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

Departing from Decatur, Illinois to Boston will take you 6h 34m. 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.

$320+ Cheap Flights from Decatur, IL to Boston

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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 November 9, 2026.

Fri 12/48:31 am -

1 stop4h 23m

Fri 12/111:35 pm -

1 stop5h 35m

Deal found 11/5

$474

Sat 11/216:57 pm -

1 stop4h 49m

Wed 11/2511:55 am -

1 stop7h 15m

Deal found 11/6

$478

Mon 12/219:18 am -

2 stops12h 32m

Mon 1/49:30 am -

2 stops9h 26m

Deal found 11/7

$489

Mon 12/217:03 pm -

1 stop5h 15m

Sat 12/2611:44 am -

1 stop7h 12m

Deal found 11/7

$499

Sun 12/207:03 pm -

1 stop5h 15m

Fri 12/257:15 am -

2 stops11h 41m

Deal found 11/5

$509

Fri 12/48:31 am -

2 stops9h 41m

Sun 12/69:30 am -

2 stops9h 39m

Deal found 11/6

$514

Tue 12/16:57 pm -

1 stop14h 34m

Fri 12/1111:35 am -

1 stop7h 35m

Deal found 11/5

$517

Mon 11/239:10 am -

2 stops11h 49m

Fri 11/271:29 pm -

1 stop5h 41m

Deal found 11/7

$519

Mon 12/219:18 am -

1 stop7h 18m

Sun 12/275:45 am -

1 stop27h 58m

Deal found 11/6

$528

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 November 9, 2026.

Fri 1/299:25 am -

1 stop6h 34m

Tue 2/211:52 am -

1 stop7h 14m

Deal found 11/4

$474

Mon 12/219:18 am -

1 stop7h 18m

Mon 1/41:16 pm -

1 stop5h 40m

Deal found 11/7

$474

Fri 12/48:31 am -

1 stop4h 23m

Sun 12/611:35 am -

1 stop7h 34m

Deal found 11/6

$474

Sat 11/216:57 pm -

1 stop4h 49m

Wed 11/2511:55 am -

1 stop7h 15m

Deal found 11/6

$478

Thu 3/259:42 am -

2 stops11h 24m

Sat 3/278:30 am -

2 stops10h 21m

Deal found 11/9

$489

Mon 12/219:18 am -

2 stops12h 32m

Thu 1/710:35 am -

2 stops8h 31m

Deal found 11/7

$489

Wed 5/56:55 pm -

1 stop4h 54m

Sun 5/96:00 am -

3 stops12h 51m

Deal found 11/6

$489

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

Sat 11/216:57 pm -

1 stop4h 49m

Wed 11/2511:55 am -

1 stop7h 15m

Deal found 11/6

$478

Mon 11/239:10 am -

2 stops11h 49m

Fri 11/271:29 pm -

1 stop5h 41m

Deal found 11/7

$519

Tue 12/16:57 pm -

1 stop14h 34m

Fri 12/1111:35 am -

1 stop7h 35m

Deal found 11/5

$517

Fri 12/48:31 am -

1 stop4h 23m

Fri 12/111:35 pm -

1 stop5h 35m

Deal found 11/5

$474

Fri 12/48:31 am -

2 stops9h 41m

Sun 12/69:30 am -

2 stops9h 39m

Deal found 11/6

$514

Sun 12/207:03 pm -

1 stop5h 15m

Fri 12/257:15 am -

2 stops11h 41m

Deal found 11/5

$509

Mon 12/219:18 am -

2 stops12h 32m

Thu 1/710:35 am -

2 stops8h 31m

Deal found 11/7

$489

Mon 12/217:03 pm -

1 stop5h 15m

Sat 12/2611:44 am -

1 stop7h 12m

Deal found 11/7

$499

Mon 12/219:18 am -

1 stop7h 18m

Sun 12/275:45 am -

1 stop27h 58m

Deal found 11/6

$528

Find flight deals from Decatur to Boston

Round-trip from	$474 (United Airlines)
One-way from	$320 (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

Sat 2/13

7:00 pm-10:25 am

1 stop14h 25m

Boston Logan Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$320

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Fri 1/29

9:25 am-4:59 pm

1 stop6h 34m

Boston Logan Intl

Tue 2/2

11:52 am-6:06 pm

1 stop7h 14m

$474

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Mon 12/21

9:18 am-5:36 pm

1 stop7h 18m

Boston Logan Intl

Mon 1/4

1:16 pm-5:56 pm

1 stop5h 40m

$474

Quickest round-trip

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Fri 12/4

8:31 am-1:54 pm

1 stop4h 23m

Boston Logan Intl

Sun 12/6

11:35 am-6:09 pm

1 stop7h 34m

$474

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Sat 11/21

6:57 pm-12:46 am

1 stop4h 49m

Boston Logan Intl

Wed 11/25

11:55 am-6:10 pm

1 stop7h 15m

$478

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Thu 3/25

9:42 am-10:06 pm

2 stops11h 24m

Boston Logan Intl

Sat 3/27

8:30 am-5:51 pm

2 stops10h 21m

$489

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Mon 12/21

9:18 am-10:50 pm

2 stops12h 32m

Boston Logan Intl

Thu 1/7

10:35 am-6:06 pm

2 stops8h 31m

$489

DecaturBoston

DEC Decatur Arpt - BOS Boston Logan Intl

DECBOS

Decatur Arpt

Wed 5/5

6:55 pm-12:49 am

1 stop4h 54m

Boston Logan Intl

Sun 5/9

6:00 am-5:51 pm

3 stops12h 51m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 6h 34m. 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

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$320+ 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 2/13. 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

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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 November 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 November 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 November 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 November 9, 2026.

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

Discover last-minute flight deals from Decatur to Boston. Data last updated November 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 November 9, 2026.

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

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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?

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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 November 9, 2026.

Complete your trip

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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 November 9, 2026.

Other flights from Decatur

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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 November 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 November 9, 2026.

Last-minute flights from Decatur to Boston
Discover last-minute flight deals from Decatur to Boston. Data last updated November 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 November 9, 2026.