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Cheap flights from Boston to Chicago from £45

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 30/4. 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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0 bags
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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Boston to Chicago.
Spirit Airlines Logo
15:49 - 23:04BOS-ORD
8h 15m1 stop
Spirit Airlines Logo
05:05 - 14:44ORD-BOS
8h 39m1 stop
£83Spirit Airlines
Find Deal
Wed, 7 May - Tue, 13 May
JetBlue Logo
06:00 - 08:05BOS-ORD
3h 05mdirect
JetBlue Logo
19:31 - 23:00ORD-BOS
2h 29mdirect
£88JetBlue
Find Deal
Sun, 4 May - Tue, 6 May
Southwest Logo
05:30 - 11:50BOS-ORD
7h 20m1 stop
Southwest Logo
13:50 - 21:05ORD-BOS
6h 15m1 stop
£103Southwest
Find Deal
Fri, 2 May - Tue, 6 May
Delta Logo
07:30 - 09:30BOS-ORD
3h 00mdirect
Delta Logo
15:30 - 18:50ORD-BOS
2h 20mdirect
£103Delta
Find Deal
Mon, 5 May - Mon, 5 May
United Airlines Logo
06:00 - 07:58BOS-ORD
2h 58mdirect
United Airlines Logo
21:32 - 00:59ORD-BOS
2h 27mdirect
£104United Airlines
Find Deal
Wed, 25 Jun - Sun, 29 Jun
United Airlines Logo
06:10 - 08:08BOS-ORD
2h 58mdirect
United Airlines Logo
19:45 - 23:12ORD-BOS
2h 27mdirect
£106United Airlines
Find Deal
Wed, 2 Jul - Sat, 5 Jul
Southwest Logo
05:50 - 13:05BOS-ORD
8h 15m1 stop
Southwest Logo
16:20 - 23:20ORD-BOS
6h 00m1 stop
£107Southwest
Find Deal
Mon, 9 Jun - Sat, 14 Jun
Delta Logo
07:30 - 09:30BOS-ORD
3h 00mdirect
Delta Logo
07:00 - 10:25ORD-BOS
2h 25mdirect
£126Delta
Find Deal
Fri, 2 May - Thu, 8 May
American Airlines Logo
05:00 - 06:54BOS-ORD
2h 54mdirect
American Airlines Logo
05:00 - 10:15ORD-BOS
4h 15m1 stop
£140American Airlines
Find Deal
Wed, 25 Jun - Sun, 29 Jun
American Airlines Logo
07:10 - 10:58BOS-ORD
4h 48m1 stop
American Airlines Logo
16:44 - 22:49ORD-BOS
5h 05m1 stop
£158American Airlines
Find Deal
Mon, 5 May - Mon, 5 May

Southwest flights from Boston to Chicago

Our best Southwest deals on Boston to Chicago flight tickets
Southwest
2 May
BOS05:30Boston Logan Intl
7h 20m
1 stop
ORD11:50Chicago O'Hare Intl
6 May
ORD13:50Chicago O'Hare Intl
6h 15m
1 stop
BOS21:05Boston Logan Intl
Southwest
9 Jun
BOS05:50Boston Logan Intl
8h 15m
1 stop
ORD13:05Chicago O'Hare Intl
14 Jun
ORD16:20Chicago O'Hare Intl
6h 00m
1 stop
BOS23:20Boston Logan Intl
Southwest
16 Jun
BOS05:50Boston Logan Intl
8h 15m
1 stop
ORD13:05Chicago O'Hare Intl
19 Jun
ORD13:50Chicago O'Hare Intl
9h 35m
1 stop
BOS00:25Boston Logan Intl

Delta flights from Boston to Chicago

Our best Delta deals on Boston to Chicago flight tickets
Delta
30 Apr
BOS12:30Boston Logan Intl
2h 55m
ORD14:25Chicago O'Hare Intl
3 May
ORD07:00Chicago O'Hare Intl
2h 26m
BOS10:26Boston Logan Intl
Delta
5 May
BOS07:30Boston Logan Intl
3h 00m
ORD09:30Chicago O'Hare Intl
5 May
ORD15:30Chicago O'Hare Intl
2h 20m
BOS18:50Boston Logan Intl
Delta
2 May
BOS16:20Boston Logan Intl
3h 01m
ORD18:21Chicago O'Hare Intl
5 May
ORD15:30Chicago O'Hare Intl
2h 20m
BOS18:50Boston Logan Intl

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 September. Flight prices, which tend to average around £136, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Chicago from Boston during January instead. Flights to Chicago in January, while not as cheap as those in September, 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 £141. 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 Friday, with ticket prices averaging around £336.

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

Flying to Chicago from Boston at midday is the least expensive time of day to depart. momondo users have found prices as low as £0 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £509.

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

Fly from Boston Logan Intl to Chicago O'Hare Intl 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £186 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Boston for as low as £150 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.

How have Boston to Chicago flight prices changed over time?

As of April 2025, prices for Boston to Chicago flights are approximately 16% more expensive 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

£45

Fastest flight time

2h 48m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Boston in the past 72 hours is £45. The best return flight deal from Boston to Chicago found on momondo in the last 72 hours is £83.
The fastest flight from Boston to Chicago takes 2h 48m
Direct flights go from Boston to Chicago every day.
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 01m 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.

  • Is flying the cheapest way to get from Boston to Chicago?

    Expect a flight to be one of the cheapest options available to you for travel. Currently, a flight has deals available from £83. While they may not be the most cost-effective options currently available a train from Boston to Chicago or a bus from Boston to Chicago can also be options worth looking into if other factors outside of cost are a higher priority.

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

    Chicago is 847.9 mi away from Boston Logan Intl. 2h 49m 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 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?


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.


Choose the best way to get from Boston to Chicago

Buses

27h 45m
£67 one-way£148 return
Direct · from £148

Distance to city centre

G1N10.6 mi
F990.8 mi

Find Buses

Boston to Chicago Buses

Trains

22h 15m
£84 one-way£187 return
Direct · from £187

Distance to city centre

ZUN0.7 mi

Find Trains

Boston to Chicago Trains

Flights

2h 48m
£45 one-way£83 return
Direct · from £881 stop · from £96

Distance to city centre

ORD15.9 mi

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Wed 23/4
Wed 30/4

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