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Cheap flights from Boston to Chicago from $42

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 3/25. 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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Find the cheapest flights from Boston to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.
4:35 pm - 10:28 pmBOS-ORD
6h 53m1 stop
6:00 am - 5:34 pmORD-BOS
10h 34m1 stop
$104Spirit Airlines
Find Deal
Tue, May 13 - Tue, May 20
6:13 pm - 8:44 amBOS-ORD
15h 31m1 stop
6:25 pm - 3:21 pmORD-BOS
19h 56m1 stop
$107Spirit Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
7:55 am - 10:00 amBOS-ORD
3h 05mnonstop
8:10 pm - 11:39 pmORD-BOS
2h 29mnonstop
$143JetBlue
Find Deal
Wed, Apr 2 - Sat, Apr 5
7:55 am - 10:00 amBOS-ORD
3h 05mnonstop
8:29 pm - 11:58 pmORD-BOS
2h 29mnonstop
$145JetBlue
Find Deal
Wed, Apr 2 - Mon, Apr 7
5:15 am - 7:14 amBOS-ORD
2h 59mnonstop
8:09 am - 11:23 amORD-BOS
2h 14mnonstop
$146American Airlines
Find Deal
Thu, Mar 13 - Tue, Mar 18
5:15 am - 7:14 amBOS-ORD
2h 59mnonstop
6:35 pm - 10:06 pmORD-BOS
2h 31mnonstop
$148American Airlines
Find Deal
Thu, Apr 3 - Mon, Apr 7
5:30 am - 9:38 amBOS-ORD
5h 08m1 stop
2:15 pm - 5:37 pmORD-BOS
2h 22mnonstop
$149United Airlines
Find Deal
Wed, Mar 12 - Wed, Mar 12
7:25 am - 9:29 amBOS-ORD
3h 04mnonstop
7:45 am - 11:13 amORD-BOS
2h 28mnonstop
$152United Airlines
Find Deal
Thu, Mar 27 - Sun, Mar 30
7:00 am - 9:02 amBOS-ORD
3h 02mnonstop
1:26 pm - 7:52 pmORD-BOS
5h 26m1 stop
$155Delta
Find Deal
Sat, Apr 5 - Mon, Apr 7
7:25 am - 9:34 amBOS-ORD
3h 09mnonstop
5:00 pm - 11:51 pmORD-BOS
5h 51m1 stop
$162Delta
Find Deal
Fri, Mar 21 - Mon, Mar 24

Spirit Airlines flights from Boston to Chicago

Our best Spirit Airlines deals on Boston to Chicago flight tickets
Spirit Airlines
May 13
BOS4:35 pmBoston Logan Intl
6h 53m
1 stop
ORD10:28 pmChicago O'Hare Intl
May 20
ORD6:00 amChicago O'Hare Intl
10h 34m
1 stop
BOS5:34 pmBoston Logan Intl
Spirit Airlines
Apr 1
BOS6:13 pmBoston Logan Intl
15h 31m
1 stop
ORD8:44 amChicago O'Hare Intl
Apr 8
ORD6:25 pmChicago O'Hare Intl
19h 56m
1 stop
BOS3:21 pmBoston Logan Intl
Spirit Airlines
Apr 1
BOS6:13 pmBoston Logan Intl
15h 31m
1 stop
ORD8:44 amChicago O'Hare Intl
Apr 8
ORD6:25 pmChicago O'Hare Intl
15h 55m
1 stop
BOS11:20 amBoston Logan Intl

JetBlue flights from Boston to Chicago

Our best JetBlue deals on Boston to Chicago flight tickets
JetBlue
Apr 2
BOS7:55 amBoston Logan Intl
3h 05m
ORD10:00 amChicago O'Hare Intl
Apr 5
ORD8:10 pmChicago O'Hare Intl
2h 29m
BOS11:39 pmBoston Logan Intl
JetBlue
Apr 2
BOS7:55 amBoston Logan Intl
3h 05m
ORD10:00 amChicago O'Hare Intl
Apr 7
ORD8:29 pmChicago O'Hare Intl
2h 29m
BOS11:58 pmBoston Logan Intl
JetBlue
Mar 24
BOS2:30 pmBoston Logan Intl
3h 00m
ORD4:30 pmChicago O'Hare Intl
Mar 27
ORD1:00 pmChicago O'Hare Intl
2h 20m
BOS4:20 pmBoston 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 typical price of a round-trip flight between Boston and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Boston, with most prices found around $184. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from Boston to Chicago during January average around $194.

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 Wednesday when prices can be found for as low as $325. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Chicago for around $441.

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

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Boston to Chicago during this time can be as low as $261. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $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 26 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $248 when searching 26 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 $214 on momondo.

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

There are 4 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 February 2025, prices for Boston to Chicago flights are approximately 28% 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 round-trip 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

$42

Fastest flight time

2h 35m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from Boston in the past 72 hours is $42. The best round-trip flight deal from Boston to Chicago found on momondo in the last 72 hours is $104.
The fastest flight from Boston to Chicago takes 2h 35m
Direct flights go from Boston to Chicago every day.
There are 3 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD)

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

    To save time, the fastest way to travel is by flight from Boston to Chicago on Southwest. Expect the length of time you’ll spend onboard Southwest to be about 2h 35m compared to taking a train from Boston to Chicago or a bus from Boston to Chicago which have been found to be slower alternatives.

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

    The cheapest way is to get a flight from Boston to Chicago, which can be as cheap as $104. A train from Boston to Chicago is more expensive than a flight, with prices starting at $244. A bus from Boston to Chicago is also an option, with an average price of $220.

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

    A flight from Boston Logan Intl to Chicago will travel around 847.9 mi. 2h 35m 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 refresh daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline 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
Spirit AirlinesPriceFrom $39Free CancellationRating
6.3
7,980 reviews
Search Spirit Airlines flights
JetBluePriceFrom $85Free CancellationRating
7.4
3,035 reviews
Search JetBlue flights
DeltaPriceFrom $97Free CancellationRating
8.0
8,138 reviews
Search Delta flights
FrontierPriceFrom $98Free CancellationRating
6.0
3,339 reviews
Search Frontier flights
American AirlinesPriceFrom $138Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
8,724 reviews
Search United Airlines flights
SouthwestPriceFrom $152Free CancellationRating
8.1
4,362 reviews
Search Southwest flights
  • Southwest Flights From Boston to Chicago

    The lowest priced Southwest flight from Boston to Chicago from the last 72 hours was $152. Generally, Southwest has 13 flights on this route every week with an average price of $245. Southwest is rated 8.1/10 by our users.

  • Delta Flights From Boston to Chicago

    Delta is also a popular choice for this route. Delta flight deals for Boston to Chicago start from as low as $97 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $341. Delta operates 19 flights to Chicago from Boston in an average week. Users have rated it 8.0/10 across 8,140 reviews.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Hammond
New Buffalo
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Munster
Crown Point
Schererville
Monticello
Chesterton
Porter
Griffith
Saint John

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?

momondo does allow users to show only those flights to Chicago from Boston which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Chicago from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Chicago from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


Choose the best way to get from Boston to Chicago

Buses

25h 40m
$109 one-way$220 round-trip
Nonstop · from $220

Distance to downtown

F990.8 mi

Find Buses

Boston to Chicago Buses

Trains

22h 15m
$111 one-way$244 round-trip
Nonstop · from $244

Distance to downtown

ZUN0.7 mi

Flights

2h 35m
$42 one-way$104 round-trip
1 stop · from $56

Distance to downtown

ORD15.9 mi

An easier way to manage your Chicago trip

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1 adult
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Tue 3/4
Tue 3/11

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