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O'Hare Intl

$63+ Cheap flights from Boston (BOS) to O'Hare Intl (ORD)

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ORD
Nov 18 — Nov 251
Tue 11/18
Tue 11/25
1 adult, Economy
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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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Cheapflights Tip: The best prices from Boston Logan Intl to Chicago O'Hare Intl are usually found in September or January, booked 74 days in advance, depart on a Friday or Wednesday and return on a Thursday

Find flight deals from Boston to O'Hare Intl

Cheapest flights from Boston to O'Hare Intl
Explore the most affordable flight options available from Boston to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2025.

This United Airlines deal was found by Cheapflights users on 10/17. 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.
Tue 12/912:50 pmBOS - ORD
Nonstop3h 00mUnited Airlines
Mon 12/229:12 pmORD - BOS
Nonstop2h 33mUnited Airlines
Deal found 10/17$127
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Tue 12/26:00 amBOS - ORD
1 stop10h 12mFrontier
Wed 12/3112:39 pmORD - BOS
1 stop20h 29mFrontier
Deal found 10/16$129
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 11/67:45 amBOS - ORD
Nonstop3h 00mUnited Airlines
Sat 11/81:55 pmORD - BOS
Nonstop2h 20mUnited Airlines
Deal found 10/18$133
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Sat 11/1511:43 amBOS - ORD
1 stop12h 46mFrontier
Sun 11/161:50 pmORD - BOS
1 stop20h 45mFrontier
Deal found 10/18$134
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/246:15 pmBOS - ORD
Nonstop2h 55mUnited Airlines
Mon 10/279:25 pmORD - BOS
Nonstop2h 20mUnited Airlines
Deal found 10/17$135
This lastminute.com deal was found by Cheapflights users on 10/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:30 amBOS - ORD
Nonstop3h 05mJetBlue
Tue 12/911:25 amORD - BOS
Nonstop2h 24mJetBlue
Deal found 10/18$136
This Delta deal was found by Cheapflights users on 10/19. 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.
Sat 11/84:10 pmBOS - ORD
Nonstop2h 57mDelta
Sun 11/97:10 amORD - BOS
Nonstop2h 26mDelta
Deal found 10/19$137
This KAYAK deal was found by Cheapflights users on 10/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:30 amBOS - ORD
Nonstop3h 00mUnited Airlines
Mon 10/279:25 pmORD - BOS
Nonstop2h 20mUnited Airlines
Deal found 10/17$138
This Rumbo deal was found by Cheapflights users on 10/17. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:10 amBOS - ORD
Nonstop3h 05mJetBlue
Thu 11/208:20 amORD - BOS
1 stop4h 56mJetBlue
Deal found 10/17$139
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 10/2910:25 amBOS - ORD
1 stop7h 40mUnited Airlines
Sun 11/25:15 amORD - BOS
Nonstop2h 15mUnited Airlines
Deal found 10/17$140
This Delta deal was found by Cheapflights users on 10/18. 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 12/27:52 pmBOS - ORD
Nonstop2h 55mDelta
Tue 12/97:10 pmORD - BOS
Nonstop2h 24mDelta
Deal found 10/18$142
This Rumbo deal was found by Cheapflights users on 10/17. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:09 amBOS - ORD
Nonstop3h 13mJetBlue
Mon 10/2711:20 amORD - BOS
Nonstop2h 24mJetBlue
Deal found 10/17$143

Cheap flight deals from Boston to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to O'Hare Intl (ORD). 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 October 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Delta)

One-way from

$63
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$247

Good round-trip deal

$209 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Boston Logan Intl-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Chicago O'Hare Intl flights.
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From Boston Logan Intl to Chicago O'Hare Intl
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One-way flight from Boston Logan Intl to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to O'Hare Intl 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 October 19, 2025.
Use the filters below to find and compare flights from Boston to Chicago O'Hare Intl Airport that are best for you.

Fly from

Boston

Fly to

O'Hare Intl

Route

Depart

Return

Price

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Mon 12/8

4:20 pm-6:20 pm

Nonstop3h 00m

Chicago O'Hare Intl

Mon 12/22

9:12 pm-12:45 am

Nonstop2h 33m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 12/25

4:31 pm-6:46 pm

Nonstop3h 15m

Chicago O'Hare Intl

Wed 12/31

7:41 pm-11:10 pm

Nonstop2h 29m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 12/9

6:00 am-8:00 am

Nonstop3h 00m

Chicago O'Hare Intl

Mon 12/22

9:12 pm-12:45 am

Nonstop2h 33m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 1/15

10:30 am-12:34 pm

Nonstop3h 04m

Chicago O'Hare Intl

Tue 1/20

11:05 am-2:29 pm

Nonstop2h 24m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 11/6

7:45 am-9:45 am

Nonstop3h 00m

Chicago O'Hare Intl

Sat 11/8

1:55 pm-5:15 pm

Nonstop2h 20m

$133

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 11/11

8:30 am-10:35 am

Nonstop3h 05m

Chicago O'Hare Intl

Tue 11/11

6:55 pm-10:27 pm

Nonstop2h 32m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 10/24

6:15 pm-8:10 pm

Nonstop2h 55m

Chicago O'Hare Intl

Wed 10/29

12:50 pm-4:10 pm

Nonstop2h 20m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sun 11/23

6:00 am-8:00 am

Nonstop3h 00m

Chicago O'Hare Intl

Wed 12/3

9:19 am-12:43 pm

Nonstop2h 24m

$138

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 1/15

5:00 am-12:15 pm

1 stop8h 15m

Chicago O'Hare Intl

Tue 1/20

1:45 pm-9:45 pm

1 stop7h 00m

$147

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sun 11/23

6:00 am-8:00 am

Nonstop3h 00m

Chicago O'Hare Intl

Fri 11/28

9:20 am-12:44 pm

Nonstop2h 24m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 24 results
1
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Compare providers for flights from Boston to O'Hare Intl

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 Boston to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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 Boston-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Chicago O'Hare Intl Airport 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 Boston-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Boston 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 Boston to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Boston to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to O'Hare Intl. Price data was last updated on October 17, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Chicago O'Hare Intl Airport, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Chicago O'Hare Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Boston to Chicago O'Hare Intl Airport (average of $87). Flying from Boston to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $135). 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 BOS to ORD?

Find hourly flight availability from Boston to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2025.

It’s optimal to fly from Boston to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Boston to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boston to O'Hare Intl. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Boston to Chicago O'Hare Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Boston to Chicago O'Hare Intl Airport 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 Boston to Chicago O'Hare Intl Airport trip
Airlines
United Airlines

United's Economy Plus offers extra legroom and priority boarding, enhancing comfort on domestic flights.


Prepay for checked bags on United to save money. Avoid fees by using MileagePlus Premier benefits.

Read more about United Airlinesby Harriet Baskas
Spirit Airlines

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


Use Spirit's self-service bag drop for a faster airport experience. Print boarding pass beforehand to avoid fees.

Read more about Spirit Airlinesby Daniel Scheffler
Airports
BOS

Use the FlyLogan App to pre-order meals and save time at BOS. Most restaurants participate in this convenient service.

Read more about BOSby Paul Rubio
ORD

Take the 'L' train from downtown Chicago to ORD to avoid traffic delays. It's a reliable public transport option.

Read more about ORDby Ramsey Qubein
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
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 19, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Boston to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,976 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,994 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,026 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
JetBlue
7.2
Good
2,907 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,104 reviews
Delta
7.9
Good
7,976 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Boston to O'Hare Intl. 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 from for flights from Boston to Chicago O'Hare Intl?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Chicago O'Hare Intl. On average, Logan Intl has 59 outbound flights to Chicago O'Hare Intl per day from 7 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Boston to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Boston to Chicago O'Hare Intl Airport in 3h. Fly via United Airlines or JetBlue to get the fastest option. There are 864 mi between Boston and Chicago O'Hare Intl Airport. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Boston to Chicago O'Hare Intl Airport round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $71. Additional round-trip tickets that might be worth considering are offered by JetBlue and Frontier, with the lowest prices starting at $80 and $100, respectively. Spirit Airlines is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Boston to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Boston to Chicago O'Hare Intl Airport consider choosing TAP AIR PORTUGAL (88%), Icelandair (88%) or Avianca (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Chicago O'Hare Intl Airport?

    The cheapest flight price from Boston to Chicago O'Hare Intl Airport is $60. On average you can expect to pay $712. The most popular route, (Boston Logan Intl - Chicago O'Hare Intl), can usually be booked for $116.

  • Can I find deals for flights from Boston to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Boston to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to O'Hare Intl?

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

  • Can I find deals for business class flights from Boston to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Boston to O'Hare Intl 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 Boston to Chicago O'Hare Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Boston to Chicago O'Hare Intl Airport (average of $87). Flying from Boston to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $135). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Racine
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Boston to O'Hare Intl

Discover the top 7 airlines that operate flights from Boston to O'Hare Intl. 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 October 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$71Average$250FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$80Average$195FlexibilityNo cancel feeOn-time62%
FrontierCheapest$100Average$112FlexibilityNo cancel feeOn-time62%
DeltaCheapest$115Average$253FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$134Average$279FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$257FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$156Average$203FlexibilityNo cancel feeOn-time63%

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