$406+ Cheap flights from Boise to Flagstaff (BOI - FLG)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FLG
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Flagstaff with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
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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 September 9, 2026.
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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:06 am -
1 stop6h 03m
Wed 12/212:41 pm -
1 stop6h 43m
Deal found 9/8![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:06 am -
1 stop6h 04m
Sun 11/157:05 pm -
1 stop4h 54m
Deal found 9/6![American Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:03 pm -
1 stop4h 32m
Sun 11/87:05 pm -
1 stop4h 54m
Deal found 9/6![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:29 pm -
1 stop4h 54m
Sun 10/186:20 pm -
1 stop4h 39m
Deal found 9/4![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am -
1 stop4h 37m
Sun 9/276:14 pm -
1 stop4h 27m
Deal found 9/8![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:55 pm -
1 stop4h 54m
Thu 9/106:14 pm -
1 stop4h 27m
Deal found 9/4![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
1 stop4h 37m
Wed 10/146:20 pm -
1 stop4h 39m
Deal found 9/7![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
1 stop4h 37m
Tue 10/1310:34 am -
1 stop5h 25m
Deal found 9/7![American Airlines logo]()
$668
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:05 am -
1 stop4h 08m
Wed 9/1610:37 am -
1 stop5h 26m
Deal found 9/5![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am -
1 stop5h 43m
Fri 9/2510:40 am -
1 stop5h 23m
Deal found 9/6![American Airlines logo]()
$752
Best flights from Boise to FlagstaffDiscover 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 September 9, 2026.
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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:06 am -
1 stop6h 03m
Wed 12/212:41 pm -
1 stop6h 43m
Deal found 9/8![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/311:35 am -
1 stop5h 21m
Wed 3/107:00 am -
1 stop4h 22m
Deal found 9/8![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:41 am -
1 stop6h 04m
Sun 3/75:50 pm -
1 stop5h 48m
Deal found 9/8![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:06 am -
1 stop6h 04m
Sun 11/157:05 pm -
1 stop4h 54m
Deal found 9/6![American Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:29 pm -
1 stop4h 54m
Sun 10/186:20 pm -
1 stop4h 39m
Deal found 9/4![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
1 stop4h 37m
Wed 10/146:20 pm -
1 stop4h 39m
Deal found 9/7![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:03 pm -
1 stop4h 32m
Fri 12/1112:41 pm -
1 stop6h 43m
Deal found 9/7![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am -
1 stop5h 43m
Fri 9/2510:40 am -
1 stop5h 23m
Deal found 9/6![American Airlines logo]()
$752
Last-minute flights from Boise to FlagstaffDiscover last-minute flight deals from Boise to Flagstaff. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Flagstaff. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:05 am -
1 stop4h 08m
Wed 9/1610:37 am -
1 stop5h 26m
Deal found 9/5![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am -
1 stop5h 43m
Fri 9/2510:40 am -
1 stop5h 23m
Deal found 9/6![American Airlines logo]()
$752
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am -
1 stop4h 37m
Sun 9/276:14 pm -
1 stop4h 27m
Deal found 9/8![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
1 stop4h 37m
Wed 10/146:20 pm -
1 stop4h 39m
Deal found 9/7![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
1 stop4h 37m
Tue 10/1310:34 am -
1 stop5h 25m
Deal found 9/7![American Airlines logo]()
$668
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:29 pm -
1 stop4h 54m
Sun 10/186:20 pm -
1 stop4h 39m
Deal found 9/4![American Airlines logo]()
$505
Find flight deals from Boise to Flagstaff
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Flagstaff (FLG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $406 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Flagstaff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Boise to Flagstaff that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Wed 11/25
6:06 am-12:09 pm
1 stop6h 03m
Flagstaff Pulliam
Wed 12/2
12:41 pm-7:24 pm
1 stop6h 43m
$406
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Wed 3/3
11:35 am-4:56 pm
1 stop5h 21m
Flagstaff Pulliam
Wed 3/10
7:00 am-11:22 am
1 stop4h 22m
$406
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Tue 3/2
6:41 am-12:45 pm
1 stop6h 04m
Flagstaff Pulliam
Sun 3/7
5:50 pm-11:38 pm
1 stop5h 48m
$461
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Thu 11/12
6:06 am-12:10 pm
1 stop6h 04m
Flagstaff Pulliam
Sun 11/15
7:05 pm-11:59 pm
1 stop4h 54m
$476
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Fri 10/16
5:29 pm-9:23 pm
1 stop4h 54m
Flagstaff Pulliam
Sun 10/18
6:20 pm-11:59 pm
1 stop4h 39m
$505
Quickest round-trip
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Fri 9/25
6:30 am-10:07 am
1 stop4h 37m
Flagstaff Pulliam
Wed 10/14
6:20 pm-11:59 pm
1 stop4h 39m
$549
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Tue 12/8
2:03 pm-6:35 pm
1 stop4h 32m
Flagstaff Pulliam
Fri 12/11
12:41 pm-7:24 pm
1 stop6h 43m
$719
BoiseFlagstaff
BOI Boise Air Term. Gowen Fld - FLG Flagstaff Pulliam
BOIFLG
Boise Air Term. Gowen Fld
Mon 9/21
6:30 am-11:13 am
1 stop5h 43m
Flagstaff Pulliam
Fri 9/25
10:40 am-5:03 pm
1 stop5h 23m
$752
Sorted by cheapest first
Compare providers for flights from Boise to Flagstaff
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Flagstaff in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Flagstaff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Flagstaff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Flagstaff flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Flagstaff flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Flagstaff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BOI-FLG
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 insights into the airlines that provide service to Flagstaff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Flagstaff. Reviews last updated September 9, 2026.
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.
Overall
7.1
Comfort
7.2
Entertainment
6.8
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Overall
7.1
Comfort
7.2
Entertainment
6.8
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
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.
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Boise and Flagstaff flights
Browse other Boise and Flagstaff flight options. Last updated on September 9, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boise to Flagstaff
Discover the top airline that operate flights from Boise to Flagstaff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$415 | Average$526 | FlexibilityNo cancel fee | On-time71% |