$182 Find Cheap Flights from Portland to Idaho - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Idaho departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Portland to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boise
Boise2 stops$401
Idaho Falls
Idaho Falls1 stop$479
Spokane
Spokane2 stops$391
Boise
Boise2 stops$401
Idaho Falls
Idaho Falls1 stop$479
Spokane
Spokane2 stops$391

Book Cheap Portland to Idaho Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Idaho that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Idaho

Wed, Sep 23 - Mon, Sep 28
Delta Logo
4:45 pm - 11:29 pm
PWM
-
GEG
9h 44m
2 stops
Delta Logo
7:30 pm - 10:45 am
GEG
-
PWM
12h 15m
2 stops
$391Delta
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
7:05 am - 4:49 pm
PWM
-
BOI
11h 44m
2 stops
American Airlines Logo
8:01 am - 11:41 pm
BOI
-
PWM
13h 40m
2 stops
$401American Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
5:15 am - 3:31 pm
PWM
-
BOI
12h 16m
2 stops
United Airlines Logo
12:24 pm - 9:23 pm
BOI
-
PWM
6h 59m
1 stop
$404United Airlines
Wed, Sep 23 - Mon, Sep 28
Delta Logo
4:45 pm - 11:29 pm
PWM
-
GEG
9h 44m
2 stops
Delta Logo
12:38 pm - 11:28 pm
GEG
-
PWM
7h 50m
1 stop
$415Delta
Fri, Oct 23 - Fri, Oct 30
Delta Logo
11:55 am - 9:10 pm
PWM
-
GEG
12h 15m
2 stops
Delta Logo
12:56 pm - 11:36 pm
GEG
-
PWM
7h 40m
1 stop
$420Delta
Fri, Oct 23 - Sat, Oct 31
Delta Logo
12:52 pm - 11:42 pm
PWM
-
GEG
13h 50m
2 stops
Delta Logo
5:38 pm - 10:30 am
GEG
-
PWM
13h 52m
2 stops
$426Delta
Thu, Aug 13 - Thu, Aug 20
United Airlines Logo
6:03 am - 11:28 am
PWM
-
BOI
7h 25m
1 stop
United Airlines Logo
12:24 pm - 9:23 pm
BOI
-
PWM
6h 59m
1 stop
$441United Airlines
Wed, Sep 9 - Wed, Sep 23
American Airlines Logo
6:02 am - 2:31 pm
PWM
-
BOI
10h 29m
1 stop
American Airlines Logo
6:30 am - 10:13 pm
BOI
-
PWM
13h 43m
2 stops
$445American Airlines
Thu, Aug 13 - Thu, Aug 20
United Airlines Logo
5:15 am - 3:31 pm
PWM
-
BOI
12h 16m
2 stops
United Airlines Logo
12:24 pm - 9:23 pm
BOI
-
PWM
6h 59m
1 stop
$446United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
3:27 pm - 9:21 pm
PWM
-
IDA
7h 54m
1 stop
United Airlines Logo
7:00 am - 4:02 pm
IDA
-
PWM
7h 02m
1 stop
$479United Airlines
Booking Insights

KAYAK's insights & trends for Portland to Idaho flights

Get data-powered insights and trends into flights from Portland to Idaho to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Portland to Idaho?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Idaho, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Idaho is February, when tickets cost $0 (return) on average. On the other hand, the most expensive months are October and December, when the average cost of round-trip tickets is $717 and $712 respectively.

Find deals

Good to know

Low season

December

Cheapest flight

$182
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Portland to Boise

FAQs - booking Idaho flights

  • How does KAYAK find such low prices on flights from Portland to Idaho?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Idaho.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Idaho?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Idaho?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Idaho with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Idaho?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Idaho

Information on your arrival and departure airports

Portland (PWM)