To Boise

Cheap Flights from Portland to Boise

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RatePunk searches hundreds of travel sites at once for deals on flights to Boise

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Portland to Boise

Explore current cheapest deals departing from Portland to Boise

Round trip

Sort by: Cheapest

October 24 - October 27

Cheapest

Best

PDX - Boise

$156

$179

Round trip

September 22 - September 26

PDX - Boise

$135

$188

Round trip

September 23 - September 26

PDX - Boise

$136

$188

Round trip

October 16 - October 17

Best

PDX - Boise

$155

$188

Round trip

September 1 - September 12

Earliest

PDX - Boise

$111

$189

Round trip

October 20 - October 24

PDX - Boise

$155

$197

Round trip

October 28 - October 31

PDX - Boise

$158

$197

Round trip

October 6 - October 10

PDX - Boise

$151

$197

Round trip

November 4 - November 11

PDX - Boise

$150

$197

Round trip

October 21 - October 28

PDX - Boise

$151

$197

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Portland to Boise

Flights from Portland to Boise cover a distance of 553 kilometers, classifying this as a short-haul route. This means you can expect a relatively quick journey. Right now, if you are looking for cheap flights from Portland to Boise, fares are typically $177–$277, with a median of $213. Current fares are below the typical level, and about 3% of recent fares were classified as a good price. New deals appear almost daily for this route.

When considering the cheapest time to fly from Portland to Boise, you'll find that January stands out with a median fare of $169. Following closely are July, with a median fare of $174, and April, where the median fare is $176. These months offer more favorable pricing compared to the overall median for the route.

For travelers flying this route, almost all itineraries are non-stop, with direct flights from Portland to Boise making up 76.7% of recent fares. For the remaining itineraries that do include connections, the typical number of stopovers is one.

A typical journey from Portland to Boise takes about 2h 42m, including any connections. This duration reflects the overall travel time you can expect for this short-haul route, whether you fly direct or with a single stopover.

How much is a round trip from Portland to Boise

Regular price: $119 - $316

Prices for flights from Portland to Boise are currently within the regular range.

The regular price range for flights from Portland to Boise is between $119 and $316. The current lowest deal is $179 with Alaska Airlines, Inc. for travel from Oct 24-Oct 27.

now $179

Low $119

High $316

The cheapest time to fly from Portland to Boise

The cheapest month to fly from Portland to Boise is January, with a median price of $169. The most expensive month is December, with a median price of $317. Prices are generally lower from January to November.

January

Cheapest

Flights from $169

December

Most Expensive

Flights from $317

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to Boise

Alaska Airlines, Inc.

Last-minute flights going from Portland to Boise

Sat, Jul 4

⌛ Last-Minute

PDX - Boise

Portland (PDX) - Boise (BOI)

Southwest Airlines

$279

$278

One-way

Tue, Jul 7

⌛ Last-Minute

PDX - Boise

Portland (PDX) - Boise (BOI)

$274

$243

One-way

Tue, Jul 7

⌛ Last-Minute

PDX - Boise

Portland (PDX) - Boise (BOI)

$263

$243

One-way

Wed, Jul 8

⌛ Last-Minute

PDX - Boise

Portland (PDX) - Boise (BOI)

$263

$243

One-way

Thu, Jul 9

⌛ Last-Minute

PDX - Boise

Portland (PDX) - Boise (BOI)

$275

$263

One-way

Fri, Jul 10

⌛ Last-Minute

PDX - Boise

Portland (PDX) - Boise (BOI)

United Airlines

$270

$242

One-way

Biggest price drops on these dates for flights from Portland to Boise

3 nights

Aug 29 - Sep 1

$291 → $207

29%

3 nights

Aug 12 - Aug 15

$289 → $212

27%

2 nights

Aug 29 - Aug 31

$293 → $222

24%

3 nights

Aug 5 - Aug 8

$291 → $224

23%

Popular Airports to fly from Portland to Boise

Portland - Boise route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Portland to Boise are below the typical level, with deals around $179.

📅 Best time to fly

January, July, and April offer the lowest median prices

Historically, January ($169), July ($174), and April ($176) have the lowest median prices.

⏱️ Flight duration

Direct flights average 2h 42m

The typical flight duration from Portland to Boise is 2 hours and 42 minutes.

✈️ Airlines & availability

Direct flights are frequent

Direct flights are frequent, with deals appearing daily for this route.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is a direct airline option for flights from Portland to Boise.

🎯 Booking tip

76.7% of deals are for direct flights

Most deals for this route are for direct flights, making them easy to find.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International Airport (PDX) is a great option for flights from Portland to Boise.

📍 ~10 km from Portland city center (reachable by car).

💸 Flights from ~$179

Boise main airports to arrive at

Boise (BOI)

Cheapest

Boise Airport is a convenient arrival point for travelers heading to Boise, Idaho.

📍 ~6 km from city center

💸 Flights from ~$179

Airports nearby Boise used as alternative

Salt Lake City International (SLC)

Salt Lake City International is a major international hub with extensive direct flight options for long-haul travel.

📍 ~550 km from Boise (reachable by car, ~4.5 to 5 hours drive).

💸 Flights from ~$180

Spokane International (GEG)

Spokane International is a large regional airport with competitive pricing, good for Pacific Northwest or Midwest flights.

📍 ~400 km from Boise (reachable by car, long drive through mountainous terrain).

💸 Flights from ~$198

Tri-Cities (PSC)

Tri-Cities offers several daily connections to major West Coast hubs at a reasonable driving distance.

📍 ~200 km from Boise (reachable by car).

💸 Flights from ~$187

Idaho Falls Regional (IDA)

Cheapest

Idaho Falls Regional is a significant regional airport within Idaho, convenient for domestic connections.

📍 ~300 km from Boise (reachable by car).

💸 Flights from ~$77

Bozeman Yellowstone International (BZN)

Bozeman Yellowstone International offers robust regional service with multiple airline options and high popularity.

📍 ~400 km from Boise (reachable by car).

💸 Flights from ~$188

Business & First Class Flight Deals to Boise

45% AI deal score

$477

From PDX

Elite

Oct 03

Boise, United States

45% AI deal score

Boise, United States

40% AI deal score

$727

From PDX

Elite

Aug 10

Boise, United States

28% AI deal score

$7,464

Frequently Asked Questions About Flights to Boise

Historically, the best prices for flights from Portland to Boise are found when booking 14-27 days in advance, with an average price of $198. Booking 28-59 days out also typically yields an average price of $198. Prices tend to increase for bookings made closer to departure, with flights booked 0-6 days out averaging $249, and those booked 7-13 days out averaging $246. For travelers planning further ahead, flights booked 60+ days in advance have historically averaged $306.

Based on data from the trailing 90 days, a good price for a flight from Portland to Boise is typically around $177 or less. The median price for this route has been $213. Prices can vary, with 75% of flights costing $277 or less. This threshold of $177 represents a competitive price point for travelers.

Across the trailing quarter, January has historically been the cheapest month to fly from Portland to Boise, with a median price of $169. July also offers competitive pricing, with a median of $174. April has shown a median price of $176, which is also among the lower-priced months. The annual median price for this route is $213, indicating that these months offer notable savings compared to the yearly average.

Related routes

Consider alternative routes from Portland

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Cheap Flights from Portland to Boise

Today’s best flight deals from Portland to Boise

Unlock all 500+ flight deals to Boise and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Portland to Boise

How much is a round trip from Portland to Boise

The cheapest time to fly from Portland to Boise

Direct flights from Portland to Boise

Last-minute flights going from Portland to Boise

Biggest price drops on these dates for flights from Portland to Boise

Popular Airports to fly from Portland to Boise

Portland - Boise route insights

Recent fares are below the typical level

January, July, and April offer the lowest median prices

Direct flights average 2h 42m

Direct flights are frequent

Alaska Airlines, Inc. offers direct flights

76.7% of deals are for direct flights

Portland main airports to depart from

Boise main airports to arrive at

Airports nearby Boise used as alternative

Business & First Class Flight Deals to Boise

Best Elite deals to Boise

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Frequently Asked Questions About Flights to Boise

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

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

How much should a flight from Portland to Boise cost?

How much should a flight from Portland to Boise cost?

What's the best month to fly from Portland to Boise?

What's the best month to fly from Portland to Boise?