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

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

How far in advance should I book a flight from Illinois to Boston?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 25% on flights from Illinois to Boston compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $185. For sooner than that we have options available in the next 3 days from $243.

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

Our data shows that August tends to be the cheapest month to fly to Boston from Illinois. Users have commonly found prices around $206 for the month, but tickets can be as low as $50. Due to multiple factors, prepare for potentially higher prices in December.

Cheap flights from Illinois to Boston in March, April 2021

15 Apr - 19 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
15 Apr - 19 Apr
$39pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
16 Apr - 19 Apr
$40pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Illinois to Boston 2021 flight deals

1 May - 5 May
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
15 Apr - 19 Apr
$39pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
16 Apr - 19 Apr
$40pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to Boston from Illinois

1 May - 5 May
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
15 Apr - 19 Apr
$39pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
16 Apr - 19 Apr
$40pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to Boston

11 Mar - 14 Apr
$92pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
12 Mar - 16 Mar
$97pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
13 Mar - 20 Mar
$98pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Boston from Illinois

9:20 am - 12:45 pm
American Airlines
Nonstop
2h 25m
ORD - BOS
American Airlines
1:57 pm - 6:40 am
Spirit Airlines
1 Stop
15h 43m
ORD - BOS
Spirit Airlines
$57
Gotogate
6:16 am - 12:43 pm
Delta
1 Stop
5h 27m
ORD - BOS
Delta
$58
Delta

Related info for your journey

Flight FAQs

From Illinois to Boston

Are flight prices decreasing from Illinois to Boston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Boston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Illinois to Boston Logan Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. New policies for travelers booking flights from Illinois to Boston Logan Intl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

Some of our airline partners flying from Illinois to Boston Logan Intl have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Spirit Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Illinois to Boston for under $100 on Cheapflights?

Yes, there are multiple flights from Illinois to Boston for under $100. The cheapest flight booked recently is on Spirit Airlines for just $38, but on average you can expect to pay $48.

Are there nonstop flights from Illinois to Boston for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Boston under $100. A good price for a nonstop flight from Illinois to Boston is less than $48.

Are there last-minute flights available from Illinois to Boston for under $100?

There are currently 20+ open flights from Illinois to Boston within the next 7 days for less than $100.

What days are nonstop flights available from Illinois to Boston?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Saturday.

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

The most popular airlines flying from Illinois to Boston are Major Airline, American Airlines and JetBlue. Something to consider prior to booking your flight.

What are the most popular routes from Illinois to Boston?

When deciding which route to take from Illinois to Boston consider Chicago O'Hare Intl - Boston Logan Intl, Chicago Midway - Boston Logan Intl or Greater Peoria - Boston Logan Intl as they are the most popular.

What are the cheapest Flights from Illinois to Boston?

Looking at all options, your cheapest flight can be booked for $53. While the most popular route (Chicago O'Hare Intl - Boston Logan Intl) can be booked for $38 on average our data indicates $297 when flying from Illinois to Boston

What are the most reliable airlines from Illinois to Boston?

No one likes to see their flight delayed. When booking a flight from Illinois to Boston consider choosing British Airways (100%), JetBlue (90%) or Republic Airways (85%) as they are the most reliable in getting you off to your destination on time.

How long is the flight from Illinois to Boston?

Departing from Illinois to Boston will take you 2h 23m. Generally, flights for this route are nonstop.

What is the cheapest airline to fly from Illinois to Boston round-trip?

Cheapflights users have booked flights from Illinois to Boston round-trip from $38.

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

The cheapest airlines for a one-way flight from Illinois to Boston are Spirit Airlines ($18), American Airlines ($43), and Delta ($58).

Departure points for flights from Illinois to Boston

Destination information for Boston

Flight duration
2h 35m
Average temperature for March in Boston
48.2 °F
Avg rainfall for March in Boston
3.9 ″

Airports servicing

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

Airports servicing Boston

Top 6 airlines flying from Illinois to Boston

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$54 $132 No cancel fee 65%
JetBlue
$71 $202 No cancel fee 62%
Southwest
$189 $267 No cancel fee 63%
Delta
$48 $286 No cancel fee N/A
American Airlines
$76 $307 No cancel fee 71%
United Airlines
$76 $311 No cancel fee 69%
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