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Flagstaff

$272+ Cheap flights from Boston to Flagstaff (BOS - 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FLG
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This American Airlines deal was found by Cheapflights users on 5/9. 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.
Tue 6/26:20 am
BOS
-
FLG
1 stop7h 53m
American Airlines
Tue 6/912:35 pm
FLG
-
BOS
1 stop8h 24m
American Airlines
Deal found 5/9$455
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 10/241:00 pm
BOS
-
FLG
1 stop9h 24m
American Airlines
Wed 10/287:00 am
FLG
-
BOS
1 stop9h 42m
American Airlines
Deal found 5/9$476
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sun 6/77:00 am
BOS
-
FLG
1 stop7h 55m
American Airlines
Tue 6/3012:35 pm
FLG
-
BOS
1 stop8h 24m
American Airlines
Deal found 5/8$506
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/26:20 am
BOS
-
FLG
1 stop7h 53m
American Airlines
Sat 6/610:25 am
FLG
-
BOS
2 stops11h 15m
American Airlines
Deal found 5/7$527
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Fri 7/36:00 am
BOS
-
FLG
1 stop8h 54m
American Airlines
Mon 7/612:35 pm
FLG
-
BOS
1 stop8h 24m
American Airlines
Deal found 5/9$536
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 9/256:00 am
BOS
-
FLG
1 stop8h 59m
American Airlines
Sat 10/312:36 pm
FLG
-
BOS
1 stop7h 34m
American Airlines
Deal found 5/8$542

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$455
(American Airlines)

One-way from

$272
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$575
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
One-way flight from Boston Logan Intl to Flagstaff Pulliam
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 11, 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 - FLG

BOSFLG

Boston Logan Intl

Sun 6/7

7:00 am-11:55 am

1 stop7h 55m

Flagstaff Pulliam

Tue 6/30

12:35 pm-11:59 pm

1 stop8h 24m

$506

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Fri 7/3

6:00 am-11:54 am

1 stop8h 54m

Flagstaff Pulliam

Mon 7/6

12:35 pm-11:59 pm

1 stop8h 24m

$536

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Thu 9/3

6:45 am-11:53 am

1 stop8h 08m

Flagstaff Pulliam

Sun 9/6

12:36 pm-11:59 pm

1 stop8h 23m

$536

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Wed 10/14

6:00 am-11:59 am

1 stop8h 59m

Flagstaff Pulliam

Mon 10/19

6:59 pm-5:42 am

1 stop7h 43m

$542

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Tue 6/2

6:20 am-1:18 pm

1 stop9h 58m

Flagstaff Pulliam

Sat 6/6

10:25 am-5:05 am

1 stop15h 40m

$544
Quickest round-trip

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Thu 5/28

6:19 am-11:13 am

1 stop7h 54m

Flagstaff Pulliam

Thu 6/4

12:35 pm-11:09 pm

1 stop7h 34m

$562

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Sat 8/15

7:30 am-11:53 am

1 stop7h 23m

Flagstaff Pulliam

Tue 8/25

10:30 am-11:55 pm

2 stops10h 25m

$596

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Thu 6/18

6:00 am-11:55 am

1 stop8h 55m

Flagstaff Pulliam

Mon 6/22

12:35 pm-12:40 am

2 stops9h 05m

$610

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Sat 10/17

2:59 pm-10:40 pm

2 stops10h 41m

Flagstaff Pulliam

Sat 11/21

7:05 pm-5:31 am

1 stop8h 26m

$612

BostonFlagstaff

BOS - FLG

BOSFLG

Boston Logan Intl

Sat 6/13

7:00 am-11:55 am

1 stop7h 55m

Flagstaff Pulliam

Fri 6/19

6:27 pm-6:09 am

1 stop8h 42m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 May.
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 March is currently the most expensive (average of $725). 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?

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 May 11, 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
11,665 reviews

Crew

7.9

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,665 reviews
American Airlines
7.1
Good
11,665 reviews

Crew

7.9

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 7h 55m. American Airlines provides one of the quickest options available for as low as $506. 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 $435 on this airline. Users have found that American Airlines is 25% 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 March is currently the most expensive (average of $725). 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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$435Average$578FlexibilityNo cancel feeOn-time71%

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