What is the cheapest airline to fly from Boise to Flagstaff round-trip?

Cheapflights users have booked flights from Boise to Flagstaff round-trip from $366. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest month to book a flight from Boise to Flagstaff?

Currently, July is the cheapest month in which you can book a flight from Boise to Flagstaff (average of $548). Flying from Boise to Flagstaff in March is currently the most expensive (average of $660). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Boise to Flagstaff?

Travelers seeking maximum savings on their Boise to Flagstaff flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Flagstaff ranges from 0.4 - 2.7 inches per month. August is typically the wettest month, when rainfall can reach 2.7 in. June is typically the driest time to visit Flagstaff when rainfall is around 0.4 in.

If weather is an important factor for your trip to Flagstaff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Boise to Flagstaff?

Wednesday flights are generally found to be more expensive for flights from Boise to Flagstaff. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Flagstaff.

What is the cheapest month to fly from Boise to Flagstaff?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Flagstaff. Flights to Flagstaff from Boise in April are about $659 on average during April, but can be found for as low as $448.

What is the cheapest time of day to fly from BOI to FLG?

When flying from Boise to Flagstaff, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 8% versus a flight at noon.

Can I find deals for flights from Boise to Flagstaff that include hotel bookings?

Yes. In addition to deals on Boise to Flagstaff flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boise to Flagstaff?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Flagstaff.

Can I find deals for business class flights from Boise to Flagstaff?

Yes. Cheapflights offers flight deals from Boise to Flagstaff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$175+ Flights from Boise to Flagstaff

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Cheap flight deals from Boise to Flagstaff

Round-trip from	$366 (American Airlines)
One-way from	$175 (American Airlines)
Popular in	June
Cheapest in	April
Average price	$666

From Boise Air Term. Gowen Fld to Flagstaff Pulliam

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One-way flight from Boise Air Term. Gowen Fld to Flagstaff Pulliam

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Highest demand for flights based on searches. 22% potential increase in price ($190 potential increase over avg. RT price).

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Cheapest flight prices on average. 12% potential price decrease ($76 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Boise to Flagstaff

Cheapest flights from Boise to Flagstaff
Explore the most affordable flight options available from Boise to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Mon 10/66:40 amBOI - FLG

1 stop7h 08mAmerican Airlines

Sun 10/126:20 pmFLG - BOI

1 stop4h 12mAmerican Airlines

Deal found 7/29

$366

Best flights from Boise to Flagstaff
Discover carefully curated flight deals from Boise to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Mon 10/66:40 amBOI - FLG

1 stop7h 08mAmerican Airlines

Sun 10/126:20 pmFLG - BOI

1 stop4h 12mAmerican Airlines

Deal found 7/29

$366

Last-minute flights from Boise to Flagstaff
Discover last-minute flight deals from Boise to Flagstaff. Data last updated July 29, 2025 and is based on user searches.

Wed 8/206:35 amBOI - FLG

1 stop4h 23mAmerican Airlines

Sat 8/238:15 amFLG - BOI

1 stop4h 05mAmerican Airlines

Deal found 7/28

$386

One-way flights from Boise to Flagstaff
Search for one-way flight options from Boise to Flagstaff. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 9/166:35 amBOI - FLG

1 stop4h 23mAmerican Airlines

Deal found 7/29

$175

Fly from

Fly to

Route

Depart

Return

Price

BoiseFlagstaff

BOI - FLG

BOIFLG

Boise Air Term. Gowen Fld

Mon 10/6

6:40 am-12:48 pm

1 stop7h 08m

Flagstaff Pulliam

Sun 10/12

6:20 pm-11:32 pm

1 stop4h 12m

$366

BoiseFlagstaff

BOI - FLG

BOIFLG

Boise Air Term. Gowen Fld

Tue 9/16

6:35 am-9:58 am

1 stop4h 23m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Boise to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Boise with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Flagstaff

Get a feel of what it's like to fly with American Airlines from Boise to Flagstaff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

What is the cheapest airline to fly from Boise to Flagstaff round-trip?
Cheapflights users have booked flights from Boise to Flagstaff round-trip from $366. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Boise to Flagstaff that include hotel bookings?
Yes. In addition to deals on Boise to Flagstaff flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Flagstaff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Flagstaff.
Can I find deals for business class flights from Boise to Flagstaff?
Yes. Cheapflights offers flight deals from Boise to Flagstaff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boise to Flagstaff?
Currently, July is the cheapest month in which you can book a flight from Boise to Flagstaff (average of $548). Flying from Boise to Flagstaff in March is currently the most expensive (average of $660). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Williams

Winslow

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Alternative routes for Boise to Flagstaff

Top airline flying from Boise to Flagstaff

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$415	Average$591	FlexibilityNo cancel fee	On-time71%

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$175+ Cheap flights from Boise to Flagstaff (BOI - FLG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Flagstaff with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Flagstaff

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boise to Flagstaff

Cheapest flights from Boise to FlagstaffExplore the most affordable flight options available from Boise to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Boise to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

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Use the filters below to find and compare flights from Boise to Flagstaff that are best for you.

Best time to book a flight from Boise to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Boise with our price prediction graph.

Reviews of airlines servicing Flagstaff

Get a feel of what it's like to fly with American Airlines from Boise to Flagstaff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boise to Flagstaff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Boise to Flagstaff round-trip?

Can I find deals for flights from Boise to Flagstaff that include hotel bookings?

How can I find direct flights from Boise to Flagstaff?

Can I find deals for business class flights from Boise to Flagstaff?

What is the cheapest month to book a flight from Boise to Flagstaff?

Traveling to a place near Flagstaff?

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Alternative routes for Boise to Flagstaff

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Top airline flying from Boise to Flagstaff

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Cheapest flights from Boise to Flagstaff
Explore the most affordable flight options available from Boise to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.