Cheap flights from Portland, OR to Boise, ID

Flights starting at $54. Choose between Alaska Airlines, Spirit Airlines, or Frontier Airlines to find the best price.

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Tips to know when travelling to Boise

The distance between Portland and Boise is 553 km. The most popular airlines for this route are Alaska Airlines, Spirit Airlines, Frontier Airlines, Allegiant Air, and United Airlines. Portland and Boise have 137 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Portland to Boise in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 17.03 - Sat 23.03

AirlineSun 17.03Mon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03
5545555

Weekly direct flights for Sun 24.03 - Sat 30.03

AirlineSun 24.03Mon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03
4445554

Weekly direct flights for Sun 31.03 - Sat 06.04

AirlineSun 31.03Mon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04
5545554

Weekly direct flights for Sun 07.04 - Sat 13.04

AirlineSun 07.04Mon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04
5545554

Check-in for a flight from Portland to Boise

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo

Weather in Boise

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January2°C-4°C
February5°C-2°C
March10°C1°C
April14°C3°C
May19°C8°C
June25°C13°C
July32°C18°C
August31°C17°C
September25°C13°C
October16°C6°C
November8°C0°C
December2°C-4°C
Hottest Month
32°C
July
Coldest month
-4°C
January
Sunny days
292
days per year
Snow days
15
days per year

14 day forecast

Thursday
21 Mar
96%
13°C9°C
28 Mar
87%
9°C2°C
Friday
22 Mar
17°C7°C
29 Mar
11°C3°C
Saturday
23 Mar
88%
10°C5°C
30 Mar
78%
16°C8°C
Sunday
24 Mar
86%
11°C3°C
31 Mar
80%
12°C6°C
Monday
25 Mar
88%
7°C2°C
1 Apr
86%
10°C4°C
Tuesday
26 Mar
10°C2°C
2 Apr
12°C2°C
Wednesday
27 Mar
88%
6°C3°C
3 Apr
16°C6°C

Frequently asked questions

How long does it take to travel from Portland to Boise?
What is the flight distance between Portland and Boise?
What airlines offer nonstop (direct) flights between Portland and Boise?
What are the most popular routes to and from Portland?
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What airports are near Portland?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Portland and Boise?
What is Virtual Interlining and how do I use it?
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What time do flights between Portland and Boise depart?
What time do flights between Portland and Boise arrive?

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