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.

$73 CHEAP FLIGHTS from Idaho to Phoenix (PHX)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Fri, Oct 9 - Fri, Oct 16

10:49 pm - 11:18 pmIDA Idaho Falls Fanning Field-PHX Phoenix Sky Harbor Intl

25h 29m1 stop Las Vegas Harry Reid Intl

8:16 am - 4:00 pmPHX Phoenix Sky Harbor Intl-IDA Idaho Falls Fanning Field

6h 44m1 stop Las Vegas Harry Reid Intl

$208Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

2:49 pm - 11:09 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

8h 20m1 stop Las Vegas Harry Reid Intl

12:54 pm - 5:29 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 35m1 stop Santa Ana J. Wayne/Orange Cnty

$215Multiple Airlines

Fri, Oct 16 - Fri, Oct 23

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

$216Frontier

Wed, Oct 21 - Wed, Nov 18

6:30 am - 9:24 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 54mnonstop

2:50 pm - 4:39 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 49mnonstop

$237American Airlines

Thu, Feb 18 - Tue, Feb 23

6:15 am - 10:17 amGEG Spokane-PHX Phoenix Sky Harbor Intl

3h 02mnonstop

9:24 pm - 11:12 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 48mnonstop

$237American Airlines

Mon, Nov 16 - Wed, Nov 18

6:05 am - 9:50 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 45mnonstop

6:05 pm - 7:55 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 50mnonstop

$237Southwest

Mon, Oct 5 - Mon, Oct 5

6:00 am - 8:35 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 35mnonstop

8:55 pm - 11:45 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 50mnonstop

$237Southwest

Thu, Feb 18 - Tue, Feb 23

7:00 am - 11:16 pmGEG Spokane-PHX Phoenix Sky Harbor Intl

15h 16m1 stop San Diego

7:05 am - 12:30 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

6h 25m1 stop Seattle/Tacoma Intl

$240Alaska Airlines

Thu, Feb 18 - Tue, Feb 23

7:00 am - 11:16 pmGEG Spokane-PHX Phoenix Sky Harbor Intl

15h 16m1 stop San Diego

8:05 am - 2:36 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

7h 31m1 stop Seattle/Tacoma Intl

$240Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

7:23 pm - 11:58 pmGEG Spokane-PHX Phoenix Sky Harbor Intl

4h 35m1 stop Salt Lake City

3:59 pm - 11:59 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

8h 00m1 stop Los Angeles

$253Delta

Recent last minute flight deals from Idaho to Sky Harbor Intl

Sun, Sep 13 - Mon, Sep 21

2:50 pm - 4:18 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

26h 28m1 stop Las Vegas Harry Reid Intl

8:00 am - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 55m1 stop Las Vegas Harry Reid Intl

$280Frontier

Fri, Sep 11 - Fri, Sep 18

2:50 pm - 11:59 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

22h 09m1 stop Las Vegas Harry Reid Intl

8:00 am - 1:55 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

4h 55m1 stop Las Vegas Harry Reid Intl

$280Frontier

Sun, Sep 13 - Mon, Sep 21

6:00 am - 7:10 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 10mnonstop

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

2h 00mnonstop

$407Southwest

Sun, Sep 13 - Sat, Sep 19

6:00 am - 7:10 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 10mnonstop

3:35 pm - 6:40 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 05mnonstop

$407Southwest

Tue, Sep 15 - Thu, Sep 17

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

$447Alaska Airlines

Thu, Sep 10 - Mon, Sep 14

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

$447Alaska Airlines

Tue, Sep 15 - Thu, Sep 17

6:30 am - 7:40 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 10mnonstop

8:30 pm - 11:41 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 11mnonstop

$447American Airlines

Thu, Sep 10 - Tue, Sep 15

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

2h 30mnonstop

1:51 pm - 5:03 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 12mnonstop

$447American Airlines

Tue, Sep 15 - Thu, Sep 17

1:00 pm - 4:10 pmSUN Hailey Sun Valley-Friedman-PHX Phoenix Sky Harbor Intl

4h 10m1 stop Salt Lake City

9:40 am - 2:38 pmPHX Phoenix Sky Harbor Intl-SUN Hailey Sun Valley-Friedman

3h 58m1 stop Salt Lake City

$451Delta

Fri, Sep 11 - Sun, Sep 13

7:05 am - 11:28 amBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

5h 23m1 stop Los Angeles

5:45 am - 10:17 amPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

3h 32m1 stop Salt Lake City

$497Delta

Recent direct flight deals from Idaho to Sky Harbor Intl

Wed, Oct 21 - Wed, Nov 18

6:30 am - 9:24 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 54mnonstop

2:50 pm - 4:39 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 49mnonstop

$237American Airlines

Mon, Jan 11 - Sat, Jan 16

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

Mon, Oct 5 - Mon, Oct 5

6:00 am - 8:35 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 35mnonstop

8:55 pm - 11:45 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 50mnonstop

$237Southwest

Thu, Jan 7 - Mon, Jan 11

6:10 am - 9:55 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 45mnonstop

9:15 am - 11:00 amPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 45mnonstop

$237Southwest

Tue, Oct 6 - Thu, Oct 8

6:30 am - 9:24 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 54mnonstop

8:20 pm - 11:01 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 41mnonstop

$237American Airlines

Thu, Dec 3 - Mon, Dec 7

6:15 am - 10:16 amGEG Spokane-PHX Phoenix Sky Harbor Intl

3h 01mnonstop

2:50 pm - 4:39 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 49mnonstop

$237American Airlines

Mon, Nov 16 - Wed, Nov 18

6:05 am - 9:50 amGEG Spokane-PHX Phoenix Sky Harbor Intl

2h 45mnonstop

6:05 pm - 7:55 pmPHX Phoenix Sky Harbor Intl-GEG Spokane

2h 50mnonstop

$237Southwest

Tue, Nov 3 - Wed, Nov 11

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

2h 11mnonstop

9:53 am - 12:09 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 16mnonstop

$257Alaska Airlines

Sat, Dec 5 - Sat, Dec 12

6:00 pm - 8:12 pmBOI Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl

2h 12mnonstop

6:30 pm - 8:37 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 07mnonstop

$257Alaska Airlines

Wed, Nov 18 - Sun, Nov 22

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

2h 11mnonstop

9:55 am - 12:13 pmPHX Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld

2h 18mnonstop

$267Alaska Airlines

Useful Info

Low season	July
High season	March
Cheapest flight	$73

Best time to beat the crowds but there is an average 11% increase in price.

Most popular time to fly with an average 8% increase in price.

Flight from Boise 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.