HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$267+ Cheap flights from Decatur, IL to Boston (DEC - BOS)

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — BOS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Decatur to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 5/27:20 pm
DEC
-
BOS
1 stop4h 39m
United Airlines
Tue 5/56:34 pm
BOS
-
DEC
1 stop24h 24m
United Airlines
Deal found 2/8$334
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/247:15 pm
DEC
-
BOS
1 stop18h 14m
United Airlines
Sat 2/284:25 pm
BOS
-
DEC
1 stop17h 27m
United Airlines
Deal found 2/9$362
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Fri 9/259:42 am
DEC
-
BOS
1 stop22h 42m
United Airlines
Mon 9/287:00 pm
BOS
-
DEC
2 stops23h 51m
United Airlines
Deal found 2/9$378
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/279:50 am
DEC
-
BOS
1 stop6h 36m
United Airlines
Mon 3/26:28 pm
BOS
-
DEC
1 stop24h 26m
United Airlines
Deal found 2/8$379
This United Airlines deal was found by Cheapflights users on 2/7. 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 5/139:42 am
DEC
-
BOS
1 stop14h 17m
United Airlines
Thu 5/147:30 am
BOS
-
DEC
1 stop11h 28m
United Airlines
Deal found 2/7$386

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$334
(United Airlines)

One-way from

$267
(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
One-way flight 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 February 11, 2026.
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

7:20 pm-12:59 am

1 stop4h 39m

Boston Logan Intl

Tue 5/5

6:34 pm-5:58 pm

1 stop24h 24m

$334

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Fri 2/27

9:50 am-5:26 pm

1 stop6h 36m

Boston Logan Intl

Mon 3/2

4:25 pm-5:54 pm

1 stop26h 29m

$379

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Wed 5/13

9:42 am-12:59 am

1 stop14h 17m

Boston Logan Intl

Thu 5/14

7:30 am-5:58 pm

1 stop11h 28m

$386

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Tue 2/24

7:15 pm-12:46 pm

1 stop16h 31m

Boston Logan Intl

Sat 2/28

7:19 pm-8:52 am

2 stops14h 33m

$388

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sun 2/22

7:15 pm-11:57 pm

2 stops27h 42m

$267

DecaturBoston

DEC - BOS

DECBOS

Decatur Arpt

Sat 3/14

7:15 pm-12:35 am

1 stop4h 20m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

  • 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 $258). 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 February 11, 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
9,274 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

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
9,274 reviews
United Airlines
7.4
Good
9,274 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

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 4h 39m. 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 $258). 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
Hampton Beach
Watertown
Seekonk
Brockton
Concord
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$302Average$372FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights