BOI - FLG

$476 Find Cheap Flights from Boise to Flagstaff - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$406
Typical prices: $469-$741
American Airlines
Wed 9/19Wed 9/26
BOI - FLG • 1 stop
When to travel
March
Cheapest • 27% price drop
June
Most popular
Good to know
+1
Good to know
+1
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Booking Insights
Flight Deals

Cheap Flights from Boise to Flagstaff (BOI-FLG)

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

Recent round-trip flight deals from Boise to Flagstaff

Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
2:03 pm - 6:35 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
4h 32m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:05 pm - 11:59 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
4h 54m1 stop Phoenix Sky Harbor Intl
$476American Airlines
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
2:02 pm - 5:44 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
4h 42m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:20 pm - 11:59 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
4h 39m1 stop Phoenix Sky Harbor Intl
$517American Airlines
Mon, Sep 28 - Tue, Sep 29
American Airlines Logo
6:30 am - 11:13 amBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
5h 43m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:14 pm - 10:03 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
3h 49m1 stop Phoenix Sky Harbor Intl
$719American Airlines
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
8:01 am - 1:20 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
6h 19m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:42 am - 4:49 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
4h 07m1 stop Phoenix Sky Harbor Intl
$752American Airlines
Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
6:14 pm - 11:44 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
5h 30m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:41 pm - 10:42 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
10h 01m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$966American Airlines
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
12:14 pm - 9:23 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
10h 09m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
10:34 am - 4:59 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
5h 25m1 stop Phoenix Sky Harbor Intl
$966American Airlines
Mon, Sep 28 - Tue, Sep 29
American Airlines Logo
8:05 am - 11:13 amBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
4h 08m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:43 am - 10:27 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
9h 44m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$1,038American Airlines
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
6:44 am - 5:49 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
12h 05m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
11:42 am - 4:49 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
4h 07m1 stop Phoenix Sky Harbor Intl
$1,090American Airlines
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
6:44 am - 5:49 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
12h 05m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
11:42 am - 10:11 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
9h 29m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$1,429American Airlines
Mon, Sep 28 - Tue, Sep 29
American Airlines Logo
7:02 am - 3:00 pmBOI  Boise Air Term. Gowen Fld-FLG Flagstaff Pulliam
8h 58m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
10:40 am - 10:27 pmFLG  Flagstaff Pulliam-BOI Boise Air Term. Gowen Fld
10h 47m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$1,450American Airlines
Booking Insights

Price, demand and travel trends for Boise to Flagstaff flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boise to Flagstaff with more confidence.

How much is a round-trip flight from Boise to Flagstaff?

Round-trip flights from Boise to Flagstaff start at $406. Prices are below average for this route right now, with typical round-trip fares ranging from $469 to $741. The lowest price found in the past 5 days was $406 on American Airlines.

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Key details for Boise to Flagstaff flights

Low season

December

Cheapest flight

$406
Most popular time to fly with an average 33% increase in price.
Flight from Boise to Flagstaff

When to book flights from Boise to Flagstaff

Are your dates flexible? Find out the best times to travel from Boise to Flagstaff based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to Flagstaff flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boise to Flagstaff?

    Flights from Boise to Flagstaff usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Flagstaff Pulliam (FLG).

  • What cabin classes can I book on flights from Boise to Flagstaff?

    Only Economy Class is available on flights from Boise to Flagstaff.

  • Which airports do connecting flights from Boise to Flagstaff pass through?

    Most connecting flights from Boise to Flagstaff pass through Phoenix Sky Harbor Intl (PHX), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Boise to Flagstaff?

    Yes. Being flexible with your travel dates can save you up to 46% on the Boise to Flagstaff route. Wednesday is the cheapest departure day at $465 round-trip on average, while Monday is the most expensive at $856, a difference of $391. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from Boise to Flagstaff?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Boise to Flagstaff changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $406 to $1,739. That means the highest observed fare was about 4x higher than the lowest one.

  • What is the time difference between Boise and Flagstaff?

    Flagstaff is 1 hour behind Boise (Mountain Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Flagstaff Pulliam Airport (FLG)?

    Flagstaff Pulliam Airport (FLG) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    · Budget
    · Hertz
    · Alamo
    · Dollar
    · Enterprise Rent-A-Car

  • How much should I expect to pay for a Boise to Flagstaff flight?

    Round-trip flights from Boise to Flagstaff range from $469 to $741, with an average of $640 over the past 12 months. Anything below $469 counts as a good deal.

Your guide to booking Boise to Flagstaff flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $465 - about $391 less than Monday (46% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Flagstaff trip for March. Fares historically average $465 round-trip in that month - typically $390 less than the most expensive month, which is June (based on the last 12 months).

Everything you need to know for your flight from Boise to Flagstaff

Information on your arrival and departure airports

Boise (BOI)
Flagstaff (FLG)