$411+ Cheap flights from Flagstaff to Boston (FLG - BOS)
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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — BOS
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Flagstaff to Boston 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Flagstaff to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Flagstaff to BostonExplore the most affordable flight options available from Flagstaff to Boston. 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 Flagstaff to Boston. 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 9/5. 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.
Wed 10/2111:52 am -
1 stop8h 53m
Wed 10/286:27 am -
1 stop8h 38m
Deal found 9/5![American Airlines logo]()
$486
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.
Thu 11/121:22 pm -
1 stop7h 06m
Sun 11/154:52 pm -
1 stop8h 51m
Deal found 9/5![American Airlines logo]()
$546
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.
Fri 10/210:40 am -
1 stop7h 16m
Tue 10/1312:00 pm -
2 stops11h 39m
Deal found 9/8![American Airlines logo]()
$624
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.
Sat 10/312:37 pm -
1 stop7h 57m
Wed 10/1412:29 pm -
2 stops10h 20m
Deal found 9/8![American Airlines logo]()
$730
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.
Thu 10/111:43 am -
1 stop8h 47m
Wed 10/142:54 pm -
2 stops9h 29m
Deal found 9/8![American Airlines logo]()
$734
Best flights from Flagstaff to BostonDiscover carefully curated flight deals from Flagstaff to Boston 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 Flagstaff to Boston 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 10/2111:52 am -
1 stop8h 53m
Wed 10/286:27 am -
1 stop8h 38m
Deal found 9/8![American Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 9/9. 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 11/1212:41 pm -
1 stop9h 05m
Sun 11/154:52 pm -
1 stop8h 51m
Deal found 9/9![American Airlines logo]()
$546
Last-minute flights from Flagstaff to BostonDiscover last-minute flight deals from Flagstaff to Boston. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Flagstaff to Boston. Data last updated September 9, 2026 and is based on user searches.
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.
Thu 10/111:43 am -
1 stop8h 47m
Wed 10/142:54 pm -
2 stops9h 29m
Deal found 9/8![American Airlines logo]()
$734
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.
Fri 10/210:40 am -
1 stop7h 16m
Tue 10/1312:00 pm -
2 stops11h 39m
Deal found 9/8![American Airlines logo]()
$624
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.
Fri 10/210:40 am -
2 stops9h 48m
Wed 10/1411:21 am -
2 stops11h 28m
Deal found 9/8![American Airlines logo]()
$767
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.
Sat 10/312:37 pm -
1 stop7h 57m
Wed 10/1412:29 pm -
2 stops10h 20m
Deal found 9/8![American Airlines logo]()
$730
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.
Sat 10/312:37 pm -
1 stop7h 57m
Tue 10/131:17 pm -
1 stop10h 22m
Deal found 9/8![American Airlines logo]()
$795
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.
Wed 10/2111:52 am -
1 stop8h 53m
Wed 10/286:27 am -
1 stop8h 38m
Deal found 9/5![American Airlines logo]()
$486
One-way flights from Flagstaff to BostonSearch for one-way flight options from Flagstaff to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Flagstaff to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
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 9/2510:40 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$411
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.
Sun 9/2710:40 am -
2 stops10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$611
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:34 am -
3 stops43h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$872
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:40 am -
3 stops43h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$975
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:14 pm -
3 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$983
Find flight deals from Flagstaff to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Flagstaff (FLG) to Boston (BOS). 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 | $486 (American Airlines) |
One-way from | $411 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Flagstaff to Boston 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 Flagstaff to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Fri 9/25
10:40 am-8:56 pm
1 stop7h 16m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$411
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Sun 9/27
6:14 pm-6:23 am
1 stop9h 09m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$411
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Thu 10/15
10:34 am-11:25 pm
2 stops9h 51m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$421
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Wed 10/21
11:52 am-11:45 pm
1 stop8h 53m
Boston Logan Intl
Wed 10/28
6:27 am-12:05 pm
1 stop8h 38m
$486
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Thu 11/12
12:41 pm-11:46 pm
1 stop9h 05m
Boston Logan Intl
Sun 11/15
4:52 pm-11:43 pm
1 stop8h 51m
$546
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Thu 10/15
10:34 am-9:05 am
3 stops43h 31m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$872
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Sun 9/27
10:40 am-9:05 am
3 stops43h 25m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$975
FlagstaffBoston
FLG Flagstaff Pulliam - BOS Boston Logan Intl
FLGBOS
Flagstaff Pulliam
Fri 9/25
5:14 pm-9:05 am
3 stops36h 51m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$983
Sorted by cheapest first
Compare providers for flights from Flagstaff to Boston
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 Flagstaff to Boston 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 Flagstaff-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flagstaff-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flagstaff-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Flagstaff-Boston 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 Flagstaff-Boston 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 Flagstaff to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Flagstaff with our price prediction graph.
FLG-BOS
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 Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 9, 2026.
Get a feel of what it's like to fly with American Airlines from Flagstaff to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Comfort
7.2
Food
6.4
Entertainment
6.8
Boarding
7.5
Overall
7.1
Reviews
1 / 20
4.0
OkayAmanda,Sep 2023
PHX - OGG
Crew
7.9
Comfort
7.2
Food
6.4
Entertainment
6.8
Boarding
7.5
Overall
7.1
Reviews
1 / 20
4.0
OkayAmanda,Sep 2023
PHX - OGG
Related info for your journey
Find useful and relevant information for your journey from Flagstaff to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Flagstaff to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Flagstaff to Boston by cabin class
Find flights from Flagstaff to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Flagstaff and Boston flights
Browse other Flagstaff and Boston flight options. Last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Flagstaff to Boston
Discover the top airline that operate flights from Flagstaff to Boston. 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$505 | Average$655 | FlexibilityNo cancel fee | On-time71% |