13m
Direct flights go from Portland to Boise every day.
There is 1 airport near Boise: Boise Air Term. Gowen Fld (BOI)

  • How far is Portland to Boise Air Term. Gowen Fld by plane?

    There are 344.5 mi between Portland and Boise Air Term. Gowen Fld. 1h 13m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Portland Airport to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Portland Airport to Boise Air Term. Gowen Fld Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Boise?

  • What is the most popular airline from Portland to Boise?


Best airlines flying from Portland to Boise

Compare and see reviews for airlines that fly from Portland to Boise with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $87Free CancellationRating
6.3
8,064 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $150Free CancellationRating
7.8
2,552 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $160Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $166Free CancellationRating
8.0
7,962 reviews
Search Delta flights
  • Alaska Airlines Flights From Portland to Boise

    Alaska Airlines is one of the most popular airlines flying from Portland to Boise, operating 33 flights/week on average for this route. A good Alaska Airlines flight deal for Portland to Boise starts from $160 round-trip, up to an average price of $277. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From Portland to Boise

    $150 is the best Hawaiian Airlines flight deal from Portland to Boise found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $278, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,554 user reviews) flies into Boise from Portland 34 times in an average week so prices can vary.


Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Ontario
Caldwell
Eagle

Why use momondo?

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

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 Portland to Boise for you.

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

Yes. momondo enables you to select and highlight flights to Boise from Portland with this policy.

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

Once you have performed a search for Portland to Boise flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Portland to Boise now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boise and let you know when they change.


An easier way to manage your Boise 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.
1 adult
Sun 7/13
Sun 7/20

Find better results for your trip to the United States