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

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

All the information you need to plan the best null to BOS flight in 2021: compare Illinois to Boston flight prices with the expected peak season, weather and rainfall in Boston.
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 June, July 2021

The best prices found for Illinois to BOS flights for June, July
22 Jul - 23 Jul
$95pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Jul - 10 Aug
$98pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Jul - 17 Aug
$100pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to Boston 2021 flight deals

Cheap flights to Boston from Illinois found for this year
2 Oct - 6 Oct
$52pp
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
14 Sep - 18 Sep
$55pp
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
18 Sep - 22 Sep
$60pp
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

Save time with Illinois to Boston direct flight deals
2 Oct - 6 Oct
$52pp
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
14 Sep - 18 Sep
$55pp
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
18 Sep - 22 Sep
$60pp
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

Late deals on round-trip flights to Boston from Illinois, departing today and this week
1 Jul - 28 Sep
$116pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
3 Jul - 25 Aug
$122pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
3 Jul - 22 Jul
$125pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 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

The cheapest one-way flights from Illinois to Boston
4:35 pm - 7:53 pm
American Airlines
Nonstop
2h 18m
ORD - BOS
American Airlines
6:19 am - 9:42 am
JetBlue
Nonstop
2h 23m
ORD - BOS
JetBlue
2:00 am - 5:24 am
Delta
Nonstop
2h 24m
ORD - BOS
Delta
$73
Delta

Related info for your journey

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

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.

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.

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

Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Boston from Illinois.

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 $52, but on average you can expect to pay $79.

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 $88.

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

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

What days are nonstop flights available from Illinois to Boston?

Days when nonstop flights are available for this flight are: Sunday, Monday, Wednesday, 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 Lambert-St Louis - 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 $49. While the most popular route (Chicago O'Hare Intl - Boston Logan Intl) can be booked for $55 on average our data indicates $314 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 KLM (100%), Envoy Air (100%) or Virgin Atlantic (100%) 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 18m. Both multi-stop and nonstop flights can be found to your destination and back.

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 $52.

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 ($28), American Airlines ($69), and JetBlue ($70).

Departure points for flights from Illinois to Boston

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

Destination information for Boston

Things to know before you go - useful duration and weather info for your trip from Illinois to Boston.
Flight duration
2h 27m
Average temperature for June in Boston
78.8 °F
Avg rainfall for June in Boston
3.1 ″

Airports servicing

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

Airports servicing Boston

Top 6 airlines flying from Illinois to Boston

The chart below displays the airlines Cheapflights users traveling from Illinois to Boston 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
$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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