Boston

$79+ Cheap flights from Chicago (CHI) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOS
Feb 4 — Feb 111
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Find cheap flights from Chicago to Boston with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
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The best prices from Chicago to Boston Logan Intl are usually found in September or August, booked 83 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Chicago to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$146
(Kiwi.com)

One-way from

$79
(Delta)

Popular in

April

Cheapest in

September

Average price

$227

Good round-trip deal

$193 or less

Good one-way deal

$108 or less
Provider with most accurate pricing for Chicago (CHI)-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Boston Logan Intl flights.
From Chicago (CHI) to Boston Logan Intl
One-way flight from Chicago (CHI) to Boston Logan Intl
Highest demand for flights based on searches. 15% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in January 2025
Price to beat on a round-trip flight from Chicago (CHI) to Boston Logan Intl.
Price to beat on a one-way flight from Chicago (CHI) to Boston Logan Intl.

Find flight deals from Chicago to Boston

Cheapest flights from Chicago to Boston
Explore the most affordable flight options available from Chicago to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:15 pmORD - BOS
1 stop7h 29mMultiple Airlines
Tue 5/134:35 pmBOS - ORD
1 stop6h 53mMultiple Airlines
Deal found 1/29$146
This Trip.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/14:19 pmMDW - BOS
1 stop7h 11mFrontier
Fri 3/75:10 amBOS - MDW
1 stop7h 24mFrontier
Deal found 1/29$146
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/127:07 amORD - BOS
2 stops14h 34mSpirit Airlines
Tue 2/188:10 pmBOS - ORD
1 stop16h 40mSpirit Airlines
Deal found 1/29$147
This CheapOair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/710:00 amORD - BOS
1 stop13h 44mFrontier
Tue 3/116:00 amBOS - ORD
1 stop29h 57mFrontier
Deal found 1/29$149
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/207:10 amORD - BOS
Nonstop2h 33mDelta
Tue 2/2511:45 amBOS - ORD
Nonstop3h 01mDelta
Deal found 1/29$157
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2610:05 amMDW - BOS
Nonstop2h 15mSouthwest
Fri 2/287:45 pmBOS - MDW
Nonstop2h 50mSouthwest
Deal found 1/29$157
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/168:05 amORD - BOS
Nonstop2h 14mAmerican Airlines
Thu 2/206:34 amBOS - ORD
Nonstop3h 05mAmerican Airlines
Deal found 1/29$168
This JetBlue deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/14:50 pmORD - BOS
Nonstop2h 24mJetBlue
Mon 3/33:00 pmBOS - ORD
Nonstop3h 00mJetBlue
Deal found 1/29$177
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/289:37 pmORD - BOS
Nonstop2h 32mUnited Airlines
Sat 7/57:30 pmBOS - ORD
1 stop5h 12mUnited Airlines
Deal found 1/29$205
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/101:50 pmORD - BOS
2 stops9h 30mSouthwest
Fri 3/145:40 pmBOS - ORD
1 stop4h 50mSouthwest
Deal found 1/29$232
This Kissandfly.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/154:40 pmMDW - BOS
1 stop7h 04mMultiple Airlines
Sat 3/2210:21 pmBOS - MDW
2 stops15h 41mMultiple Airlines
Deal found 1/29$305
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/66:00 amMDW - BOS
1 stop6h 39mDelta
Wed 2/126:05 amBOS - MDW
2 stops13h 06mDelta
Deal found 1/29$315

Find flights from Chicago to Boston within your budget

Customize your flight search to find flights from Chicago to Boston 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, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 2/19

7:25 am-12:31 am

1 stop16h 06m

Boston Logan Intl

Sun 2/23

6:00 am-9:27 am

1 stop28h 27m

$146

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Sat 3/1

4:19 pm-12:30 am

1 stop7h 11m

Boston Logan Intl

Fri 3/7

5:10 am-11:34 am

1 stop7h 24m

$146

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 2/12

7:07 am-10:41 pm

2 stops14h 34m

Boston Logan Intl

Tue 2/18

8:10 pm-11:50 am

1 stop16h 40m

$147

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Mon 2/17

7:13 pm-1:29 pm

1 stop17h 16m

Boston Logan Intl

Fri 2/21

12:45 pm-9:15 am

1 stop21h 30m

$148

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 2/20

7:10 am-10:43 am

Nonstop2h 33m

Boston Logan Intl

Tue 2/25

8:20 pm-10:19 pm

Nonstop2h 59m

$157

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Wed 2/26

10:05 am-1:20 pm

Nonstop2h 15m

Boston Logan Intl

Fri 2/28

7:45 pm-9:35 pm

Nonstop2h 50m

$157

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 2/28

12:50 pm-4:13 pm

Nonstop2h 23m

Boston Logan Intl

Thu 3/6

2:30 pm-4:30 pm

Nonstop3h 00m

$167

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 3/8

7:20 am-10:43 am

Nonstop2h 23m

Boston Logan Intl

Tue 3/11

1:40 pm-3:40 pm

Nonstop3h 00m

$178

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 3/1

6:00 am-11:21 am

1 stop4h 21m

Boston Logan Intl

Sat 3/8

8:55 am-10:57 am

Nonstop3h 02m

$187

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Mon 2/24

4:00 pm-10:55 pm

1 stop5h 55m

Boston Logan Intl

Thu 2/27

5:20 pm-9:30 pm

1 stop5h 10m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 25 results
1
2
3

Compare providers for flights from Chicago to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Boston in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Chicago to Boston flights

Find out what our experts recommend to make the most of your Chicago to Boston trip
Airlines
American Airlines

American Airlines' Main Cabin Extra offers more legroom, enhancing comfort on short domestic flights.


American Airlines provides priority boarding with Main Cabin Extra, saving time for business travelers.

United Airlines

United's Economy Plus offers extra legroom, perfect for added comfort on short domestic routes.


United's free snacks and drinks enhance the short-haul travel experience for all economy passengers.

Delta

Delta offers free Wi-Fi for SkyMiles members on most domestic flights, enhancing travel productivity.


Delta Comfort Plus provides extra legroom and early boarding, ideal for a comfortable short flight.

Read more about Deltaby Harriet Baskas
JetBlue

JetBlue offers free onboard Wi-Fi, ideal for staying connected during short flights.


JetBlue's Even More Space seats provide up to 38 inches of legroom, enhancing comfort.

Read more about JetBlueby Blane Bachelor
Airports
ORD

For a quick departure from ORD, consider using the free shuttle train between terminals to save time navigating the sprawling layout.

Read more about ORDby Ramsey Qubein
MDW

Use the mobile food ordering system at MDW to save time and avoid missing your boarding group, especially on Southwest flights.

Read more about MDWby Ramsey Qubein
BOS

For a scenic arrival at BOS, consider the water taxi service to Boston’s Long Wharf or Seaport District, offering a unique view of the city.

Read more about BOSby Paul Rubio
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on American Airlines

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines and Delta

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Blane Bachelor

Blane Bachelor

Expert on JetBlue

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

Best time to book a flight from Chicago to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Chicago to Boston

Get recent, data-driven insights about flights from Chicago to Boston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Boston. Price data was last updated on January 24, 2025.

The price you pay for your flight from Chicago to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago to Boston?

Currently, January is the cheapest month in which you can book a flight from Chicago to Boston (average of $218). Flying from Chicago to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to BOS?

Find hourly flight availability from Chicago to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

It’s typically best to fly out from Chicago to Boston in the evening. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago to Boston?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Boston. Price data was last updated on January 26, 2025.

Travelers seeking maximum savings on their Chicago to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Boston

Explore weekly flight availability from Chicago to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 30, 2025.

The most flights from CHI to BOS are scheduled on a Thursday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated January 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and JetBlue from Chicago to Boston to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Boston from Chicago?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Chicago to Boston. You should not have trouble finding flights to Logan Intl from Chicago; the airport handles an average of 39 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Boston airport from Chicago. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • What are the cheapest airlines flying from Chicago to Boston round-trip?

    Cheapflights users have booked flights from Chicago to Boston round-trip from $146. Other airlines that can offer you cheap pricing are Spirit Airlines, from $151, and Delta, from $157. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Boston one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $79. Users have also found prices from $79 and $80 on Southwest and Spirit Airlines, respectively.

  • What are the most reliable airlines from Chicago to Boston?

    Before booking your flight to Boston from Chicago, check out the most reliable airlines to get you to your destination on time: Korean Air (92%), Etihad Airways (89%), Scandinavian Airlines( 85%).

  • What are the cheapest flights from Chicago to Boston?

    On average you can expect to pay $663 for a flight from Chicago to Boston. The cheapest flight overall is $78 while the most popular route, (Chicago O'Hare Intl - Boston Logan Intl) is currently priced at $90.

  • Can I find deals for flights from Chicago to Boston that include hotel bookings?

    Yes. In addition to deals on Chicago to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Boston.

  • Can I find deals for business class flights from Chicago to Boston?

    Yes. Cheapflights offers flight deals from Chicago to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Boston?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Boston (average of $218). Flying from Chicago to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Warwick
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Framingham
Somerville
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Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Chicago to Boston

Discover the top 7 airlines that operate flights from Chicago to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$96FlexibilityNo cancel feeOn-time65%
DeltaCheapest$63Average$316FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$69Average$116FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$86Average$240FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$138Average$256FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$153Average$282FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$156Average$299FlexibilityNo cancel feeOn-time69%
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