CHI - BOS

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Everything you should know

Cheapest round-trip
$176
Typical prices: $178-$311
Frontier
Sun 9/2Wed 9/5
ORD - BOS • 1 stop
Cheapest non-stop
$203
Typical prices: $178-$309
JetBlue
Tue 10/2Sun 10/7
ORD - BOS • Non-stop
Nonstop flights
You can fly direct with American Airlines, United Airlines and others. Average duration is 2h 34m.
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 5% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 80% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $203 (round-trip)
Shortest trip • 4h 51m (one-way)
Insights
Insights
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Expert advice
Flight Deals

Cheap Flights from Chicago to Boston (CHI-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Boston

Wed, Sep 2 - Sat, Sep 5
Frontier Logo
7:44 pm - 9:09 amORD  Chicago O'Hare Intl-BOS Boston Logan Intl
12h 25m1 stop Orlando
Frontier Logo
12:45 pm - 8:08 pmBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
8h 23m1 stop Atlanta Hartsfield-Jackson
$176Frontier
Wed, Sep 9 - Sat, Sep 12
Frontier Logo
3:50 pm - 10:22 amORD  Chicago O'Hare Intl-BOS Boston Logan Intl
17h 32m1 stop Orlando
Frontier Logo
12:54 pm - 6:23 pmBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
6h 29m1 stop Atlanta Hartsfield-Jackson
$183Frontier
Fri, Oct 2 - Wed, Oct 7
JetBlue Logo
6:30 am - 2:40 pmORD  Chicago O'Hare Intl-BOS Boston Logan Intl
7h 10m1 stop New York John F Kennedy Intl
JetBlue Logo
6:55 am - 8:46 amBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
2h 51mnonstop
$195JetBlue
Fri, Oct 2 - Wed, Oct 7
JetBlue Logo
6:30 am - 2:40 pmORD  Chicago O'Hare Intl-BOS Boston Logan Intl
7h 10m1 stop New York John F Kennedy Intl
JetBlue Logo
6:55 am - 11:47 amBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
5h 52m1 stop New York John F Kennedy Intl
$197JetBlue
Tue, Jan 26 - Tue, Feb 23
United Airlines Logo
4:10 pm - 7:38 pmORD  Chicago O'Hare Intl-BOS Boston Logan Intl
2h 28mnonstop
United Airlines Logo
6:33 pm - 8:25 pmBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
2h 52mnonstop
$255United Airlines
Thu, Oct 1 - Sun, Oct 4
United Airlines Logo
9:24 pm - 12:54 amORD  Chicago O'Hare Intl-BOS Boston Logan Intl
2h 30mnonstop
United Airlines Logo
6:00 am - 7:59 amBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
2h 59mnonstop
$255United Airlines
Sat, Sep 26 - Sun, Sep 27
American Airlines Logo
6:50 am - 10:29 amORD  Chicago O'Hare Intl-BOS Boston Logan Intl
2h 39mnonstop
American Airlines Logo
6:00 am - 8:10 amBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
3h 10mnonstop
$255American Airlines
Sun, Sep 6 - Mon, Sep 7
American Airlines Logo
7:15 pm - 10:50 pmORD  Chicago O'Hare Intl-BOS Boston Logan Intl
2h 35mnonstop
American Airlines Logo
6:14 am - 8:20 amBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
3h 06mnonstop
$255American Airlines
Mon, Nov 16 - Fri, Nov 20
Delta Logo
10:35 am - 1:59 pmORD  Chicago O'Hare Intl-BOS Boston Logan Intl
2h 24mnonstop
Delta Logo
7:30 am - 9:35 amBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
3h 05mnonstop
$255Delta
Fri, Sep 25 - Mon, Sep 28
Delta Logo
7:30 pm - 11:09 pmORD  Chicago O'Hare Intl-BOS Boston Logan Intl
2h 39mnonstop
Delta Logo
8:50 pm - 10:32 pmBOS  Boston Logan Intl-ORD Chicago O'Hare Intl
2h 42mnonstop
$255Delta
Booking Insights

Price, demand and travel trends for Chicago to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Chicago to Boston with more confidence.

How much is a round-trip flight from Chicago to Boston?

Round-trip flights from Chicago to Boston start at $176. Prices are below average for this route right now, with typical round-trip fares ranging from $178 to $311. The lowest price found in the past 5 days was $176 on Frontier.

What is the cheapest Chicago to Boston flight route?

Chicago O'Hare Intl Airport (ORD) to Boston (BOS) is the cheapest Chicago to Boston route, averaging $230 round-trip. Other Chicago to Boston routes average $257, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Chicago to Boston?

Wednesday is the cheapest day of the week to fly from Chicago to Boston, it is 8% cheaper than the average day. Monday is the most expensive day with flight prices 17% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Chicago to Boston at $191 round-trip.
  • June ($250) and December ($247) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 30% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Chicago to Boston the cheapest?

Flights from Chicago to Boston are cheapest 5 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Chicago to Boston

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Delta, ORD and MDW

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and JetBlue

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.

Blane Bachelor

Blane Bachelor

Expert on Southwest and BOS

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.

Key details for Chicago to Boston flights

Low season

January

Cheapest flight

$94
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Chicago O'Hare Intl Airport to Boston

When to book flights from Chicago to Boston

Are your dates flexible? Find out the best times to travel from Chicago to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Does Logan International Airport have pet relief areas?

    If you are traveling with a pet or service animal, make sure to stop by one of the pet relief areas in Logan International Airport after your flight has landed. There is a designated area conveniently located outside of the Arrivals doors for every terminal, and complimentary waste bags are provided for pet owners.

  • What are good hotels near Logan International Airport?

    The Hilton Boston Logan Airport is a chic, 4-star hotel that is directly connected to Logan International Airport via a skybridge and is less than a 7-minute drive from the Boston Common Park. The Hyatt Regency Boston Harbor is a standard option that is only a mile from the airport and a 5-minute drive from the famous Faneuil Hall.

  • What dining options are there in Chicago Midway International Airport?

    The Go Go White Sox Bar and Grill is located in the Central Market of Chicago Midway International Airport and serves classic American meals, while the Midway Pour House is in Concourse A and is known for having a variety of craft beers. Dunkin’ Donuts and Cafe Espresso are good options for travelers with little time that would like to purchase some to-go items.

  • Does Logan International Airport have a prayer room?

    Logan International Airport has the Our Lady of the Airways Chapel that is located in Terminal C of the Arrivals level. It is open during standard business hours and is available to all travelers, no matter what their spiritual affiliation is.

  • How can I get to the Freedom Trail from Boston Logan International Airport (BOS)?

    The distance between the Freedom Trail and Boston Logan International Airport (BOS) is around 3.7 miles, and various transportation options run between the two points. Line 88 bus and the subway provide the best opportunity to travel between the two points, taking about 26min to cover the distance. However, a taxi is a quicker option, taking about 6min to get there.

  • Where are spas located at Boston Logan International Airport (BOS)?

    Travelers arriving in BOS from Chicago while weary can seek some therapy in one of the spas on this property. XpresSpa at Terminal B provides ideal services to help you relax and self-indulge. They include manicures, pedicures, facials, and deep-tissue massages.

  • Where can I withdraw money at Boston Logan International Airport (BOS)?

    If your wallet is depleted and you want to recharge it, you’ll find several ATMs at BOS run by numerous banks and credit unions. These ATMs are located throughout the airport terminals, pre-and post-security. For instance, Bank of America has its ATMs at the Arrivals Level, East End by Taxi Stand, Pre-Security.

  • What family-friendly amenities are at Boston Logan International Airport (BOS)?

    BOS caters to the needs of moms and the littlest family members through the provision of Mamava suites where lactating mothers can pump and breastfeed in privacy. You can locate one of them in Terminal E post-security in the Women's Restroom lobby.

  • Which airlines offer extra legroom and free seat selection on Chicago to Boston flights?

    Among airlines operating Chicago to Boston flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • JetBlue: offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Chicago to Boston?

    5 airlines operate flights between Chicago and Boston. The airlines offering nonstop flights on this route include:
    • American Airlines
    • United Airlines
    • Southwest
    • Delta
    • JetBlue

  • Which airports can I use when flying from Chicago to Boston?

    Flights from Chicago to Boston may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Boston Logan Intl (BOS).

  • Which airlines include bags at no extra cost on Chicago to Boston flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Chicago to Boston?

    Four cabin classes are available on flights from Chicago to Boston:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Chicago to Boston?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $203 round-trip via Fort Lauderdale (FLL), compared to $232 for nonstop.

  • What is the standard checked-bag allowance on flights from Chicago to Boston?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Chicago to Boston pass through?

    One-stop flights from Chicago to Boston most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 49% of one-stop connections
    • Fort Lauderdale (FLL) - 13% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 9% of one-stop connections
    • Baltimore/Washington (BWI) - 9% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Chicago to Boston?

    Yes. Being flexible with your travel dates can save you up to 22% on the Chicago to Boston route. Wednesday is the cheapest departure day at $214 round-trip on average, while Monday is the most expensive at $273, a difference of $59. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Chicago to Boston?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Boston route, 25% of flights were delayed in the past 3 months, with delays averaging 2 hours 31 minutes.

  • How are flight departures from Chicago to Boston spread across the day?

    Morning is the busiest departure period on Chicago to Boston flights, with 51% of flights leaving in that window. Evening departures account for 23%, night flights for 16%, and afternoon flights for 10%.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

  • How long is a flight from Chicago to Boston?

    A nonstop flight from Chicago to Boston takes 2h 34m, covering 850 miles.

  • What are the earliest and latest flights from Chicago to Boston?

    These are the earliest and latest flight times available from Chicago to Boston:

    • Earliest: departs at 5:00 am and lands at 7:34 am
    • Latest: departs at 9:45 pm and lands at 12:19 am.

    The flight takes about 2h 34m.

  • How expensive are last-minute Chicago to Boston flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of $232. Book 5 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Chicago to Boston?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Chicago to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $176 to $1,034. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Chicago to Boston looking right now?

    One-way fares from Chicago to Boston are currently lower than usual. Average one-way flight prices are about $116, which is 31% below the typical average for this route.

  • How does Delta’s on-time performance compare to other airlines on Chicago to Boston flights?

    Delta is slightly above the route average for timely arrivals, while JetBlue has a lower on-time arrival rate. On-time arrival rates on Chicago to Boston flights are:

    • Delta: 80% on time
    • JetBlue: 79% on time
    • United Airlines: 75% on time

    Overall, flights on this route are on time 75% of the time on average.

  • How do delay rates compare for morning and evening flights from Chicago to Boston?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Chicago to Boston?

    Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 4h 51m, compared with 5h 11m via Baltimore/Washington (BWI) and 5h 25m via Indianapolis (IND).

  • What is the time difference between Chicago and Boston?

    Boston is 1 hour ahead of Chicago (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    · Dollar
    · Hertz
    · Budget
    · Thrifty
    · Sixt

  • How much should I expect to pay for a Chicago to Boston flight?

    Round-trip flights from Chicago to Boston range from $178 to $311, with an average of $232 over the past 12 months. Anything below $178 counts as a good deal.

  • Which airlines offer Wi-Fi on Chicago to Boston flights?

    Three airlines offer in-flight Wi-Fi on Chicago to Boston flights:

    • • American Airlines
    • • Delta
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Chicago to Boston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $214 - about $59 less than Monday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago to Boston trip for January. Fares historically average $191 round-trip in that month - typically $59 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, Delta is the strongest pick on this route. 80% of Delta flights from Chicago to Boston arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 75%. When flights on this route do arrive late, the average delay is 2 hours 31 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $203 round-trip on this route - about $29 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.
    - Courtyard by Marriott Boston Logan Airport
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hyatt Regency Boston Harbor
  • If you’re looking at flights from Chicago to Boston, there are two different airports that you can fly out of. O'Hare International Airport is the largest airport in the region and harbors a high concentration of flights, while Chicago Midway International Airport is a smaller choice that is located only several miles from the city’s downtown.
  • Hoping to have a direct flight from Chicago to Boston? There are several major airlines that you can choose from. Southwest Airlines is popular amongst travelers with a large amount of luggage, as they allow you to check up to two bags for free, while Delta Airlines offers many upgrade options for those who would prefer more comfortable chairs or extra legroom.
  • For those that are traveling with kids, make sure to stop by one of the several children’s play areas located in Logan International Airport. These play areas are free for all travelers and feature a variety of toys, games, and activities that will help kids (and their parents) unwind after a long day of traveling.
  • To help pass the time before your flight takes off from O'Hare International Airport, see if you can access one of the airport’s private lounges. American, United, and Delta Airlines all have lounges in Chicago, and they often provide complimentary or reduced price access passes for their customers.
  • Flying can sometimes be stressful, so make sure you’re taking the time to unwind before boarding your plane. O'Hare International Airport has both a fitness club and a yoga room, both of which are perfect ways to let off some steam and relax before embarking on a day of traveling.
  • Travelers flying American Airlines from Chicago to Boston should remember that the airline’s hub is at Boston Logan International Airport (BOS). You’ll arrive through Terminal B, and the airline’s Admirals Club is located at the same terminal. Members and holders and registered cards enjoy unrestricted access to this amenity. However, Economy Class travelers can access it at a reduced cost.
  • If you’re departing to BOS via Chicago Midway International Airport (MDW), you’ll find a road system between the terminal and the secure area. Inter-terminal movement between the two buildings is through a pedestrian bridge. However, every traveler must be cleared at the security checkpoint in the terminal building on the way out to the concourse.
  • Suppose you’re flying aboard Delta Airlines from Chicago O’Hare International Airport (ORD) to Boston Logan International Airport (BOS). In that case, you’ll be glad to note that the carrier allows pets such as cats and dogs in the cabin. Nevertheless, your four-legged friends must bear certified vaccination certificates and relevant health licenses. Still, it would help if you confined them in their cages to prevent them from disturbing other passengers.
  • Chicago Midway International Airport (MDW) sits about 10.7 miles from Downtown Chicago, and several public transportation options travel between the two destinations. The most convenient commute from downtown Chicago to MDW is via the Orange Line train. The train regularly plies between the two points, covering the distance in approximately 20-25min.
  • Before your trip from Chicago to BOS, you might wish to have a private session with the Almighty. Those departing through ORD will be glad to know that this prayer suite is tucked away from the noisy terminals. The airport’s chapel lies on the Mezzanine level of Terminal 2, atop the Delta Air Lines ticket desk.

Prefer to fly direct from Chicago to Boston?

 
Find which airlines fly direct from Chicago to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Chicago to Boston Logan Intl

Monday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Tuesday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Wednesday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Thursday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Friday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Saturday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Sunday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

See more direct flights

Direct returns

Boston Logan Intl to Chicago

Monday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Tuesday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Wednesday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Thursday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Friday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Saturday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

Sunday

American Airlines,Delta,JetBlue, +2 more

American Airlines,Delta, +3 more

See more direct flights

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

Other airlines flying from Chicago to Boston