How long is the flight from Decatur, Illinois to Boston?

Departing from Decatur, Illinois to Boston will take you 8h 24m. The distance between Decatur, Illinois and Boston is about 944 mi.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from DEC to BOS?

When flying from Decatur, Illinois to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$275+ Cheap Flights from Decatur, IL to Boston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Best

Last-minute

One-way

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 September 9, 2026.

Fri 10/97:18 pm -

1 stop4h 36m

Sat 10/1712:45 pm -

1 stop6h 58m

Deal found 9/4

$404

Fri 11/66:57 pm -

1 stop4h 49m

Sun 11/86:00 am -

3 stops13h 10m

Deal found 9/4

$419

Wed 11/49:10 am -

1 stop5h 26m

Mon 11/911:55 am -

1 stop7h 15m

Deal found 9/8

$424

Sun 10/119:12 am -

1 stop6h 09m

Sat 10/1712:45 pm -

1 stop6h 58m

Deal found 9/4

$429

Thu 11/199:10 am -

1 stop7h 14m

Sun 11/221:29 pm -

1 stop5h 41m

Deal found 9/6

$449

Tue 9/227:20 pm -

1 stop4h 50m

Sat 9/2612:45 pm -

1 stop6h 58m

Deal found 9/7

$474

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 September 9, 2026.

Fri 11/69:10 am -

2 stops8h 24m

Sun 11/86:00 am -

3 stops13h 10m

Deal found 9/4

$425

Wed 11/49:10 am -

1 stop7h 14m

Mon 11/99:00 am -

2 stops10h 10m

Deal found 9/8

$434

Thu 11/196:57 pm -

1 stop4h 49m

Sun 11/226:00 am -

3 stops13h 10m

Deal found 9/6

$439

Fri 11/209:10 am -

1 stop6h 01m

Sun 11/226:00 am -

3 stops13h 10m

Deal found 9/6

$439

Sat 10/107:18 pm -

1 stop4h 36m

Fri 10/1612:45 pm -

1 stop6h 58m

Deal found 9/4

$474

Last-minute flights from Decatur to Boston
Discover last-minute flight deals from Decatur to Boston. Data last updated September 9, 2026 and is based on user searches.

Tue 9/227:20 pm -

1 stop4h 50m

Sat 9/2612:45 pm -

1 stop6h 58m

Deal found 9/7

$474

Fri 10/97:18 pm -

1 stop4h 36m

Sat 10/1712:45 pm -

1 stop6h 58m

Deal found 9/4

$404

Fri 10/97:18 pm -

1 stop4h 36m

Fri 10/165:45 am -

2 stops13h 58m

Deal found 9/4

$500

Fri 10/97:18 pm -

1 stop4h 36m

Sun 10/186:00 am -

1 stop13h 43m

Deal found 9/4

$506

Sun 10/119:12 am -

1 stop6h 09m

Sat 10/1712:45 pm -

1 stop6h 58m

Deal found 9/4

$429

Sun 10/117:18 pm -

1 stop4h 36m

Sun 10/186:00 am -

1 stop13h 43m

Deal found 9/4

$531

Find flight deals from Decatur to Boston

Round-trip from	$404 (United Airlines)
One-way from	$275 (United Airlines)

From Decatur Arpt to Boston Logan Intl

Search Deals

One-way flight from Decatur Arpt to Boston Logan Intl

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Mon 10/5

7:18 pm-12:43 pm

2 stops16h 25m

Boston Logan Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$281

Quickest round-trip

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Wed 11/4

6:57 pm-12:46 am

1 stop4h 49m

Boston Logan Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$340

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Fri 11/6

9:10 am-6:34 pm

2 stops8h 24m

Boston Logan Intl

Sun 11/8

6:00 am-6:10 pm

3 stops13h 10m

$425

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Wed 11/4

9:10 am-5:24 pm

1 stop7h 14m

Boston Logan Intl

Mon 11/9

9:00 am-6:10 pm

2 stops10h 10m

$434

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Thu 11/19

6:57 pm-12:46 am

1 stop4h 49m

Boston Logan Intl

Sun 11/22

6:00 am-6:10 pm

3 stops13h 10m

$439

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Fri 11/20

9:10 am-4:11 pm

1 stop6h 01m

Boston Logan Intl

Sun 11/22

6:00 am-6:10 pm

3 stops13h 10m

$439

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Sat 10/10

7:18 pm-12:54 am

1 stop4h 36m

Boston Logan Intl

Fri 10/16

12:45 pm-6:43 pm

1 stop6h 58m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Sorted by cheapest first

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.

DEC-BOS

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

How long is the flight from Decatur, Illinois to Boston?
Departing from Decatur, Illinois to Boston will take you 8h 24m. 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

Waltham

Randolph

Concord

Cambridge

Brockton

Seekonk

Dedham

Cranston

Warwick

Pawtucket

Peabody

Auburn

Revere

York Beach

Londonderry

Fitchburg

North Falmouth

Swansea

Chelsea

Braintree

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Boston flight routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Decatur

Popular flights

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.

$275+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Decatur to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Decatur to Boston

Cheapest flights from Decatur to BostonExplore 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 September 9, 2026.

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 September 9, 2026.

Best flights from Decatur to BostonDiscover 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 September 9, 2026.

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 September 9, 2026.

Last-minute flights from Decatur to BostonDiscover last-minute flight deals from Decatur to Boston. Data last updated September 9, 2026 and is based on user searches.

Discover last-minute flight deals from Decatur to Boston. Data last updated September 9, 2026 and is based on user searches.

One-way flights from Decatur to BostonSearch for one-way flight options from Decatur to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.

Search for one-way flight options from Decatur to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.

Find flight deals from Decatur to Boston

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Decatur to Boston that are best for you.

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.

Related info for your journey

How long is the flight from Decatur, Illinois to Boston?

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

How can I find direct flights from Decatur to Boston?

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

Traveling to a place near Boston?

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.

Alternative routes for Decatur to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.

Complete your trip

Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Decatur to Boston by cabin class

Find flights from Decatur to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Decatur and Boston flights

Browse other Decatur and Boston flight options. Last updated on September 9, 2026.

Other flights from Decatur

Browse through other flights departing from Decatur. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

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 September 9, 2026.

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 September 9, 2026.

Last-minute flights from Decatur to Boston
Discover last-minute flight deals from Decatur to Boston. Data last updated September 9, 2026 and is based on user searches.

One-way flights from Decatur to Boston
Search for one-way flight options from Decatur to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.