Cheap flights from Boston (BOS) to Illinois (IL)

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How to find the cheapest flight from
Boston (BOS) to Illinois

All the information you need to plan the best BOS to ORD flight in 2021: compare Boston to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
When is the cheapest time to fly from Boston to Illinois (BOS - IL)?

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

What is the cheapest month to fly from Boston to Illinois?

The best pricing can be found in the month of August. Prices to Illinois from Boston average $146. You can even find prices in August for less than $146, as users have found deals to Illinois from as low as $34. The month of December appears to be one of the more expensive times to travel to Illinois from Boston. Flying in the targeted month can save you up to 41%.

Cheap flights from Boston to Illinois in November, December 2021

The best prices found for BOS to Illinois flights for November, December
25 Nov - 1 Dec
$107pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
JetBlue
Non-Stop
BOS
Boston Logan Intl
8 Dec - 11 Dec
$111pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
BOS
Boston Logan Intl
7 Dec - 7 Dec
$112pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
JetBlue
Non-Stop
BOS
Boston Logan Intl

Boston Logan Intl to Illinois 2022 flight deals

Cheap flights to Illinois from Boston found for next year
25 Nov - 1 Dec
$107pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
JetBlue
Non-Stop
BOS
Boston Logan Intl
8 Dec - 11 Dec
$111pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
BOS
Boston Logan Intl
7 Dec - 7 Dec
$112pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
JetBlue
Non-Stop
BOS
Boston Logan Intl

Non-stop flights to Illinois from Boston

Save time with Boston to Illinois direct flight deals
8 Dec - 11 Dec
$111pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
BOS
Boston Logan Intl
7 Dec - 7 Dec
$112pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
JetBlue
Non-Stop
BOS
Boston Logan Intl
20 Jan - 22 Jan
$115pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
JetBlue
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to Illinois

Late deals on round-trip flights to Illinois from Boston, departing today and this week
30 Nov - 3 Dec
$116pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Delta
Non-Stop
BOS
Boston Logan Intl
3 Dec - 6 Dec
$117pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
JetBlue
Non-Stop
BOS
Boston Logan Intl
4 Dec - 8 Dec
$118pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to Illinois from Boston

The cheapest one-way flights from Boston to Illinois
12:00 am - 1:59 am
Major Airline
Nonstop
2h 59m
BOS - ORD
Major Airline
$54
StudentUniverse
10:04 am - 12:16 pm
JetBlue
Nonstop
3h 12m
BOS - STL
JetBlue
6:05 am - 1:51 pm
Frontier
1 Stop
8h 46m
BOS - STL
Frontier
$69
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Boston to Illinois

What airport do you fly from for flights from Boston to Illinois?

If you book a flight to Illinois from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

Which airlines flying from Boston Logan Intl to Illinois have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and JetBlue are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Boston to Illinois for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to Illinois for under $200. The cheapest flight booked recently is on Major Airline for just $111, but on average you can expect to pay $120.

Are there nonstop flights from Boston to Illinois for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to Illinois under $200. A good price for a nonstop flight from Boston to Illinois is less than $137.

Are there last-minute flights available from Boston to Illinois for under $200?

There are currently 20+ open flights from Boston to Illinois within the next 7 days for less than $200.

What days are nonstop flights available from Boston to Illinois?

Nonstop flights are available for this route on the following days: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Boston to Illinois on average per day?

On average, you can expect to see 72 flights from Boston to Illinois a day.
Early Morning (Midnight to 6am) - 6% of flight departures
Morning (6am - Noon) - 46% of flight departures
Afternoon (Noon - 6pm) - 31% of flight departures
Evening (6pm - Midnight) - 18% of flight departures

How long is the flight from Boston to Illinois?

Departing from Boston to Illinois will take you 2h 59m. There are 869 mi between Boston and Illinois. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Boston to Illinois one-way?

The cheapest airlines for a one-way flight from Boston to Illinois are Major Airline ($54), Spirit Airlines ($57), and Delta ($59).

What are the cheapest flights from Boston to Illinois?

While on average a flight from Boston to Illinois is generally $205, our data shows the cheapest flight currently is $24. When looking at the most popular route, (Boston Logan Intl - Chicago O'Hare Intl), you can expect to pay $112 for that flight.

What are the most reliable airlines from Boston to Illinois?

No one likes to see their flight delayed. When booking a flight from Boston to Illinois consider choosing ANA (98%), Iberia (96%) or SAS (95%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Boston to Illinois?

When booking a flight from Boston to Illinois, you may want to consider flying on Major Airline, American Airlines or JetBlue as they are the most popular for this route.

What are the most popular routes from Boston to Illinois?

The most popular flight routes from Boston to Illinois are Boston Logan Intl - Chicago O'Hare Intl, Boston Logan Intl - Chicago Midway and Boston Logan Intl - Lambert-St Louis.

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Boston?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering Illinois.

Do I need a test to fly back to Boston from Illinois?

Returning to Boston Logan Intl from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Boston to Illinois

Select to see more specific information for flights from Boston to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Boston to Illinois.
Flight duration from BOS to Illinois
2h 51m

Airports servicing Boston

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 6 airlines flying from Boston Logan Intl to Illinois

The chart below displays the airlines Cheapflights users traveling from Boston to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$56 $168 No cancel fee 65%
Delta
$68 $298 No cancel fee N/A
JetBlue
$71 $250 No cancel fee 62%
American Airlines
$77 $307 No cancel fee 71%
United Airlines
$80 $323 No cancel fee 69%
Southwest
$185 $387 No cancel fee 63%
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