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Cheap flights from Chicago to Boston 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 Chicago to Boston departing on 6/4. 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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Find the cheapest flights from Chicago to Boston

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Boston that have been recently found on momondo from popular airlines, departing in the coming months.
Spirit Airlines Logo
7:37 am - 9:50 pmORD-BOS
13h 13m1 stop
Spirit Airlines Logo
3:49 pm - 11:04 pmBOS-ORD
8h 15m1 stop
$109Spirit Airlines
Find Deal
Wed, Jun 4 - Wed, Jun 11
JetBlue Logo
4:51 pm - 8:27 pmORD-BOS
2h 36mnonstop
JetBlue Logo
6:00 am - 7:55 amBOS-ORD
2h 55mnonstop
$117JetBlue
Find Deal
Fri, Jun 20 - Mon, Jun 23
Southwest Logo
5:30 am - 8:45 amMDW-BOS
2h 15mnonstop
Southwest Logo
5:50 am - 7:30 amBOS-MDW
2h 40mnonstop
$117Southwest
Find Deal
Fri, May 9 - Wed, May 14
United Airlines Logo
8:05 pm - 11:32 pmORD-BOS
2h 27mnonstop
United Airlines Logo
6:59 pm - 11:37 pmBOS-ORD
5h 38m1 stop
$123United Airlines
Find Deal
Wed, Jul 23 - Tue, Jul 29
Southwest Logo
5:30 am - 8:45 amMDW-BOS
2h 15mnonstop
Southwest Logo
12:25 pm - 6:10 pmBOS-MDW
6h 45m1 stop
$127Southwest
Find Deal
Fri, May 9 - Wed, May 14
Delta Logo
7:00 am - 10:25 amORD-BOS
2h 25mnonstop
Delta Logo
7:20 am - 9:18 amBOS-ORD
2h 58mnonstop
$137Delta
Find Deal
Sat, May 31 - Mon, Jun 9
United Airlines Logo
6:30 am - 9:56 amORD-BOS
2h 26mnonstop
United Airlines Logo
6:00 am - 7:58 amBOS-ORD
2h 58mnonstop
$139United Airlines
Find Deal
Sun, May 25 - Sun, Jun 15
American Airlines Logo
4:40 pm - 8:01 pmORD-BOS
2h 21mnonstop
American Airlines Logo
7:23 pm - 9:25 pmBOS-ORD
3h 02mnonstop
$141American Airlines
Find Deal
Wed, May 28 - Wed, Jun 4
Delta Logo
7:00 am - 10:25 amORD-BOS
2h 25mnonstop
Delta Logo
7:15 am - 9:09 amBOS-ORD
2h 54mnonstop
$148Delta
Find Deal
Thu, May 29 - Sun, Jun 1
American Airlines Logo
8:30 pm - 12:14 amORD-BOS
2h 44mnonstop
American Airlines Logo
5:29 pm - 7:30 pmBOS-ORD
3h 01mnonstop
$157American Airlines
Find Deal
Fri, Sep 26 - Tue, Sep 30

JetBlue flights from Chicago to Boston

Our best JetBlue deals on Chicago to Boston flight tickets
JetBlue
May 7
ORD10:50 amChicago O'Hare Intl
2h 28m
BOS2:18 pmBoston Logan Intl
May 7
BOS4:30 pmBoston Logan Intl
3h 06m
ORD6:36 pmChicago O'Hare Intl
JetBlue
Jun 20
ORD4:51 pmChicago O'Hare Intl
2h 36m
BOS8:27 pmBoston Logan Intl
Jun 23
BOS6:00 amBoston Logan Intl
2h 55m
ORD7:55 amChicago O'Hare Intl
JetBlue
May 9
ORD8:45 amChicago O'Hare Intl
2h 28m
BOS12:13 pmBoston Logan Intl
May 11
BOS6:00 amBoston Logan Intl
3h 00m
ORD8:00 amChicago O'Hare Intl

Southwest flights from Chicago to Boston

Our best Southwest deals on Chicago to Boston flight tickets
Southwest
May 9
MDW5:30 amChicago Midway
2h 15m
BOS8:45 amBoston Logan Intl
May 14
BOS5:50 amBoston Logan Intl
2h 40m
MDW7:30 amChicago Midway
Southwest
May 9
MDW5:30 amChicago Midway
2h 15m
BOS8:45 amBoston Logan Intl
May 14
BOS12:25 pmBoston Logan Intl
6h 45m
1 stop
MDW6:10 pmChicago Midway
Southwest
May 9
MDW5:30 amChicago Midway
2h 15m
BOS8:45 amBoston Logan Intl
May 14
BOS1:30 pmBoston Logan Intl
6h 40m
2 stops
MDW7:10 pmChicago Midway

See travel insights to Boston from

How to get the cheapest flight ticket from Chicago to Boston

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 Chicago and Boston?

What is the cheapest month to fly to Boston?

In general, September is the cheapest month to fly from Chicago to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $191. If you aren’t able to travel during the month of September, then book flights to Boston from Chicago during August instead. Flights to Boston in August, while not as cheap as those in September, still average around $207.

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

The cheapest day to depart from Chicago to Boston is on a Wednesday when prices can be found for as low as $250. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $326.

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

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Chicago to Boston in the evening for as low as $199. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $297 per ticket.

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

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

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

You are more likely to see cheaper flights to Boston from Chicago when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $239 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Chicago for as low as $200 on momondo.

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

There are 4 cabin classes available to choose from on Chicago to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Boston flight prices changed over time?

As of April 2025, prices for Chicago to Boston flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Boston

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

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

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

Best Price Found

$45

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Chicago in the past 72 hours is $45. The best round-trip flight deal from Chicago to Boston found on momondo in the last 72 hours is $109.
The fastest flight from Chicago to Boston takes 2h 10m
Direct flights go from Chicago to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

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

    The quickest way is to book a flight from Chicago to Boston, which can be as quick as 2h 15m onboard Southwest. You can also get a train from Chicago to Boston, or a bus from Chicago to Boston which can take you longer to arrive at your destination.

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

    A flight from Chicago to Boston is currently going to be the least expensive option currently available. You can also find deals for a train from Chicago to Boston starting at $251, or consider a bus from Chicago to Boston starting at $187. Both of these alternative options are worth considering when looking to reach your destination.

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

    The distance between Chicago and Boston Logan Intl is about 847.9 mi. 2h 15m is a normal flight duration for this route.

  • What is the carbon footprint of flying from Chicago to Boston Logan Intl?

    Flying from Chicago to Boston Logan Intl has a carbon footprint of about 753lb. Flight search results on momondo can be sorted by their carbon footprint. The carbon footprint of this journey by train would be 189lb - a 75% reduction. By bus, this journey’s emissions can be cut to 119lb. This would result in a 85% smaller carbon footprint vs. flying.

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

    Prices for flights from Chicago to Boston Logan Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport 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 Boston Logan Intl Airport. 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 Chicago to Boston?

  • What is the most popular airline from Chicago to Boston?


Best airlines flying from Chicago to Boston

Compare and see reviews for airlines that fly from Chicago to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
7,961 reviews
Search Spirit Airlines flights
DeltaPriceFrom $63Free CancellationRating
8.0
7,936 reviews
Search Delta flights
FrontierPriceFrom $69Free CancellationRating
5.9
3,287 reviews
Search Frontier flights
JetBluePriceFrom $79Free CancellationRating
7.3
2,922 reviews
Search JetBlue flights
American AirlinesPriceFrom $137Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $138Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,295 reviews
Search Southwest flights
  • Delta Flights From Chicago to Boston

    Delta flight deals from Chicago to Boston start from $63 round-trip. Over the 12 Delta flights for this route in a normal week, average airfare is usually $298 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Chicago to Boston

    Another popular option for Chicago to Boston flights is Southwest (8.0/10, 4,295 ratings). Southwest flies from Chicago to Boston around 15 times per week, with deals starting from $157 round-trip and rising to an average price of around $293.


Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
Nashua
York Beach
Plymouth
Cambridge
Brockton
Laconia
Concord
Everett
Warwick
Middletown
Narragansett
Wells
Kennebunkport
Revere
Gloucester

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Boston. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Chicago to Boston on momondo can be filtered to show those which offer flexible booking policies.

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

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

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

Yes. momondo can track prices for Chicago to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


Choose the best way to get from Chicago to Boston

Buses

28h 10m
$88 one-way$187 round-trip
Nonstop · from $187

Distance to downtown

ZTO0.6 mi
119lb CO2

84% less than flights

Find Buses

Chicago to Boston Buses

Trains

21h 54m
$114 one-way$251 round-trip
Nonstop · from $251

Distance to downtown

ZTO0.6 mi
ZTY1.3 mi
189lb CO2

75% less than flights

Find Trains

Chicago to Boston Trains

Flights

2h 10m
$45 one-way$109 round-trip
Nonstop · from $1171 stop · from $123

Distance to downtown

BOS2.6 mi

An easier way to manage your Boston trip

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