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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 12/10. 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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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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Chicago.

Cheap last minute flights

Planning a quick getaway from Boston to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Chicago

Find recent round-trip train or bus tickets from Boston to Chicago.

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
6:00 am - 11:42 amBOS-MDW
6h 42m1 stop
12:57 pm - 12:30 amMDW-BOS
10h 33m1 stop
$100Frontier
Find Deal
Tue, Dec 10 - Wed, Dec 11
6:00 am - 11:42 amBOS-MDW
6h 42m1 stop
12:57 pm - 12:30 amMDW-BOS
10h 33m1 stop
$101Frontier
Find Deal
Tue, Dec 10 - Wed, Dec 11
6:00 am - 8:05 amBOS-ORD
3h 05mnonstop
8:51 am - 12:13 pmORD-BOS
2h 22mnonstop
$157JetBlue
Find Deal
Thu, Dec 5 - Mon, Dec 9
6:00 am - 8:06 amBOS-ORD
3h 06mnonstop
10:14 am - 3:43 pmORD-BOS
4h 29m1 stop
$161JetBlue
Find Deal
Tue, Dec 10 - Tue, Dec 10
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
7:35 am - 11:03 amORD-BOS
2h 28mnonstop
$173Delta
Find Deal
Thu, Dec 5 - Wed, Dec 25
6:02 am - 8:05 amBOS-ORD
3h 03mnonstop
6:00 am - 12:07 pmORD-BOS
5h 07m1 stop
$183United Airlines
Find Deal
Wed, Jan 1 - Mon, Jan 20
10:45 am - 12:41 pmBOS-ORD
2h 56mnonstop
10:37 am - 2:02 pmORD-BOS
2h 25mnonstop
$189United Airlines
Find Deal
Tue, Dec 3 - Wed, Dec 4
9:00 am - 11:03 amBOS-ORD
3h 03mnonstop
7:35 am - 11:03 amORD-BOS
2h 28mnonstop
$194Delta
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Tue, Dec 31 - Sun, Jan 5
5:15 am - 7:19 amBOS-ORD
3h 04mnonstop
12:30 pm - 3:49 pmORD-BOS
2h 19mnonstop
$202American Airlines
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Sun, Jan 5 - Wed, Jan 8
7:00 am - 12:25 pmBOS-ORD
6h 25m1 stop
2:14 pm - 5:33 pmORD-BOS
2h 19mnonstop
$207American Airlines
Find Deal
Wed, Dec 4 - Sat, Dec 7
5:00 am - 4:06 pmBOS-ORD
12h 06m1 stop
$45Spirit Airlines
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Tue, Dec 10
6:00 am - 11:42 amBOS-MDW
6h 42m1 stop
$49Frontier
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Tue, Dec 10
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
$78Delta
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Wed, Dec 4
3:52 pm - 5:55 pmBOS-ORD
3h 03mnonstop
$79JetBlue
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Wed, Feb 5
7:25 am - 9:28 amBOS-ORD
3h 03mnonstop
$83Delta
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Fri, Dec 6
11:28 am - 3:44 pmBOS-ORD
5h 16m1 stop
$88JetBlue
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Sun, Jan 19
6:02 am - 8:05 amBOS-ORD
3h 03mnonstop
$95United Airlines
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Tue, Dec 31
6:00 am - 7:56 amBOS-ORD
2h 56mnonstop
$124United Airlines
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Tue, Nov 26
8:30 am - 10:32 amBOS-ORD
3h 02mnonstop
$125American Airlines
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Wed, Nov 27
7:00 am - 11:13 amBOS-ORD
5h 13m1 stop
$133American Airlines
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Wed, Nov 27
11:35 am - 12:28 amBOS-ORD
13h 53m1 stop
11:45 am - 12:38 amORD-BOS
11h 53m1 stop
Sat, Nov 23 - Fri, Dec 6
11:35 am - 12:28 amBOS-ORD
13h 53m1 stop
4:45 pm - 8:04 pmORD-BOS
2h 19mnonstop
Sat, Nov 23 - Thu, Nov 28
11:35 am - 12:28 amBOS-ORD
13h 53m1 stop
2:25 pm - 12:44 amORD-BOS
9h 19m1 stop
$139Frontier
Find Deal
Sat, Nov 23 - Wed, Nov 27
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
12:40 pm - 3:58 pmORD-BOS
2h 18mnonstop
$252Delta
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Sun, Nov 24 - Sat, Dec 7
9:05 am - 12:50 pmBOS-ORD
4h 45m1 stop
7:15 am - 10:49 amORD-BOS
2h 34mnonstop
$262Delta
Find Deal
Sat, Nov 23 - Sat, Dec 7
1:59 pm - 3:53 pmBOS-ORD
2h 54mnonstop
8:50 am - 12:12 pmORD-BOS
2h 22mnonstop
$282JetBlue
Find Deal
Fri, Nov 22 - Wed, Dec 4
2:41 pm - 4:41 pmBOS-ORD
3h 00mnonstop
7:00 am - 10:19 amORD-BOS
2h 19mnonstop
$288American Airlines
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Fri, Nov 22 - Tue, Nov 26
9:30 am - 11:27 amBOS-ORD
2h 57mnonstop
8:20 am - 11:42 amORD-BOS
2h 22mnonstop
$297JetBlue
Find Deal
Mon, Nov 25 - Fri, Nov 29
11:32 am - 3:43 pmBOS-ORD
5h 11m1 stop
11:59 pm - 3:18 amORD-BOS
2h 19mnonstop
$307United Airlines
Find Deal
Mon, Nov 25 - Sun, Dec 1
8:00 am - 12:25 pmBOS-ORD
5h 25m1 stop
8:10 am - 3:23 pmORD-BOS
6h 13m1 stop
$311American Airlines
Find Deal
Mon, Nov 25 - Sat, Nov 30
6:00 am - 8:06 amBOS-ORD
3h 06mnonstop
8:51 am - 12:13 pmORD-BOS
2h 22mnonstop
$157JetBlue
Find Deal
Fri, Dec 6 - Wed, Dec 11
7:00 am - 8:45 amBOS-MDW
2h 45mnonstop
6:25 pm - 9:35 pmMDW-BOS
2h 10mnonstop
$158Southwest
Find Deal
Wed, Dec 4 - Tue, Dec 10
11:05 am - 1:03 pmBOS-ORD
2h 58mnonstop
6:30 am - 10:00 amORD-BOS
2h 30mnonstop
$158Delta
Find Deal
Thu, Dec 5 - Mon, Dec 9
11:05 am - 1:00 pmBOS-ORD
2h 55mnonstop
6:30 am - 10:00 amORD-BOS
2h 30mnonstop
$165Delta
Find Deal
Thu, Dec 12 - Fri, Dec 13
10:45 am - 12:41 pmBOS-ORD
2h 56mnonstop
9:20 am - 12:45 pmORD-BOS
2h 25mnonstop
$184United Airlines
Find Deal
Tue, Dec 3 - Thu, Dec 5
12:12 pm - 2:10 pmBOS-ORD
2h 58mnonstop
7:30 am - 10:56 amORD-BOS
2h 26mnonstop
$185United Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
6:45 am - 8:49 amBOS-ORD
3h 04mnonstop
8:30 pm - 12:15 amORD-BOS
2h 45mnonstop
$194American Airlines
Find Deal
Tue, Dec 31 - Sun, Jan 5
5:15 am - 7:19 amBOS-ORD
3h 04mnonstop
12:30 pm - 3:49 pmORD-BOS
2h 19mnonstop
$202American Airlines
Find Deal
Sun, Jan 5 - Wed, Jan 8
5:30 am - 7:37 amBOS-ORD
3h 07mnonstop
4:45 pm - 8:04 pmORD-BOS
2h 19mnonstop
$425Spirit Airlines
Find Deal
Sat, Nov 30 - Mon, Dec 2
5:30 am - 7:37 amBOS-ORD
3h 07mnonstop
4:45 pm - 8:04 pmORD-BOS
2h 19mnonstop
$433Spirit Airlines
Find Deal
Sat, Nov 30 - Mon, Dec 2

American Airlines flights from Boston to Chicago

Our best American Airlines deals on Boston to Chicago flight tickets
American Airlines
Dec 3
BOS12:00 pmBoston Logan Intl
2h 59m
ORD1:59 pmChicago O'Hare Intl
Dec 8
ORD8:35 pmChicago O'Hare Intl
2h 35m
BOS12:10 amBoston Logan Intl
American Airlines
Jan 5
BOS5:15 amBoston Logan Intl
3h 04m
ORD7:19 amChicago O'Hare Intl
Jan 8
ORD12:30 pmChicago O'Hare Intl
2h 19m
BOS3:49 pmBoston Logan Intl
American Airlines
Dec 4
BOS7:00 amBoston Logan Intl
6h 25m
1 stop
ORD12:25 pmChicago O'Hare Intl
Dec 7
ORD2:14 pmChicago O'Hare Intl
2h 19m
BOS5:33 pmBoston Logan Intl

Frontier flights from Boston to Chicago

Our best Frontier deals on Boston to Chicago flight tickets
Frontier
Dec 10
BOS6:00 amBoston Logan Intl
6h 42m
1 stop
MDW11:42 amChicago Midway
Dec 11
MDW12:57 pmChicago Midway
10h 33m
1 stop
BOS12:30 amBoston Logan Intl
Frontier
Dec 10
BOS6:00 amBoston Logan Intl
6h 42m
1 stop
MDW11:42 amChicago Midway
Dec 11
MDW12:57 pmChicago Midway
10h 33m
1 stop
BOS12:30 amBoston Logan Intl
Frontier
Dec 11
BOS6:00 amBoston Logan Intl
6h 42m
1 stop
MDW11:42 amChicago Midway
Dec 18
MDW2:20 pmChicago Midway
9h 10m
1 stop
BOS12:30 amBoston 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 from Boston to Chicago?

September. The cheapest time of year to fly to Chicago from Boston is September. Most expensive is April

What is the cheapest day to depart Boston for Chicago?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Boston to Chicago?

In the evening. Boston to Chicago flights are approximately 15% more expensive at noon than in the evening

What is the cheapest Boston to Chicago flight route?

Boston Logan Intl - Chicago O'Hare Intl. Fly from Boston Logan Intl to Chicago O'Hare Intl for the best Boston - Chicago flight prices

How far in advance should you book Boston to Chicago flights?

23 days before. The cheapest time to buy a flight from Boston to Chicago is approximately 23 days to departure

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

There are 4 cabin classes available to choose from on Boston 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?

You could potentially save up to 37% on your flight if you consider stops on a Boston to Chicago flight.

How have Boston to Chicago flight prices changed over time?

As of November 2024, prices for Boston to Chicago flights are approximately 19% 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 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

$45

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Boston in the past 72 hours is $45. The best round-trip flight deal from Boston to Chicago found on momondo in the last 72 hours is $100.
The fastest flight from Boston to Chicago takes 2h 45m
Direct flights go from Boston to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • 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 45m 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 $100. A train from Boston to Chicago is more expensive than a flight, with prices starting at $241. A bus from Boston to Chicago is also an option, with an average price of $334.

  • 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 45m 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
8,174 reviews
Search Spirit Airlines flights
JetBluePriceFrom $83Free CancellationRating
7.4
3,394 reviews
Search JetBlue flights
DeltaPriceFrom $94Free CancellationRating
8.0
8,756 reviews
Search Delta flights
FrontierPriceFrom $98Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
American AirlinesPriceFrom $135Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $145Free CancellationRating
8.1
5,014 reviews
Search Southwest flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
  • Southwest Flights From Boston to Chicago

    The lowest priced Southwest flight from Boston to Chicago from the last 72 hours was $145. Generally, Southwest has 16 flights on this route every week with an average price of $234. 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 $94 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $346. Delta operates 22 flights to Chicago from Boston in an average week. Users have rated it 8.0/10 across 8,756 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?

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

27h 55m
$162 one-way$334 round-trip
Nonstop · from $334

Distance to downtown

ZUN0.7 mi
G1N10.6 mi

Find Buses

Boston to Chicago Buses

Trains

22h 15m
$109 one-way$291 round-trip
Nonstop · from $291

Distance to downtown

ZUN0.7 mi

Flights

2h 45m
$45 one-way$100 round-trip

No transfers

Distance to downtown

MDW8.6 mi

An easier way to manage your Chicago trip

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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