Cheap flights from Boston to Chicago from £47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Chicago departing on 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

JetBlue Logo
07:00 - 08:56BOS-ORD
2h 56mdirect
JetBlue Logo
09:51 - 13:20ORD-BOS
2h 29mdirect
£93JetBlue
Find Deal
Sat, 27 Sep - Wed, 1 Oct
United Airlines Logo
06:00 - 07:56BOS-ORD
2h 56mdirect
United Airlines Logo
06:15 - 09:30ORD-BOS
2h 15mdirect
£95United Airlines
Find Deal
Thu, 16 Oct - Sun, 9 Nov
JetBlue Logo
16:40 - 18:55BOS-ORD
3h 15mdirect
JetBlue Logo
19:50 - 23:25ORD-BOS
2h 35mdirect
£97JetBlue
Find Deal
Fri, 26 Sep - Fri, 3 Oct
United Airlines Logo
18:15 - 20:09BOS-ORD
2h 54mdirect
United Airlines Logo
06:30 - 09:56ORD-BOS
2h 26mdirect
£98United Airlines
Find Deal
Sat, 18 Oct - Sun, 19 Oct
United Airlines Logo
08:00 - 09:55BOS-ORD
2h 55mdirect
United Airlines Logo
06:30 - 09:57ORD-BOS
2h 27mdirect
£99United Airlines
Find Deal
Sat, 4 Oct - Sun, 5 Oct
Delta Logo
19:50 - 21:46BOS-ORD
2h 56mdirect
Delta Logo
10:31 - 13:58ORD-BOS
2h 27mdirect
£108Delta
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Southwest Logo
06:55 - 16:25BOS-ORD
10h 30m2 stops
Southwest Logo
13:30 - 22:15ORD-BOS
7h 45m1 stop
£109Southwest
Find Deal
Thu, 30 Oct - Sat, 1 Nov
Southwest Logo
05:05 - 11:50BOS-ORD
7h 45m1 stop
Southwest Logo
14:50 - 08:25ORD-BOS
16h 35m2 stops
£113Southwest
Find Deal
Sat, 18 Oct - Mon, 20 Oct
Delta Logo
16:05 - 18:13BOS-ORD
3h 08mdirect
Delta Logo
07:10 - 10:37ORD-BOS
2h 27mdirect
£130Delta
Find Deal
Mon, 24 Nov - Thu, 4 Dec
Spirit Airlines Logo
14:53 - 21:58BOS-ORD
8h 05m1 stop
Spirit Airlines Logo
11:57 - 23:57ORD-BOS
11h 00m1 stop
£141Spirit Airlines
Find Deal
Fri, 3 Oct - Sat, 4 Oct

JetBlue flights from Boston to Chicago

Our best JetBlue deals on Boston to Chicago flight tickets
JetBlue
27 Sept
BOS07:00Boston Logan Intl
2h 56m
ORD08:56Chicago O'Hare Intl
1 Oct
ORD09:51Chicago O'Hare Intl
2h 29m
BOS13:20Boston Logan Intl
JetBlue
26 Sept
BOS16:40Boston Logan Intl
3h 15m
ORD18:55Chicago O'Hare Intl
1 Oct
ORD19:50Chicago O'Hare Intl
2h 35m
BOS23:25Boston Logan Intl
JetBlue
15 Oct
BOS07:09Boston Logan Intl
3h 13m
ORD09:22Chicago O'Hare Intl
22 Oct
ORD10:08Chicago O'Hare Intl
2h 29m
BOS13:37Boston Logan Intl

Delta flights from Boston to Chicago

Our best Delta deals on Boston to Chicago flight tickets
Delta
5 Dec
BOS19:50Boston Logan Intl
2h 56m
ORD21:46Chicago O'Hare Intl
7 Dec
ORD10:31Chicago O'Hare Intl
2h 27m
BOS13:58Boston Logan Intl
Delta
24 Nov
BOS16:05Boston Logan Intl
3h 08m
ORD18:13Chicago O'Hare Intl
4 Dec
ORD07:10Chicago O'Hare Intl
2h 27m
BOS10:37Boston Logan Intl
Delta
23 Nov
BOS07:30Boston Logan Intl
3h 05m
ORD09:35Chicago O'Hare Intl
28 Nov
ORD07:10Chicago O'Hare Intl
2h 26m
BOS10:36Boston Logan Intl

momondo Fare Finder

 
Customise your flight search to find flights from Boston to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Boston to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 27/9

07:00-08:56

Nonstop2h 56m

Chicago O'Hare Intl

Wed 1/10

09:51-13:20

Nonstop2h 29m

£93

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 16/10

06:00-07:56

Nonstop2h 56m

Chicago O'Hare Intl

Sun 9/11

06:15-09:30

Nonstop2h 15m

£95

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 26/9

16:40-18:55

Nonstop3h 15m

Chicago O'Hare Intl

Fri 3/10

19:50-23:25

Nonstop2h 35m

£97

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 18/10

18:15-20:09

Nonstop2h 54m

Chicago O'Hare Intl

Sun 19/10

06:30-09:56

Nonstop2h 26m

£98

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 4/10

08:00-09:55

Nonstop2h 55m

Chicago O'Hare Intl

Sun 5/10

06:30-09:57

Nonstop2h 27m

£99

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 5/12

19:50-21:46

Nonstop2h 56m

Chicago O'Hare Intl

Sun 7/12

10:31-13:58

Nonstop2h 27m

£108

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 30/10

06:55-16:25

2 stops10h 30m

Chicago O'Hare Intl

Sat 1/11

13:30-22:15

1 stop7h 45m

£109

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 18/10

05:05-11:50

1 stop7h 45m

Chicago O'Hare Intl

Mon 20/10

14:50-08:25

2 stops16h 35m

£113

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Mon 24/11

16:05-18:13

Nonstop3h 08m

Chicago O'Hare Intl

Thu 4/12

07:10-10:37

Nonstop2h 27m

£130

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 3/10

14:53-21:58

1 stop8h 05m

Chicago O'Hare Intl

Sat 4/10

11:57-23:57

1 stop11h 00m

£141

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Boston to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Boston is in January. Flight prices, which tend to average around £144, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Chicago from Boston during September instead. Flights to Chicago in September, while not as cheap as those in January, still average around £146.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as £137. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Sunday, with ticket prices averaging around £515.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as £203 when looking at flights departing in the morning. Flights in the afternoon are often more expensive, with an average ticket price of £373.

What is the cheapest Boston Logan Intl to Chicago flight route?

Fly from Boston Logan Intl to Chicago Midway for the best Boston Logan Intl - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £184 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Boston for as low as £160 on momondo.

What cabin class options are available on Boston Logan Intl to Chicago flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Chicago flights?

No. A direct flight is the cheapest option for a flight between Boston to Chicago.

How have Boston to Chicago flight prices changed over time?

As of September 2025, prices for Boston to Chicago flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Chicago (BOS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Chicago

Best price found

£87

Fastest flight time

2h 48m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Chicago

1 airport
The best one-way flight to Chicago from Boston in the past 72 hours is £87. The best return flight deal from Boston to Chicago found on momondo in the last 72 hours is £152.
The fastest flight from Boston to Chicago takes 2h 48m
Direct flights go from Boston to Chicago on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Southwest..
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
  • Is flying the fastest way to get from Boston to Chicago?

    The quickest way to travel this route is to take a flight from Boston to Chicago, doing so can potentially save up to 25h 37m of travel time. While these options may take longer, booking a train from Boston to Chicago or a bus from Boston to Chicago may suit your needs if travel time is less of a factor in your decision making.

  • How far is Boston Logan Intl to Chicago by plane?

    Chicago is 847.9 mi away from Boston Logan Intl. 2h 48m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Chicago?

    Prices for flights from Boston Logan Intl Airport to Chicago were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Chicago?

  • How old do you have to be to fly from Boston Logan Intl Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Chicago?

Best airlines flying from Boston to Chicago

Compare and see reviews for airlines that fly from Boston to Chicago with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom £72Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • American Airlines Flights From Boston to Chicago

    American Airlines operates around 53 flights from Boston to Chicago every week. The average price of these flights found in the last 72 hours has been £155, but momondo users have found American Airlines deals from Boston to Chicago from as low as £98 round-trip. American Airlines has been scored 7.2/10 in 10,000 reviews.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Chicago?

It is quick and easy to find Boston to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Boston to Chicago with flexible booking policies on momondo?

Flights from Boston to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Chicago?

momondo helps you find the best flight between Boston and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Boston and alert you when they change.

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1 adult
Thu 16/10
Thu 23/10

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago