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$344+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — BOS
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Decatur to Boston

Best flights from Decatur to Boston
Discover carefully curated flight deals from Decatur to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. 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.
Sat 5/26:55 pmDEC - BOS
1 stop5h 14mUnited Airlines
Tue 5/512:20 pmBOS - DEC
1 stop6h 31mUnited Airlines
Deal found 12/25$344
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Tue 2/177:15 pmDEC - BOS
1 stop25h 33mUnited Airlines
Sat 2/2112:35 pmBOS - DEC
1 stop21h 17mUnited Airlines
Deal found 12/24$349
This United Airlines deal was found by Cheapflights users on 12/26. 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 1/107:09 pmDEC - BOS
1 stop14h 43mUnited Airlines
Wed 1/149:30 amBOS - DEC
1 stop9h 31mUnited Airlines
Deal found 12/26$354

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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$344
(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
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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 December 26, 2025.
Use the filters below to find and compare flights from Decatur to Boston that are best for you.

Fly from

Decatur

Fly to

Boston

Route

Depart

Return

Price

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sat 5/2

6:55 pm-1:09 am

1 stop5h 14m

Boston Logan Intl

Tue 5/5

12:20 pm-5:51 pm

1 stop6h 31m

$344

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Tue 2/17

7:15 pm-9:48 pm

1 stop25h 33m

Boston Logan Intl

Sat 2/21

12:35 pm-8:52 am

1 stop21h 17m

$349

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sat 1/10

7:09 pm-10:52 am

1 stop14h 43m

Boston Logan Intl

Wed 1/14

9:30 am-6:01 pm

1 stop9h 31m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Compare providers for flights from Decatur 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 Decatur to Boston in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Decatur, Illinois-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Decatur, Illinois-Boston flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Decatur, Illinois to Boston (average of $258). Flying from Decatur, Illinois to Boston in February is currently the most expensive (average of $425). 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.

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 5h 14m. 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, January is the cheapest month in which you can book a flight from Decatur, Illinois to Boston (average of $258). Flying from Decatur, Illinois to Boston in February is currently the most expensive (average of $425). 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?

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