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$341+ Cheap flights from Decatur, IL to Boston (DEC - 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — BOS
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
1 adult, Economy
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Cheap flight deals from Decatur to Boston

Cheapest flights from Decatur to Boston
Explore the most affordable flight options available from Decatur to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 15, 2026.

This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 10/17:18 pm
DEC
-
BOS
1 stop4h 41m
United Airlines
Mon 10/512:45 pm
BOS
-
DEC
1 stop6h 58m
United Airlines
Deal found 7/13$341
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 10/17:18 pm
DEC
-
BOS
1 stop4h 41m
United Airlines
Sun 10/412:45 pm
BOS
-
DEC
1 stop6h 58m
United Airlines
Deal found 7/13$384
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/86:45 pm
DEC
-
BOS
1 stop5h 29m
United Airlines
Fri 8/146:00 am
BOS
-
DEC
2 stops12h 59m
United Airlines
Deal found 7/12$387
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/16:45 pm
DEC
-
BOS
1 stop5h 29m
United Airlines
Tue 8/412:30 pm
BOS
-
DEC
1 stop6h 26m
United Airlines
Deal found 7/11$394
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/247:20 pm
DEC
-
BOS
1 stop16h 30m
United Airlines
Wed 8/269:00 am
BOS
-
DEC
1 stop9h 59m
United Airlines
Deal found 7/10$400
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/16:45 pm
DEC
-
BOS
1 stop5h 29m
United Airlines
Wed 8/58:00 am
BOS
-
DEC
2 stops10h 56m
United Airlines
Deal found 7/11$404
This United Airlines deal was found by Cheapflights users on 7/11. 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 7/299:37 am
DEC
-
BOS
1 stop14h 37m
United Airlines
Tue 8/412:30 pm
BOS
-
DEC
1 stop6h 26m
United Airlines
Deal found 7/11$418
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Fri 7/319:37 am
DEC
-
BOS
2 stops8h 51m
United Airlines
Wed 8/58:00 am
BOS
-
DEC
2 stops10h 56m
United Airlines
Deal found 7/11$434

Find flight deals from Decatur to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Decatur (DEC) 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 July 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Decatur Arpt-Boston Logan Intl flights.
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From Decatur Arpt to Boston Logan Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur 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 2,558,603 searches. Data last updated July 15, 2026.
Use the filters below to find and compare flights from Decatur to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Thu 10/1

7:18 pm-12:59 am

1 stop4h 41m

Boston Logan Intl

Sun 10/4

12:45 pm-6:43 pm

1 stop6h 58m

$384

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Mon 8/24

7:20 pm-12:50 pm

1 stop16h 30m

Boston Logan Intl

Wed 8/26

9:00 am-5:59 pm

1 stop9h 59m

$400

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Thu 7/30

6:45 pm-9:56 pm

1 stop26h 11m

Boston Logan Intl

Tue 8/4

10:55 am-5:56 pm

2 stops8h 01m

$428

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Fri 7/31

9:37 am-7:28 pm

2 stops8h 51m

Boston Logan Intl

Wed 8/5

8:00 am-5:56 pm

2 stops10h 56m

$434

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Wed 7/29

6:45 pm-9:29 am

1 stop13h 44m

Boston Logan Intl

Sun 8/2

6:00 am-8:57 am

1 stop27h 57m

$442

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sat 8/8

6:45 pm-11:21 pm

1 stop27h 36m

Boston Logan Intl

Fri 8/14

12:27 pm-5:59 pm

1 stop6h 32m

$500

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sun 8/2

9:37 am-1:13 am

1 stop14h 36m

Boston Logan Intl

Wed 8/5

7:19 am-5:56 pm

1 stop11h 37m

$510

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sun 8/2

9:37 am-1:13 am

1 stop14h 36m

Boston Logan Intl

Tue 8/4

9:50 am-5:56 pm

1 stop9h 06m

$510

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Wed 7/29

9:37 am-7:30 pm

1 stop8h 53m

Boston Logan Intl

Fri 7/31

7:19 am-5:56 pm

1 stop11h 37m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

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

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

Related info for your journey

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

    Departing from Decatur, Illinois to Boston will take you 4h 41m. The distance between Decatur, Illinois and Boston is about 944 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Decatur to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Randolph
Cambridge
Concord
Brockton
Seekonk
Hampton Beach
Cranston
Dedham
Warwick
Peabody
Auburn
York Beach
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