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

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 Phoenix.

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

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

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 Phoenix 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 Phoenix?

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 Phoenix from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$82 CHEAP FLIGHTS from Idaho to Phoenix (PHX)

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Flight Deals

Cheap Flights from Idaho to Sky Harbor Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Idaho to Sky Harbor Intl

Mon, Oct 26 - Thu, Oct 29

2:50 pm - 12:30 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

22h 40m1 stop Las Vegas Harry Reid Intl

4:28 pm - 7:43 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$219Multiple Airlines

Thu, Oct 8 - Tue, Oct 13

2:50 pm - 6:33 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

4h 43m1 stop Las Vegas Harry Reid Intl

6:02 am - 12:35 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

5h 33m1 stop Seattle/Tacoma Intl

$220Multiple Airlines

Mon, Oct 12 - Thu, Oct 15

2:50 pm - 12:17 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

22h 27m1 stop Las Vegas Harry Reid Intl

7:38 pm - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

17h 17m1 stop Las Vegas Harry Reid Intl

$221Frontier

Mon, Oct 19 - Mon, Oct 26

2:50 pm - 3:28 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

25h 38m2 stops Las Vegas Harry Reid Intl San Diego

8:16 am - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 39m1 stop Las Vegas Harry Reid Intl

$223Frontier

Tue, Nov 10 - Sat, Nov 14

7:00 am - 9:11 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 11mnonstop

11:55 am - 5:04 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

5h 09m1 stop Portland

$223Alaska Airlines

Tue, Oct 6 - Sat, Oct 10

7:05 pm - 10:10 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

4h 05m1 stop Sacramento Intl

8:30 am - 11:45 amPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$223Southwest

Sat, Oct 17 - Tue, Oct 20

11:10 am - 3:50 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

5h 40m1 stop San Jose

8:45 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 10mnonstop

$223Southwest

Mon, Oct 19 - Wed, Oct 21

7:10 am - 8:21 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 11mnonstop

9:05 am - 12:18 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229Alaska Airlines

Mon, Nov 2 - Wed, Nov 4

2:03 pm - 4:09 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 06mnonstop

5:11 pm - 7:24 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229American Airlines

Wed, Nov 11 - Mon, Nov 16

2:03 pm - 4:09 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 06mnonstop

5:11 pm - 7:24 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229American Airlines

Recent last minute flight deals from Idaho to Sky Harbor Intl

Mon, Sep 21 - Fri, Oct 9

2:50 pm - 10:47 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

8h 57m1 stop Las Vegas Harry Reid Intl

8:16 am - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 39m1 stop Las Vegas Harry Reid Intl

$292Frontier

Mon, Sep 21 - Thu, Oct 1

2:50 pm - 10:47 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

8h 57m1 stop Las Vegas Harry Reid Intl

8:27 am - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 28m1 stop Las Vegas Harry Reid Intl

$338Frontier

Mon, Sep 21 - Fri, Oct 9

2:50 pm - 10:47 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

8h 57m1 stop Las Vegas Harry Reid Intl

4:28 pm - 7:43 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$338Multiple Airlines

Tue, Sep 22 - Fri, Oct 9

5:42 pm - 6:55 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 13mnonstop

8:16 am - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 39m1 stop Las Vegas Harry Reid Intl

$359Multiple Airlines

Mon, Sep 21 - Fri, Oct 9

7:30 am - 8:35 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 05mnonstop

10:35 pm - 1:45 amPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 10mnonstop

$372Southwest

Tue, Sep 22 - Fri, Oct 9

7:05 am - 8:10 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 05mnonstop

10:35 pm - 1:45 amPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 10mnonstop

$393Southwest

Fri, Sep 25 - Mon, Oct 5

12:49 pm - 5:35 pmGEG Spokane-PHX Phoenix Sky Harbor Intl

4h 46m1 stop Portland

3:42 pm - 10:50 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

7h 08m1 stop San Diego

$419Alaska Airlines

Tue, Sep 22 - Wed, Sep 30

5:42 pm - 6:55 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 13mnonstop

7:37 pm - 10:45 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 08mnonstop

$427Alaska Airlines

Fri, Sep 25 - Tue, Sep 29

8:05 am - 9:35 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 30mnonstop

10:06 am - 1:22 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 16mnonstop

$427American Airlines

Wed, Sep 23 - Wed, Sep 30

8:05 am - 9:35 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 30mnonstop

10:06 am - 1:22 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 16mnonstop

$427American Airlines

Recent direct flight deals from Idaho to Sky Harbor Intl

Mon, Nov 2 - Wed, Nov 4

2:03 pm - 4:09 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 06mnonstop

5:11 pm - 7:24 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229American Airlines

Wed, Nov 11 - Mon, Nov 16

2:03 pm - 4:09 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 06mnonstop

5:11 pm - 7:24 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229American Airlines

Mon, Oct 19 - Wed, Oct 21

7:10 am - 8:21 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 11mnonstop

9:05 am - 12:18 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229Alaska Airlines

Wed, Oct 7 - Tue, Oct 13

7:10 am - 8:21 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 11mnonstop

9:05 am - 12:18 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229Alaska Airlines

Thu, Jan 21 - Wed, Jan 27

7:10 am - 9:30 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 20mnonstop

7:25 pm - 9:30 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 05mnonstop

$229Southwest

Tue, Oct 27 - Mon, Nov 2

6:17 am - 7:38 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 21mnonstop

5:11 pm - 7:24 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 13mnonstop

$229American Airlines

Wed, Feb 24 - Mon, Mar 1

7:10 am - 9:30 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 20mnonstop

8:40 pm - 10:50 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 10mnonstop

$230Southwest

Sat, Jan 9 - Mon, Jan 11

5:15 am - 7:40 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 25mnonstop

9:00 am - 11:15 amPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$230Southwest

Thu, Jan 7 - Mon, Jan 11

6:15 am - 10:14 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 59mnonstop

9:48 pm - 11:37 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 49mnonstop

$237American Airlines

Thu, Oct 15 - Thu, Oct 22

7:10 am - 8:21 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 11mnonstop

4:28 pm - 7:43 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$245Alaska Airlines

Useful Info

Low season	July
High season	March
Cheapest flight	$82

Best time to beat the crowds but there is an average 10% increase in price.

Most popular time to fly with an average 5% increase in price.

Flight from Idaho Falls to Phoenix Sky Harbor Airport

How does KAYAK find such low prices on flights from Idaho to Phoenix?
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 Phoenix.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Phoenix?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix 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 Phoenix?
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 Phoenix 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 Phoenix?
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 Phoenix from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.