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$69+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOS
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
1 adult, Economy
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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”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: 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 April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Delta)

One-way from

$69
(JetBlue)

Popular in

April

Cheapest in

September

Average price

$293

Good round-trip deal

$191 or less

Good one-way deal

$78 or less
Provider with most accurate pricing for Chicago (CHI)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Boston Logan Intl flights.
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From Chicago (CHI) to Boston Logan Intl
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One-way flight from Chicago (CHI) to Boston Logan Intl
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Highest demand for flights based on searches. 14% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Boston Logan Intl.
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Price to beat on a one-way flight from Chicago (CHI) to Boston Logan Intl.
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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 April 4, 2025.

This Delta deal was found by Cheapflights users on 4/4. 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.
Tue 5/67:00 amORD - BOS
Nonstop2h 26mDelta
Fri 5/98:20 pmBOS - ORD
Nonstop2h 54mDelta
Deal found 4/4$117
This Southwest deal was found by Cheapflights users on 4/4. 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.
Sat 4/126:30 pmMDW - BOS
Nonstop2h 15mSouthwest
Mon 4/145:45 amBOS - MDW
Nonstop2h 35mSouthwest
Deal found 4/4$117
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 5/37:05 amORD - BOS
Nonstop2h 28mAmerican Airlines
Wed 5/75:15 amBOS - ORD
Nonstop3h 00mAmerican Airlines
Deal found 4/2$118
This CheapOair deal was found by Cheapflights users on 4/2. 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.
Wed 4/307:47 pmORD - BOS
1 stop13h 35mSpirit Airlines
Wed 5/73:49 pmBOS - ORD
1 stop8h 15mSpirit Airlines
Deal found 4/2$120
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Fri 8/156:00 amORD - BOS
Nonstop2h 26mUnited Airlines
Mon 8/186:59 pmBOS - ORD
1 stop5h 38mUnited Airlines
Deal found 4/4$123
This JetBlue deal was found by Cheapflights users on 4/4. 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.
Thu 5/16:20 amORD - BOS
1 stop4h 26mJetBlue
Mon 5/56:00 amBOS - ORD
Nonstop3h 03mJetBlue
Deal found 4/4$127
This Southwest deal was found by Cheapflights users on 4/4. 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.
Tue 5/61:50 pmORD - BOS
1 stop4h 20mSouthwest
Thu 5/85:30 amBOS - ORD
1 stop7h 20mSouthwest
Deal found 4/4$136
This CheapOair deal was found by Cheapflights users on 4/4. 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.
Thu 5/154:15 pmORD - BOS
1 stop7h 50mFrontier
Sun 5/1810:14 amBOS - ORD
1 stop28h 27mFrontier
Deal found 4/4$200
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:19 pmMDW - BOS
1 stop10h 46mFrontier
Sun 5/1110:14 amBOS - MDW
1 stop13h 26mFrontier
Deal found 4/3$200
This Booking.com deal was found by Cheapflights users on 4/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:15 pmORD - BOS
1 stop14h 20mMultiple Airlines
Wed 4/302:12 pmBOS - ORD
1 stop11h 08mMultiple Airlines
Deal found 4/3$203
This Mytrip deal was found by Cheapflights users on 4/3. 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.
Fri 6/68:36 pmMDW - BOS
1 stop11h 36mAllegiant Air
Thu 6/1211:31 amBOS - MDW
1 stop20h 44mAllegiant Air
Deal found 4/3$215
This Mytrip deal was found by Cheapflights users on 4/4. 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.
Fri 6/68:36 pmMDW - BOS
1 stop11h 36mMultiple Airlines
Sun 6/86:10 amBOS - MDW
2 stops38h 36mMultiple Airlines
Deal found 4/4$271

Cheapflights Fare Finder

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 April 4, 2025.
Use the filters below to find and compare flights from Chicago to Boston that are best for you.

Fly from

Chicago

Fly to

Boston

Route

Depart

Return

Price

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Tue 5/6

7:00 am-10:26 am

Nonstop2h 26m

Boston Logan Intl

Wed 5/7

7:15 am-9:09 am

Nonstop2h 54m

$117

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Tue 5/6

1:15 pm-4:35 pm

Nonstop2h 20m

Boston Logan Intl

Fri 5/9

5:45 am-7:20 am

Nonstop2h 35m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 5/3

7:05 am-10:33 am

Nonstop2h 28m

Boston Logan Intl

Wed 5/7

5:15 am-7:15 am

Nonstop3h 00m

$118

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 4/30

7:47 pm-10:22 am

1 stop13h 35m

Boston Logan Intl

Wed 5/7

3:49 pm-11:04 pm

1 stop8h 15m

$120

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 8/15

6:00 am-9:26 am

Nonstop2h 26m

Boston Logan Intl

Mon 8/18

6:59 pm-11:37 pm

1 stop5h 38m

$123

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 5/1

6:20 am-2:14 pm

1 stop6h 54m

Boston Logan Intl

Mon 5/5

6:00 am-8:03 am

Nonstop3h 03m

$127

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Tue 5/6

1:50 pm-7:10 pm

1 stop4h 20m

Boston Logan Intl

Thu 5/8

5:30 am-11:50 am

1 stop7h 20m

$136

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Thu 5/8

4:00 pm-9:34 am

1 stop16h 34m

Boston Logan Intl

Mon 5/12

12:58 pm-11:47 pm

1 stop11h 49m

$200

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 4/24

7:15 pm-10:35 am

1 stop14h 20m

Boston Logan Intl

Wed 4/30

2:12 pm-12:20 am

1 stop11h 08m

$203

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Mon 4/21

5:31 pm-12:31 am

1 stop6h 00m

Boston Logan Intl

Thu 5/1

12:48 pm-11:11 pm

1 stop11h 23m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 27 results
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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 April.
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

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.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Boston trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, ideal for comfort on short flights.


United's MileagePlus allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for short flights.


Spirit's self-service bag drop saves time; print your boarding pass at home to avoid fees.

Read more about Spirit Airlinesby Daniel Scheffler
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Boston

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 March 28, 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 79 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 April 4, 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 in the afternoon, 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 March 30, 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 April 4, 2025.

The most flights from CHI to BOS are scheduled on a Friday (68 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 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 April 4, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta 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.
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,837 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,618 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,920 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 46 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 $117. Other airlines that can offer you cheap pricing are Southwest, from $117, and American Airlines, from $118. These flights start at 51% 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 JetBlue. According to our data, you can fly for as low as $69. Users have also found prices from $73 and $74 on Spirit Airlines and Southwest, 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: Air France (100%), Iberia (88%), Virgin Atlantic( 87%).

  • What are the cheapest flights from Chicago to Boston?

    On average you can expect to pay $443 for a flight from Chicago to Boston. The cheapest flight overall is $52 while the most popular route, (Chicago O'Hare Intl - Boston Logan Intl) is currently priced at $113.

  • 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
Marlborough
Waltham
Cambridge
Framingham
Chestnut Hill
Seekonk
Randolph
Brockton
Lowell
West Yarmouth
Woburn
Somerville
Saco
Burlington
Smithfield
Salem
Chelsea
Seabrook
Brookline

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Alternative routes for Chicago to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$96FlexibilityNo cancel feeOn-time65%
DeltaCheapest$63Average$301FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$69Average$115FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$82Average$234FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$140Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$153Average$297FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$292FlexibilityNo cancel feeOn-time63%

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