PDX

$94 Find Cheap Flights from Idaho to Portland - 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 to Portland departing on 8/17. 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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Flight Deals

Cheap Flights from Idaho to Portland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Portland 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 Idaho to Portland

Sat, Sep 19 - Tue, Sep 29
Alaska Airlines Logo
1:31 pm - 1:49 pm
BOI
-
PDX
1h 18mnonstop
Alaska Airlines Logo
2:53 pm - 5:15 pm
PDX
-
BOI
1h 22mnonstop
$177Alaska Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
8:25 pm - 8:45 pm
BOI
-
PDX
1h 20mnonstop
Alaska Airlines Logo
10:49 am - 1:14 pm
PDX
-
BOI
1h 25mnonstop
$177Alaska Airlines
Tue, Sep 29 - Tue, Oct 6
Alaska Airlines Logo
6:00 am - 6:20 am
BOI
-
PDX
1h 20mnonstop
Alaska Airlines Logo
10:44 am - 1:10 pm
PDX
-
BOI
1h 26mnonstop
$177Alaska Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
6:45 am - 10:40 am
BOI
-
PDX
4h 55m
1 stop
Delta Logo
1:00 pm - 5:14 pm
PDX
-
BOI
3h 14m
1 stop
$187Delta
Wed, Sep 23 - Sat, Sep 26
Delta Logo
6:45 am - 10:40 am
BOI
-
PDX
4h 55m
1 stop
Delta Logo
11:20 am - 5:19 pm
PDX
-
BOI
4h 59m
1 stop
$187Delta
Tue, Oct 27 - Tue, Oct 27
Southwest Logo
7:00 am - 1:00 pm
BOI
-
PDX
7h 00m
1 stop
Southwest Logo
4:05 pm - 11:10 pm
PDX
-
BOI
6h 05m
1 stop
$187Southwest
Sat, Aug 29 - Sat, Sep 5
Southwest Logo
6:10 am - 10:40 am
BOI
-
PDX
5h 30m
1 stop
Southwest Logo
6:00 am - 1:00 pm
PDX
-
BOI
6h 00m
1 stop
$187Southwest
Tue, Sep 1 - Tue, Sep 8
Delta Logo
5:59 pm - 10:02 pm
BOI
-
PDX
5h 03m
1 stop
Delta Logo
5:30 am - 9:54 am
PDX
-
BOI
3h 24m
1 stop
$187Delta
Fri, Aug 14 - Mon, Aug 17
Allegiant Air Logo
3:55 pm - 4:36 pm
IDA
-
PDX
1h 41mnonstop
Allegiant Air Logo
12:25 pm - 3:05 pm
PDX
-
IDA
1h 40mnonstop
$188Allegiant Air
Fri, Aug 14 - Mon, Aug 17
Allegiant Air Logo
3:55 pm - 4:36 pm
IDA
-
PDX
1h 41mnonstop
Allegiant Air Logo
12:25 pm - 3:05 pm
PDX
-
IDA
1h 40mnonstop
$194Allegiant Air
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Good to know

Low season

January

Cheapest flight

$94
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Boise to Portland

FAQs for booking flights from Idaho to Portland

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

    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 Idaho to Portland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from 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 Idaho to Portland?

    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 to Portland with an airline and back to Idaho with another airline.

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

    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 to Portland from 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 to Portland

Information on the airport you'll fly into in Portland

Portland (PDX)