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Decatur

$354+ Cheap flights from Boston to Decatur, IL (BOS - DEC)

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.
BOS — DEC
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$354
(United Airlines)
From Boston Logan Intl to Decatur Arpt
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/258:47 pmBOS - DEC
1 stop13h 04mUnited Airlines
Sun 9/286:55 pmDEC - BOS
1 stop4h 55mUnited Airlines
Deal found 9/10$354
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/268:02 pmBOS - DEC
2 stops13h 49mUnited Airlines
Sun 9/289:38 amDEC - BOS
1 stop23h 18mUnited Airlines
Deal found 9/10$382
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:00 amBOS - DEC
1 stop7h 59mUnited Airlines
Sat 9/139:42 amDEC - BOS
1 stop7h 30mUnited Airlines
Deal found 9/9$454
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/197:12 pmBOS - DEC
2 stops14h 44mUnited Airlines
Sun 9/216:55 pmDEC - BOS
2 stops23h 00mUnited Airlines
Deal found 9/10$489
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:55 pmBOS - DEC
2 stops14h 56mUnited Airlines
Mon 10/139:30 amDEC - BOS
1 stop26h 05mUnited Airlines
Deal found 9/9$506

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 September 11, 2025.
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

Thu 9/25

8:47 pm-8:51 am

1 stop13h 04m

Decatur Arpt

Sun 9/28

6:55 pm-12:50 am

1 stop4h 55m

$354

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Fri 9/26

6:15 pm-8:51 am

1 stop15h 36m

Decatur Arpt

Sun 9/28

9:30 am-9:56 am

1 stop23h 26m

$354

BostonDecatur

BOS - DEC

BOSDEC

Boston Logan Intl

Sun 9/28

8:00 am-8:51 am

1 stop25h 51m

Decatur Arpt

Wed 10/1

9:38 am-12:50 am

1 stop14h 12m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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.

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 September 11, 2025.
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
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 13h 04m. 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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$327Average$484FlexibilityNo cancel feeOn-time69%

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