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Cheap flights from Portland to Boise from $74

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 3/4. 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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Find the cheapest flights from Portland to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:05 am - 12:25 pm
PDX
-
BOI
6h 20m1 stop
Southwest Logo
5:35 am - 2:35 pm
BOI
-
PDX
10h 00m2 stops
$156Southwest
Tue, Jan 20 - Sat, Jan 24
Delta Logo
5:15 pm - 9:58 pm
PDX
-
BOI
3h 43m1 stop
Delta Logo
5:45 am - 9:03 am
BOI
-
PDX
4h 18m1 stop
$157Delta
Thu, Jan 15 - Sat, Jan 17
Alaska Airlines Logo
2:50 pm - 5:01 pm
PDX
-
BOI
1h 11mnonstop
Alaska Airlines Logo
3:43 pm - 5:59 pm
BOI
-
PDX
3h 16m1 stop
$161Alaska Airlines
Tue, Jan 6 - Tue, Jan 13
Alaska Airlines Logo
1:38 pm - 11:01 pm
PDX
-
BOI
8h 23m1 stop
Alaska Airlines Logo
5:40 am - 6:18 am
BOI
-
PDX
1h 38mnonstop
$162Alaska Airlines
Thu, Jan 15 - Sat, Jan 17
Southwest Logo
5:50 am - 1:15 pm
PDX
-
BOI
6h 25m1 stop
Southwest Logo
5:35 am - 2:35 pm
BOI
-
PDX
10h 00m2 stops
$164Southwest
Thu, Jan 15 - Sat, Jan 17
Delta Logo
5:30 am - 9:57 am
PDX
-
BOI
3h 27m1 stop
Delta Logo
5:40 am - 10:07 am
BOI
-
PDX
5h 27m1 stop
$167Delta
Fri, Jan 23 - Sun, Jan 25
Southwest Logo
6:00 am - 2:45 pm
PDX
-
BOI
7h 45m2 stops
Southwest Logo
5:35 am - 2:35 pm
BOI
-
PDX
10h 00m2 stops
$169Southwest
Thu, Jan 15 - Sat, Jan 17
Alaska Airlines Logo
5:35 pm - 11:01 pm
PDX
-
BOI
4h 26m1 stop
Alaska Airlines Logo
12:46 pm - 1:19 pm
BOI
-
PDX
1h 33mnonstop
$171Alaska Airlines
Fri, Jan 23 - Mon, Jan 26
Alaska Airlines Logo
1:38 pm - 11:01 pm
PDX
-
BOI
8h 23m1 stop
Alaska Airlines Logo
7:59 pm - 8:43 pm
BOI
-
PDX
1h 44mnonstop
$172Alaska Airlines
Fri, Jan 16 - Mon, Jan 19
Alaska Airlines Logo
5:35 pm - 11:59 pm
PDX
-
BOI
5h 24m1 stop
Alaska Airlines Logo
6:23 am - 9:29 am
BOI
-
PDX
4h 06m1 stop
$176Alaska Airlines
Thu, Jan 22 - Sun, Jan 25

Southwest flights from Portland to Boise

Our best Southwest deals on Portland to Boise flight tickets
Southwest
Jan 20
PDX5:05 amPortland
6h 20m
1 stop
BOI12:25 pmBoise Air Term. Gowen Fld
Jan 24
BOI5:35 amBoise Air Term. Gowen Fld
10h 00m
2 stops
PDX2:35 pmPortland
$156
Find similar
Southwest
Jan 15
PDX5:50 amPortland
6h 25m
1 stop
BOI1:15 pmBoise Air Term. Gowen Fld
Jan 17
BOI5:35 amBoise Air Term. Gowen Fld
10h 00m
2 stops
PDX2:35 pmPortland
$164
Find similar
Southwest
Jan 15
PDX6:00 amPortland
7h 45m
2 stops
BOI2:45 pmBoise Air Term. Gowen Fld
Jan 17
BOI5:35 amBoise Air Term. Gowen Fld
10h 00m
2 stops
PDX2:35 pmPortland
$169
Find similar

Delta flights from Portland to Boise

Our best Delta deals on Portland to Boise flight tickets
Delta
Jan 22
PDX7:10 amPortland
4h 50m
1 stop
BOI1:00 pmBoise Air Term. Gowen Fld
Jan 24
BOI1:40 pmBoise Air Term. Gowen Fld
6h 10m
1 stop
PDX6:50 pmPortland
$157
Find similar
Delta
Jan 23
PDX5:30 amPortland
3h 27m
1 stop
BOI9:57 amBoise Air Term. Gowen Fld
Jan 25
BOI5:40 amBoise Air Term. Gowen Fld
5h 27m
1 stop
PDX10:07 amPortland
$167
Find similar
Delta
Dec 30
PDX5:25 pmPortland
3h 36m
1 stop
BOI10:01 pmBoise Air Term. Gowen Fld
Jan 6
BOI5:40 amBoise Air Term. Gowen Fld
3h 53m
1 stop
PDX8:33 amPortland
$242
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 December 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

Tue 1/20

5:05 am-12:25 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Sat 1/24

5:35 am-2:35 pm

2 stops10h 00m

$156

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 1/15

5:15 pm-9:58 pm

1 stop3h 43m

Boise Air Term. Gowen Fld

Sat 1/17

5:45 am-9:03 am

1 stop4h 18m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 1/6

2:50 pm-5:01 pm

Nonstop1h 11m

Boise Air Term. Gowen Fld

Tue 1/13

3:43 pm-5:59 pm

1 stop3h 16m

$161

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 1/15

1:38 pm-11:01 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Sat 1/17

5:40 am-6:18 am

Nonstop1h 38m

$162

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 1/15

5:50 am-1:15 pm

1 stop6h 25m

Boise Air Term. Gowen Fld

Sat 1/17

5:35 am-2:35 pm

2 stops10h 00m

$164

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 1/23

5:30 am-9:57 am

1 stop3h 27m

Boise Air Term. Gowen Fld

Sun 1/25

5:40 am-10:07 am

1 stop5h 27m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 1/15

6:00 am-2:45 pm

2 stops7h 45m

Boise Air Term. Gowen Fld

Sat 1/17

5:35 am-2:35 pm

2 stops10h 00m

$169

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 1/23

5:35 pm-11:01 pm

1 stop4h 26m

Boise Air Term. Gowen Fld

Mon 1/26

12:46 pm-1:19 pm

Nonstop1h 33m

$171

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 1/16

1:38 pm-11:01 pm

1 stop8h 23m

Boise Air Term. Gowen Fld

Mon 1/19

7:59 pm-8:43 pm

Nonstop1h 44m

$172

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 1/22

5:35 pm-11:59 pm

1 stop5h 24m

Boise Air Term. Gowen Fld

Sun 1/25

6:23 am-9:29 am

1 stop4h 06m

$176

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 $240. 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 morning. Our users have found flights to Boise in the morning for as low as $272. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $295 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 $268 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 $175 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 25% 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 December 2025, prices for Portland to Boise flights are approximately 108% 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

$178

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 $178. The best round-trip flight deal from Portland to Boise found on momondo in the last 72 hours is $248.
The fastest flight from Portland to Boise takes 1h 09m
Direct flights go from Portland to Boise every day.
There is 1 airport in Boise. From Portland there are direct flights to 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 09m 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
Alaska AirlinesPriceFrom $137Free CancellationRating
8.0
11,450 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $150Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
8,006 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 22 flights/week on average for this route. A good Alaska Airlines flight deal for Portland to Boise starts from $137 round-trip, up to an average price of $273. 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 $301, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,819 user reviews) flies into Boise from Portland 26 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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