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Cheap flights from Portland to Boise from $69

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 12/3. 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

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Cheap round-trip flights

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Alaska Airlines Logo
9:36 pm - 11:59 pmPDX-BOI
1h 23mnonstop
Alaska Airlines Logo
9:05 am - 9:35 amBOI-PDX
1h 30mnonstop
$176Alaska Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
United Airlines Logo
7:30 am - 1:44 pmPDX-BOI
5h 14m1 stop
United Airlines Logo
6:20 am - 10:58 amBOI-PDX
5h 38m1 stop
$177United Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Delta Logo
5:30 am - 11:04 amPDX-BOI
4h 34m1 stop
Delta Logo
5:40 am - 8:38 amBOI-PDX
3h 58m1 stop
$178Delta
Find Deal
Fri, Dec 19 - Sat, Dec 20
Alaska Airlines Logo
9:36 pm - 11:59 pmPDX-BOI
1h 23mnonstop
Alaska Airlines Logo
9:42 pm - 12:18 amBOI-PDX
3h 36m1 stop
$180Alaska Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 22
Alaska Airlines Logo
1:38 pm - 6:02 pmPDX-BOI
3h 24m1 stop
Alaska Airlines Logo
8:28 pm - 8:50 pmBOI-PDX
1h 22mnonstop
$181Alaska Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 11
Hawaiian Airlines Logo
9:40 pm - 11:57 pmPDX-BOI
1h 17mnonstop
Hawaiian Airlines Logo
4:16 pm - 4:44 pmBOI-PDX
1h 28mnonstop
$182Hawaiian Airlines
Find Deal
Fri, Dec 19 - Mon, Dec 29
Hawaiian Airlines Logo
9:40 pm - 11:57 pmPDX-BOI
1h 17mnonstop
Hawaiian Airlines Logo
4:16 pm - 4:44 pmBOI-PDX
1h 28mnonstop
$183Hawaiian Airlines
Find Deal
Fri, Dec 19 - Mon, Dec 29
Delta Logo
7:45 pm - 11:58 pmPDX-BOI
3h 13m1 stop
Delta Logo
7:30 am - 10:34 amBOI-PDX
4h 04m1 stop
$187Delta
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Thu, Feb 19 - Sun, Feb 22
Southwest Logo
2:35 pm - 11:10 pmPDX-BOI
7h 35m1 stop
Southwest Logo
6:10 am - 11:25 amBOI-PDX
6h 15m1 stop
$204Southwest
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Mon, Nov 17 - Tue, Nov 18
Southwest Logo
5:00 am - 1:30 pmPDX-BOI
7h 30m2 stops
Southwest Logo
3:45 pm - 10:30 pmBOI-PDX
7h 45m1 stop
$232Southwest
Find Deal
Wed, Nov 5 - Wed, Nov 12

Alaska Airlines flights from Portland to Boise

Our best Alaska Airlines deals on Portland to Boise flight tickets
Alaska Airlines
Nov 6
PDX9:36 pmPortland
1h 23m
BOI11:59 pmBoise Air Term. Gowen Fld
Nov 9
BOI9:05 amBoise Air Term. Gowen Fld
1h 30m
PDX9:35 amPortland
$176
Find similar
Alaska Airlines
Nov 8
PDX9:36 pmPortland
1h 23m
BOI11:59 pmBoise Air Term. Gowen Fld
Nov 22
BOI9:42 pmBoise Air Term. Gowen Fld
3h 36m
1 stop
PDX12:18 amPortland
$180
Find similar
Alaska Airlines
Nov 11
PDX1:38 pmPortland
3h 24m
1 stop
BOI6:02 pmBoise Air Term. Gowen Fld
Nov 11
BOI8:28 pmBoise Air Term. Gowen Fld
1h 22m
PDX8:50 pmPortland
$181
Find similar

United Airlines flights from Portland to Boise

Our best United Airlines deals on Portland to Boise flight tickets
United Airlines
Nov 9
PDX7:30 amPortland
5h 14m
1 stop
BOI1:44 pmBoise Air Term. Gowen Fld
Nov 16
BOI6:20 amBoise Air Term. Gowen Fld
5h 38m
1 stop
PDX10:58 amPortland
$177
Find similar
United Airlines
Oct 24
PDX7:30 amPortland
5h 13m
1 stop
BOI1:43 pmBoise Air Term. Gowen Fld
Oct 27
BOI7:00 pmBoise Air Term. Gowen Fld
6h 26m
1 stop
PDX12:26 amPortland
$368
Find similar
United Airlines
Oct 21
PDX5:30 amPortland
7h 13m
1 stop
BOI1:43 pmBoise Air Term. Gowen Fld
Oct 24
BOI7:05 pmBoise Air Term. Gowen Fld
4h 40m
1 stop
PDX10:45 pmPortland
$479
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Boise 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, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Portland to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 11/6

9:36 pm-11:59 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Sun 11/9

9:05 am-9:35 am

Nonstop1h 30m

$176

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sun 11/9

7:30 am-1:44 pm

1 stop5h 14m

Boise Air Term. Gowen Fld

Sun 11/16

6:20 am-10:58 am

1 stop5h 38m

$177

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 12/19

5:30 am-11:04 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Sat 12/20

5:40 am-8:38 am

1 stop3h 58m

$178

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 11/8

9:36 pm-11:59 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Sat 11/22

9:42 pm-12:18 am

1 stop3h 36m

$180

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 11/11

1:38 pm-6:02 pm

1 stop3h 24m

Boise Air Term. Gowen Fld

Tue 11/11

8:28 pm-8:50 pm

Nonstop1h 22m

$181

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 12/19

9:40 pm-11:57 pm

Nonstop1h 17m

Boise Air Term. Gowen Fld

Mon 12/29

4:16 pm-4:44 pm

Nonstop1h 28m

$182

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 12/19

9:40 pm-11:57 pm

Nonstop1h 17m

Boise Air Term. Gowen Fld

Mon 12/29

4:16 pm-4:44 pm

Nonstop1h 28m

$183

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 2/19

7:45 pm-11:58 pm

1 stop3h 13m

Boise Air Term. Gowen Fld

Sun 2/22

7:30 am-10:34 am

1 stop4h 04m

$187

PortlandBoise

PDX - BOI

PDXBOI

Portland

Mon 11/17

2:35 pm-11:10 pm

1 stop7h 35m

Boise Air Term. Gowen Fld

Tue 11/18

6:10 am-11:25 am

1 stop6h 15m

$204

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 11/5

5:00 am-1:30 pm

2 stops7h 30m

Boise Air Term. Gowen Fld

Wed 11/12

3:45 pm-10:30 pm

1 stop7h 45m

$232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September is, on average, the cheapest month to fly to Boise from Portland, with most prices found around $217. If you aren’t able to travel during the month of September, then book flights to Boise from Portland during April instead. Flights to Boise in April, while not as cheap as those in September, still average around $218.

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 $308. 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 $261. In the afternoon is when there is more demand to fly to Boise, so prices are often more expensive at around $306 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 $270 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 $196 on momondo.

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

There are 3 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?

You could potentially save up to 10% on your flight if you consider stops on a Portland to Boise flight.

How have Portland to Boise flight prices changed over time?

As of October 2025, prices for Portland to Boise flights are approximately 23% more expensive 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

$214

Fastest flight time

1h 09m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Portland in the past 72 hours is $214. The best round-trip flight deal from Portland to Boise found on momondo in the last 72 hours is $237.
The fastest flight from Portland to Boise takes 1h 09m
Direct flights go from Portland to Boise every day.
There is 1 airport near Boise: Boise Air Term. Gowen Fld (BOI)
Search flight deals

  • 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 11m 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 $114Free CancellationRating
6.3
8,096 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $148Free CancellationRating
8.0
11,080 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $150Free CancellationRating
7.8
2,779 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
7,973 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 29 flights/week on average for this route. A good Alaska Airlines flight deal for Portland to Boise starts from $148 round-trip, up to an average price of $272. 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 $299, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,779 user reviews) flies into Boise from Portland 33 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
McCall
Meridian
Caldwell
Ontario
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

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