This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BOS
5 Dec — 12 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to Boston Logan Intl are usually found in January or February, booked 68 days in advance, depart on a Friday or Wednesday and return on a Wednesday
Cheap flight deals from Chicago to Boston
Enter your travel dates to find the best prices.
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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 5 November 2026.
Thu 19/1111:00 -
Nonstop2h 24m
Mon 23/1107:55 -
Nonstop3h 04m
Deal found 4/11£183
Thu 17/1207:50 -
Nonstop2h 20m
Thu 17/1212:45 -
Nonstop2h 45m
Deal found 5/11£183
Thu 19/1111:00 -
Nonstop2h 24m
Sun 22/1107:55 -
Nonstop3h 04m
Deal found 4/11£184
Fri 13/1115:16 -
1 stop16h 03m
Tue 17/1112:15 -
1 stop6h 32m
Deal found 2/11£202
Fri 20/1117:30 -
Nonstop2h 29m
Sun 22/1114:40 -
Nonstop3h 00m
Deal found 5/11£204
Fri 18/1219:55 -
Nonstop2h 26m
Sun 20/1216:45 -
Nonstop3h 13m
Deal found 4/11£209
Thu 19/1110:35 -
Nonstop2h 24m
Sun 22/1120:40 -
Nonstop2h 56m
Deal found 2/11£213
Wed 23/1216:05 -
Nonstop2h 15m
Mon 28/1222:25 -
Nonstop3h 00m
Deal found 3/11£213
Thu 19/1107:35 -
1 stop5h 10m
Tue 1/1212:50 -
Nonstop2h 50m
Deal found 5/11£215
Thu 17/1215:35 -
Nonstop2h 15m
Mon 18/106:55 -
Nonstop2h 50m
Deal found 5/11£216
Fri 13/1107:55 -
1 stop24h 34m
Tue 17/1112:15 -
1 stop7h 15m
Deal found 2/11£217
Fri 20/1107:00 -
Nonstop2h 19m
Sun 22/1118:05 -
1 stop5h 13m
Deal found 4/11£220
Best flights from Chicago to Boston
Discover carefully curated flight deals from Chicago to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.
Thu 19/1115:05 -
Nonstop2h 24m
Sun 22/1107:30 -
Nonstop3h 05m
Deal found 31/10£213
Thu 24/1219:35 -
Nonstop2h 20m
Mon 28/1222:25 -
Nonstop3h 00m
Deal found 1/11£213
Tue 22/1206:00 -
1 stop5h 10m
Mon 28/1205:45 -
Nonstop3h 06m
Deal found 1/11£238
Tue 24/1117:30 -
Nonstop2h 29m
Fri 27/1107:55 -
Nonstop3h 04m
Deal found 4/11£240
Thu 17/1215:35 -
Nonstop2h 15m
Mon 18/106:55 -
Nonstop2h 50m
Deal found 5/11£216
Sat 19/1207:05 -
Nonstop2h 28m
Sun 3/105:30 -
1 stop7h 23m
Deal found 31/10£228
Wed 30/1207:45 -
Nonstop2h 15m
Thu 31/1213:20 -
2 stops7h 25m
Deal found 2/11£224
Mon 23/1115:05 -
Nonstop2h 24m
Wed 30/1205:30 -
1 stop5h 19m
Deal found 2/11£228
Wed 23/1221:05 -
1 stop10h 15m
Wed 30/1222:25 -
Nonstop3h 00m
Deal found 1/11£225
Sat 21/1107:05 -
Nonstop2h 27m
Wed 2/1215:05 -
1 stop7h 30m
Deal found 31/10£230
Fri 18/1216:05 -
Nonstop2h 15m
Fri 25/1213:10 -
1 stop9h 25m
Deal found 3/11£225
Sat 21/1107:05 -
Nonstop2h 27m
Tue 1/1212:00 -
1 stop7h 23m
Deal found 4/11£234
Sun 20/1207:45 -
Nonstop2h 15m
Sun 27/1222:25 -
Nonstop3h 00m
Deal found 5/11£228
Mon 7/1210:38 -
Nonstop2h 37m
Tue 8/1211:00 -
1 stop7h 04m
Deal found 2/11£240
Sat 19/1220:55 -
1 stop10h 10m
Fri 1/117:05 -
1 stop5h 30m
Deal found 1/11£232
Tue 17/1107:05 -
Nonstop2h 27m
Sat 5/1213:35 -
Nonstop3h 02m
Deal found 31/10£240
Mon 23/1113:00 -
Nonstop2h 10m
Tue 1/1213:20 -
2 stops7h 25m
Deal found 5/11£238
Fri 18/1208:50 -
1 stop5h 25m
Sun 3/105:30 -
1 stop5h 19m
Deal found 31/10£243
Thu 17/1218:45 -
Nonstop2h 20m
Thu 24/1217:30 -
1 stop5h 00m
Deal found 2/11£238
Sun 20/1213:26 -
1 stop6h 25m
Sat 26/1205:30 -
1 stop5h 19m
Deal found 1/11£243
Wed 25/1116:05 -
Nonstop2h 15m
Wed 2/1215:30 -
1 stop7h 00m
Deal found 1/11£240
Wed 16/1218:16 -
1 stop5h 54m
Wed 23/1205:30 -
1 stop5h 19m
Deal found 1/11£245
Direct flights from Chicago to Boston
Explore direct flight options from Chicago to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 November 2026.
Thu 19/1111:00 -
Nonstop2h 24m
Sun 22/1107:55 -
Nonstop3h 04m
Deal found 4/11£183
Thu 17/1207:50 -
Nonstop2h 20m
Thu 17/1212:45 -
Nonstop2h 45m
Deal found 5/11£183
Fri 20/1117:30 -
Nonstop2h 29m
Sun 22/1114:40 -
Nonstop3h 00m
Deal found 5/11£204
Fri 18/1219:55 -
Nonstop2h 26m
Sun 20/1216:45 -
Nonstop3h 13m
Deal found 4/11£209
Thu 19/1110:35 -
Nonstop2h 24m
Sun 22/1120:40 -
Nonstop2h 56m
Deal found 2/11£213
Wed 23/1216:05 -
Nonstop2h 15m
Mon 28/1222:25 -
Nonstop3h 00m
Deal found 3/11£213
Thu 17/1215:35 -
Nonstop2h 15m
Mon 18/106:55 -
Nonstop2h 50m
Deal found 5/11£216
Sat 19/1218:55 -
Nonstop2h 20m
Tue 22/1222:25 -
Nonstop3h 00m
Deal found 4/11£220
Mon 23/1118:00 -
Nonstop2h 30m
Tue 1/1213:35 -
Nonstop3h 01m
Deal found 3/11£223
Wed 16/1213:15 -
Nonstop2h 05m
Wed 23/1222:25 -
Nonstop3h 00m
Deal found 1/11£223
Fri 20/1107:05 -
Nonstop2h 27m
Fri 27/1107:30 -
Nonstop3h 08m
Deal found 4/11£226
Mon 23/1107:50 -
Nonstop2h 20m
Tue 1/1207:10 -
Nonstop2h 45m
Deal found 4/11£226
Last-minute flights from Chicago to Boston
Discover last-minute flight deals from Chicago to Boston. Data last updated 5 November 2026 and is based on user searches.
Fri 13/1115:16 -
1 stop16h 03m
Tue 17/1112:15 -
1 stop6h 32m
Deal found 2/11£202
Fri 13/1107:55 -
1 stop24h 34m
Tue 17/1112:15 -
1 stop7h 15m
Deal found 2/11£217
Thu 19/1111:00 -
Nonstop2h 24m
Mon 23/1107:55 -
Nonstop3h 04m
Deal found 4/11£183
Thu 19/1111:00 -
Nonstop2h 24m
Sun 22/1107:55 -
Nonstop3h 04m
Deal found 4/11£184
Thu 19/1110:35 -
Nonstop2h 24m
Sun 22/1120:40 -
Nonstop2h 56m
Deal found 2/11£213
Thu 19/1107:35 -
1 stop5h 10m
Tue 1/1212:50 -
Nonstop2h 50m
Deal found 5/11£215
Fri 20/1117:30 -
Nonstop2h 29m
Sun 22/1114:40 -
Nonstop3h 00m
Deal found 5/11£204
Fri 20/1107:00 -
Nonstop2h 19m
Sun 22/1118:05 -
1 stop5h 13m
Deal found 4/11£220
Thu 17/1207:50 -
Nonstop2h 20m
Thu 17/1212:45 -
Nonstop2h 45m
Deal found 5/11£183
Thu 17/1215:35 -
Nonstop2h 15m
Mon 18/106:55 -
Nonstop2h 50m
Deal found 5/11£216
Fri 18/1219:55 -
Nonstop2h 26m
Sun 20/1216:45 -
Nonstop3h 13m
Deal found 4/11£209
Wed 23/1216:05 -
Nonstop2h 15m
Mon 4/112:45 -
Nonstop2h 45m
Deal found 3/11£213
One-way flights from Chicago to Boston
Search for one-way flight options from Chicago to Boston. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.
Mon 21/1219:55 -
Nonstop2h 26m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£92
Tue 22/1219:00 -
Nonstop2h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£92
Thu 19/1111:30 -
1 stop4h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£99
Sun 22/1107:50 -
2 stops5h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£103
Fri 13/1115:16 -
1 stop16h 03m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11£105
Sun 22/1106:15 -
Nonstop2h 19m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£107
Fri 18/1219:00 -
Nonstop2h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£107
Fri 20/1110:35 -
Nonstop2h 24m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£111
Fri 18/1218:10 -
1 stop4h 49m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£114
Fri 13/1107:55 -
1 stop24h 34m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/11£115
Tue 1/1219:45 -
Nonstop2h 32m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£117
Thu 26/1113:50 -
Nonstop2h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£117
Find 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 5 November 2026.
Customise 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 7,457,451 searches. Data last updated 5 November 2026.
Use the filters below to find and compare flights from Chicago to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Mon 21/12
19:55-23:21
Nonstop2h 26m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£92
ChicagoBoston
MDW Chicago Midway - BOS Boston Logan Intl
MDWBOS
Chicago Midway
Sun 22/11
07:50-14:30
2 stops5h 40m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£103
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Sat 2/1
07:05-10:33
Nonstop2h 28m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£107
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Fri 20/11
19:45-23:08
Nonstop2h 23m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£107
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Sat 21/11
16:40-20:03
Nonstop2h 23m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£107
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Wed 23/12
06:00-13:26
1 stop6h 26m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£114
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Fri 18/12
18:10-23:59
1 stop4h 49m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£114
ChicagoBoston
MDW Chicago Midway - BOS Boston Logan Intl
MDWBOS
Chicago Midway
Mon 4/1
18:10-23:55
1 stop4h 45m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£114
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Sun 22/11
08:50-14:32
1 stop4h 42m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£114
Fastest return journey
ChicagoBoston
MDW Chicago Midway - BOS Boston Logan Intl
MDWBOS
Chicago Midway
Fri 19/2
07:40-10:55
Nonstop2h 15m
Boston Logan Intl
Wed 31/12
00:00-23:00
Nonstop0h 00m
£117
Flights are sorted by cheapest return flights first.
Deals found on 4/11
Showing 1-10 of 43 resultsSorted by cheapest first
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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.
CHI-BOS
ORD-BOS
MDW-BOS
Estimated return 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
CHI-BOS
ORD-BOS
MDW-BOS
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 £149). Flying from Chicago to Boston in October is currently the most expensive (average of £245). 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 5 November 2026.
When flying from Chicago to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 80% versus a flight at midday.
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 5 November 2026.
The most flights from CHI to BOS are scheduled on a Wednesday (62 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost for a return flight from Chicago to Boston?
Airfare is typical for this route at the moment.
Chicago to Boston flights typically cost between £172 and £289 in November.The cheapest return price found within the last 5 days was £183 on JetBlue (19 Nov–23 Nov).
How often are flights from Chicago to Boston delayed?
About 26% of weekly flights between Chicago and Boston have experienced delays in the past year, with the average delay time being 155 minutes.
What is the most punctual flight time for Chicago to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Boston flights?
Over the past year, Delta have had the lowest number of delays on this route, with just 22% of flights being delayed.
How far ahead should I book a flight from Chicago to Boston?
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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?
Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Chicago. On average, Logan Intl has 35 inbound flights from Chicago per day from 0 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.
How long is the flight from Chicago to Boston?
Departing from Chicago to Boston will take you 2h 20m. Chicago and Boston are separated by a distance of 857 mi. Generally, flights for this route are direct.
What are the most reliable airlines from Chicago to Boston?
No one likes to see their flight delayed. When booking a flight from Chicago to Boston consider choosing Avianca (91%), ITA Airways (90%) or Envoy Air (86%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Chicago to Boston?
The cheapest flight price from Chicago to Boston is £299. On average you can expect to pay £324. The most popular route, (Chicago O'Hare Intl - Boston Logan Intl), can usually be booked for £220.
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 £149). Flying from Chicago to Boston in October is currently the most expensive (average of £245). 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.
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 November 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Chicago to Boston?
Deals for Chicago to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Chicago to Boston?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Boston.
Can Cheapflights find flights from Chicago to Boston with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Chicago to Boston, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Chicago to Boston become cheaper?
Yes! Start tracking prices for Chicago to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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