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Flagstaff

$516+ Cheap flights from Boston to Flagstaff (BOS - 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FLG
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
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Cheap flight deals from Boston to Flagstaff

Cheapest flights from Boston to Flagstaff
Explore the most affordable flight options available from Boston to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.

This American Airlines deal was found by Cheapflights users on 8/7. 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 10/166:27 am -
1 stop8h 38m
Tue 10/2012:45 pm -
1 stop8h 10m
Deal found 8/7$516
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 10/105:17 am -
1 stop9h 48m
Tue 10/2012:45 pm -
1 stop7h 05m
Deal found 8/6$522
This American Airlines deal was found by Cheapflights users on 8/9. 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 10/17:02 am -
1 stop7h 51m
Sun 10/116:20 pm -
1 stop8h 38m
Deal found 8/9$546
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 12/155:33 am -
1 stop8h 14m
Sat 12/199:43 am -
1 stop8h 25m
Deal found 8/6$552
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Thu 10/292:29 pm -
1 stop8h 20m
Sun 11/18:00 am -
1 stop9h 33m
Deal found 8/5$566
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 10/116:27 am -
1 stop8h 38m
Thu 10/2210:34 am -
1 stop8h 10m
Deal found 8/5$582
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/245:51 am -
1 stop9h 03m
Sat 8/2910:30 am -
1 stop9h 54m
Deal found 8/5$588
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/105:51 am -
1 stop9h 03m
Thu 8/2012:35 pm -
1 stop8h 24m
Deal found 8/6$618
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 10/1012:00 pm -
2 stops11h 39m
Wed 10/2110:34 am -
2 stops9h 03m
Deal found 8/6$625

Find flight deals from Boston to Flagstaff

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$516
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$596
Provider with most accurate pricing for Boston Logan Intl-Flagstaff Pulliam flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Flagstaff Pulliam flights.
Search Deals
From Boston Logan Intl to Flagstaff Pulliam
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Boston to Flagstaff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Sat 10/10

6:20 am-12:05 pm

1 stop8h 45m

Flagstaff Pulliam

Wed 10/21

7:15 am-7:52 pm

1 stop9h 37m

$522

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Sat 10/10

5:17 am-12:05 pm

1 stop9h 48m

Flagstaff Pulliam

Tue 10/20

12:45 pm-10:50 pm

1 stop7h 05m

$522

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Thu 10/15

6:27 am-12:05 pm

1 stop8h 38m

Flagstaff Pulliam

Mon 10/19

12:45 pm-11:55 pm

1 stop8h 10m

$546

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Fri 10/16

5:17 am-12:05 pm

1 stop9h 48m

Flagstaff Pulliam

Sat 10/24

10:34 am-10:50 pm

2 stops9h 16m

$588
Quickest round-trip

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Mon 8/24

6:45 am-11:54 am

1 stop8h 09m

Flagstaff Pulliam

Sat 8/29

12:35 pm-11:37 pm

1 stop8h 02m

$588

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Sun 8/23

5:51 am-11:54 am

1 stop9h 03m

Flagstaff Pulliam

Sat 8/29

12:35 pm-11:37 pm

1 stop8h 02m

$588

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Fri 10/16

5:17 am-12:05 pm

1 stop9h 48m

Flagstaff Pulliam

Tue 10/20

10:34 am-11:25 pm

2 stops9h 51m

$588

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Thu 10/29

6:30 am-11:16 am

1 stop7h 46m

Flagstaff Pulliam

Mon 11/2

7:37 am-8:51 pm

2 stops11h 14m

$620
Cheapest one-way
Quickest one-way

BostonFlagstaff

BOS Boston Logan Intl - FLG Flagstaff Pulliam

BOSFLG

Boston Logan Intl

Sun 11/8

4:52 pm-11:44 pm

1 stop8h 52m

$1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Sorted by cheapest first

Compare providers for flights from Boston 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 Boston to Flagstaff in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Flagstaff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Flagstaff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Flagstaff flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Boston 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Flagstaff

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

Currently, February is the cheapest month in which you can book a flight from Boston to Flagstaff (average of $486). Flying from Boston to Flagstaff in June is currently the most expensive (average of $785). 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.

How much does it cost to fly round-trip from Boston to Flagstaff?

Airfare is below average for this route at the moment.

Boston to Flagstaff flights typically cost between $571 and $600 in October.
The cheapest round-trip price found within the last 5 days was $516 on American Airlines (Oct 16-Oct 20).

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 August 10, 2026.
Peruse reviews from past customers who have flown with American Airlines from Boston to Flagstaff to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,899 reviews

Overall

7.1

Comfort

7.2

Crew

7.9

Food

6.4

Entertainment

6.8

Boarding

7.5

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.
American Airlines
7.1
Good
11,899 reviews
American Airlines
7.1
Good
11,899 reviews

Overall

7.1

Comfort

7.2

Crew

7.9

Food

6.4

Entertainment

6.8

Boarding

7.5

Reviews

1 / 20
6.0
Good

Kristin,Jul 2026

DCA - PHX

We got delayed because of filling up more gas then a storm hit after that so we sat in the plane for 1.5 hours more. It was hot while we waited.

Related info for your journey

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

  • How long is the flight from Boston to Flagstaff?

    A quick flight from Boston to Flagstaff can take about 8h 45m. American Airlines provides one of the quickest options available for as low as $522. The distance between Boston and Flagstaff is about 2223 mi.

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

    Our cheapest airline available from Boston to Flagstaff is American Airlines. Our recent data shows that you can find tickets from as low as $455 on this airline. Users have found that American Airlines is 26% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Boston to Flagstaff?

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Flagstaff?

    Currently, February is the cheapest month in which you can book a flight from Boston to Flagstaff (average of $486). Flying from Boston to Flagstaff in June is currently the most expensive (average of $785). 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

Traveling to a place near Flagstaff?

Book flights to Flagstaff if you plan to visit one of these locations
Winslow
Williams

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Top airline flying from Boston to Flagstaff

Discover the top airline that operate flights from Boston 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 2,558,603 searches. Data last updated August 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$455Average$603FlexibilityNo cancel feeOn-time71%

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