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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 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Boise

Cheap round-trip flights

Delta Logo
11:10 am - 4:06 pmPDX-BOI
3h 56m1 stop
Delta Logo
5:25 am - 8:36 amBOI-PDX
4h 11m1 stop
$137Delta
Find Deal
Tue, Oct 28 - Tue, Nov 4
Hawaiian Airlines Logo
5:30 pm - 10:20 pmPDX-BOI
3h 50m1 stop
Hawaiian Airlines Logo
5:54 am - 6:20 amBOI-PDX
1h 26mnonstop
$138Hawaiian Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
Hawaiian Airlines Logo
5:30 pm - 10:20 pmPDX-BOI
3h 50m1 stop
Hawaiian Airlines Logo
4:06 pm - 4:31 pmBOI-PDX
1h 25mnonstop
$139Hawaiian Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Southwest Logo
8:40 am - 3:10 pmPDX-BOI
5h 30m1 stop
Southwest Logo
3:55 pm - 11:40 pmBOI-PDX
8h 45m1 stop
$140Southwest
Find Deal
Wed, Oct 1 - Fri, Oct 3
Hawaiian Airlines Logo
9:40 pm - 11:57 pmPDX-BOI
1h 17mnonstop
Hawaiian Airlines Logo
10:15 am - 1:45 pmBOI-PDX
4h 30m1 stop
$141Hawaiian Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Southwest Logo
5:05 am - 2:05 pmPDX-BOI
8h 00m1 stop
Southwest Logo
12:55 pm - 9:25 pmBOI-PDX
9h 30m2 stops
$142Southwest
Find Deal
Sat, Oct 25 - Wed, Nov 5
Alaska Airlines Logo
9:36 pm - 11:59 pmPDX-BOI
1h 23mnonstop
Alaska Airlines Logo
4:20 pm - 4:45 pmBOI-PDX
1h 25mnonstop
$144Alaska Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 4
Alaska Airlines Logo
9:36 pm - 11:59 pmPDX-BOI
1h 23mnonstop
Alaska Airlines Logo
5:54 am - 6:20 amBOI-PDX
1h 26mnonstop
$157Alaska Airlines
Find Deal
Tue, Oct 28 - Sun, Nov 2
Delta Logo
3:19 pm - 8:16 pmPDX-BOI
3h 57m1 stop
Delta Logo
5:25 am - 8:37 amBOI-PDX
4h 12m1 stop
$177Delta
Find Deal
Tue, Oct 28 - Sun, Nov 2
United Airlines Logo
7:30 am - 1:43 pmPDX-BOI
5h 13m1 stop
United Airlines Logo
7:05 pm - 12:28 amBOI-PDX
6h 23m1 stop
$190United Airlines
Find Deal
Tue, Sep 30 - Fri, Oct 3

Southwest flights from Portland to Boise

Our best Southwest deals on Portland to Boise flight tickets
Southwest
Oct 1
PDX8:40 amPortland
5h 30m
1 stop
BOI3:10 pmBoise Air Term. Gowen Fld
Oct 3
BOI3:55 pmBoise Air Term. Gowen Fld
8h 45m
1 stop
PDX11:40 pmPortland
$140
Find similar
Southwest
Oct 25
PDX5:05 amPortland
8h 00m
1 stop
BOI2:05 pmBoise Air Term. Gowen Fld
Nov 5
BOI12:55 pmBoise Air Term. Gowen Fld
9h 30m
2 stops
PDX9:25 pmPortland
$142
Find similar
Southwest
Oct 1
PDX5:45 pmPortland
4h 35m
1 stop
BOI11:20 pmBoise Air Term. Gowen Fld
Oct 6
BOI6:55 pmBoise Air Term. Gowen Fld
4h 20m
1 stop
PDX10:15 pmPortland
$155
Find similar

Hawaiian Airlines flights from Portland to Boise

Our best Hawaiian Airlines deals on Portland to Boise flight tickets
Hawaiian Airlines
Oct 28
PDX5:30 pmPortland
3h 50m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
Nov 1
BOI5:54 amBoise Air Term. Gowen Fld
1h 26m
PDX6:20 amPortland
$138
Find similar
Hawaiian Airlines
Oct 29
PDX5:30 pmPortland
3h 50m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
Nov 1
BOI4:06 pmBoise Air Term. Gowen Fld
1h 25m
PDX4:31 pmPortland
$139
Find similar
Hawaiian Airlines
Oct 8
PDX9:40 pmPortland
1h 17m
BOI11:57 pmBoise Air Term. Gowen Fld
Oct 15
BOI10:15 amBoise Air Term. Gowen Fld
4h 30m
1 stop
PDX1:45 pmPortland
$141
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 September 11, 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 10/28

11:10 am-4:06 pm

1 stop3h 56m

Boise Air Term. Gowen Fld

Tue 11/4

5:25 am-8:36 am

1 stop4h 11m

$137

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 10/28

5:30 pm-10:20 pm

1 stop3h 50m

Boise Air Term. Gowen Fld

Sat 11/1

5:54 am-6:20 am

Nonstop1h 26m

$138

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 10/29

5:30 pm-10:20 pm

1 stop3h 50m

Boise Air Term. Gowen Fld

Sat 11/1

4:06 pm-4:31 pm

Nonstop1h 25m

$139

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 10/1

8:40 am-3:10 pm

1 stop5h 30m

Boise Air Term. Gowen Fld

Fri 10/3

3:55 pm-11:40 pm

1 stop8h 45m

$140

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 10/8

9:40 pm-11:57 pm

Nonstop1h 17m

Boise Air Term. Gowen Fld

Wed 10/15

10:15 am-1:45 pm

1 stop4h 30m

$141

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 10/25

5:05 am-2:05 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Wed 11/5

12:55 pm-9:25 pm

2 stops9h 30m

$142

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sun 10/26

9:36 pm-11:59 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Tue 11/4

4:20 pm-4:45 pm

Nonstop1h 25m

$144

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 10/28

9:36 pm-11:59 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Sun 11/2

5:54 am-6:20 am

Nonstop1h 26m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 10/28

3:19 pm-8:16 pm

1 stop3h 57m

Boise Air Term. Gowen Fld

Sun 11/2

5:25 am-8:37 am

1 stop4h 12m

$177

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 9/30

7:30 am-1:43 pm

1 stop5h 13m

Boise Air Term. Gowen Fld

Fri 10/3

7:05 pm-12:28 am

1 stop6h 23m

$190

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 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 Sunday because tickets tend to average around $327. 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 $248. In the afternoon is when there is more demand to fly to Boise, so prices are often more expensive at around $341 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 $271 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 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 September 2025, prices for Portland to Boise flights are approximately 3% 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

$119

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Portland in the past 72 hours is $119. The best round-trip flight deal from Portland to Boise found on momondo in the last 72 hours is $166.
The fastest flight from Portland to Boise takes 1h 10m
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 10m 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
8,023 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $147Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $153Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
7,960 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 30 flights/week on average for this route. A good Alaska Airlines flight deal for Portland to Boise starts from $153 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

    $147 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 $296, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,723 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
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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