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$324+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — BOS
Apr 7 — Apr 141
Tue 4/7
Tue 4/14
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 March 8, 2026.

This United Airlines deal was found by Cheapflights users on 3/4. 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 3/197:15 pm
DEC
-
BOS
1 stop4h 20m
United Airlines
Mon 3/2311:02 am
BOS
-
DEC
1 stop7h 51m
United Airlines
Deal found 3/4$324
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:25 pm
DEC
-
BOS
1 stop13h 00m
United Airlines
Sat 5/94:35 pm
BOS
-
DEC
1 stop17h 23m
United Airlines
Deal found 3/6$343
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:25 pm
DEC
-
BOS
1 stop13h 00m
United Airlines
Sun 5/37:30 am
BOS
-
DEC
1 stop11h 28m
United Airlines
Deal found 3/6$368
This United Airlines deal was found by Cheapflights users on 3/4. 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 5/27:25 pm
DEC
-
BOS
2 stops17h 26m
United Airlines
Tue 5/54:35 pm
BOS
-
DEC
1 stop17h 23m
United Airlines
Deal found 3/4$384

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 March 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$324
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Decatur Arpt-Boston Logan Intl flights.
Search Deals
From Decatur Arpt to Boston Logan Intl
Search Deals

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 March 8, 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

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Wed 5/6

7:25 pm-9:25 am

1 stop13h 00m

Boston Logan Intl

Sat 5/9

4:35 pm-8:58 am

1 stop17h 23m

$343
Quickest round-trip

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Thu 4/30

7:25 pm-9:25 am

1 stop13h 00m

Boston Logan Intl

Sun 5/3

5:45 am-5:58 pm

2 stops13h 13m

$378

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sat 5/2

7:25 pm-12:51 pm

2 stops16h 26m

Boston Logan Intl

Tue 5/5

10:45 am-8:58 am

1 stop23h 13m

$389

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Mon 3/23

7:15 pm-7:42 pm

1 stop23h 27m

Boston Logan Intl

Fri 3/27

8:15 am-5:53 pm

1 stop10h 38m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

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.

Cheapflights Insights

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

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

Currently, July is the cheapest month in which you can book a flight from Decatur, Illinois to Boston (average of $245). Flying from Decatur, Illinois to Boston in December is currently the most expensive (average of $360). 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 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 March 8, 2026.
Get a feel of what it's like to fly with United Airlines from Decatur 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.
United Airlines
7.4
Good
9,405 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,405 reviews
United Airlines
7.4
Good
9,405 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 13h. 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.

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

    Currently, July is the cheapest month in which you can book a flight from Decatur, Illinois to Boston (average of $245). Flying from Decatur, Illinois to Boston in December is currently the most expensive (average of $360). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Lincoln
Smithfield
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Lowell

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Top airline flying from Decatur to Boston

Discover the top airline that operate flights from Decatur 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 2,558,603 searches. Data last updated March 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$302Average$372FlexibilityNo cancel feeOn-time69%

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