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Decatur

$196+ Cheap flights from Boston to Decatur, IL (BOS - DEC)

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DEC
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Boston to Decatur

Cheapest flights from Boston to Decatur
Explore the most affordable flight options available from Boston to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:45 pm
BOS
-
DEC
1 stop6h 16m
United Airlines
Sun 2/159:50 am
DEC
-
BOS
2 stops8h 18m
United Airlines
Deal found 1/27$334
This United Airlines deal was found by Cheapflights users on 1/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:21 pm
BOS
-
DEC
1 stop24h 40m
United Airlines
Fri 2/137:15 pm
DEC
-
BOS
1 stop21h 11m
United Airlines
Deal found 1/24$347
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:48 am
BOS
-
DEC
2 stops11h 06m
United Airlines
Tue 2/247:15 pm
DEC
-
BOS
1 stop21h 04m
United Airlines
Deal found 1/26$358
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:20 pm
BOS
-
DEC
1 stop6h 31m
United Airlines
Sat 8/296:55 pm
DEC
-
BOS
1 stop5h 14m
United Airlines
Deal found 1/25$360
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:02 am
BOS
-
DEC
1 stop7h 51m
United Airlines
Fri 3/137:15 pm
DEC
-
BOS
2 stops13h 41m
United Airlines
Deal found 1/27$492

Find flight deals from Boston to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Decatur (DEC). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$334
(United Airlines)

One-way from

$196
(United Airlines)
Provider with most accurate pricing for Boston Logan Intl-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Decatur Arpt flights.
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From Boston Logan Intl to Decatur Arpt
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One-way flight from Boston Logan Intl to Decatur Arpt
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Decatur 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 January 27, 2026.
Use the filters below to find and compare flights from Boston to Decatur that are best for you.

Fly from

Boston

Fly to

Decatur

Route

Depart

Return

Price

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Wed 2/11

12:45 pm-6:01 pm

1 stop6h 16m

Decatur Arpt

Sun 2/15

9:50 am-7:08 pm

2 stops8h 18m

$334

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Mon 2/9

6:21 pm-6:01 pm

1 stop24h 40m

Decatur Arpt

Fri 2/13

7:15 pm-5:26 pm

1 stop21h 11m

$347

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Sat 2/21

4:25 pm-5:54 pm

1 stop26h 29m

Decatur Arpt

Tue 2/24

7:15 pm-12:46 pm

1 stop16h 31m

$353

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Tue 3/10

11:02 am-5:53 pm

1 stop7h 51m

Decatur Arpt

Fri 3/13

7:15 pm-9:56 am

2 stops13h 41m

$492

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Thu 2/12

7:45 am-5:54 pm

1 stop11h 09m

$196

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Fri 3/20

8:15 am-5:53 pm

1 stop10h 38m

$224

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Fri 3/13

7:34 pm-5:53 pm

2 stops23h 19m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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

Have a flexible travel schedule? Discover the best time to fly to Decatur 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 Decatur

What is the cheapest month to book a flight from Boston to Decatur, Illinois?

Currently, September is the cheapest month in which you can book a flight from Boston to Decatur, Illinois (average of $178). Flying from Boston to Decatur, Illinois in February is currently the most expensive (average of $464). 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.

Reviews of airlines servicing Decatur

Get insights into the airlines that provide service to Decatur. 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 Decatur. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown United Airlines from Boston to Decatur. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Boston to Decatur. 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 Decatur, Illinois?

    United Airlines can get you from Boston to Decatur, Illinois in just under 6h 16m. Your travel time can differ by up to . Airlines will cover a distance of 944 mi.

  • What is the cheapest airline to fly from Boston to Decatur, Illinois round-trip?

    According to our current data, United Airlines ($327), offers the cheapest pricing from Boston to Decatur, Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Decatur 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 Decatur, Illinois?

    Currently, September is the cheapest month in which you can book a flight from Boston to Decatur, Illinois (average of $178). Flying from Boston to Decatur, Illinois in February is currently the most expensive (average of $464). 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 Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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Top airline flying from Boston to Decatur

Discover the top airline that operate flights from Boston to Decatur. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$327Average$449FlexibilityNo cancel feeOn-time69%

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