Route guide · 865 miles
Cheap Flights from Chicago to Boston
ORD → BOS · Nonstop 2h 15m · Live round-trip fares
The run from Chicago (ORD) to Boston (BOS) is 865 miles of sky, and ticket prices on it are anything but steady. One week can cost double the next. Booking about 3–6 weeks in advance — and watching fares with a free Airfare Deal alert — is how regulars on this route keep costs down.
Live fares for ORD → BOS are updating. Use the search below for real-time prices.
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Updated daily
Flight time
2h 15m
Nonstop, typical
Distance
865 mi
ORD → BOS
Cheapest month
November 2026
Fares from $88
Nonstop airlines
3
American Airlines, JetBlue & more
Nonstop flights from Chicago to Boston
The fastest way between the two cities is the nonstop: about 2h 15m for the 865-mile run from ORD to BOS. Those flights are flown by American Airlines, JetBlue, Spirit Airlines. Prices behave best when you book 3–6 weeks out.
Booking insights: Chicago → Boston
- Distance: 865 miles · nonstop flight time: 2h 15m.
- Cheapest upcoming week in the live data starts around Oct 29, with fares from $88.
- Of the months we're tracking right now, November 2026 has the lowest fares, starting at $88.
- Fares tend to bottom out when you book about 3–6 weeks ahead — earlier than that rarely helps, later usually hurts.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Departing around Oct 29 is currently the cheapest window — about $78 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · Chicago → Boston
November 2026
Every date's recent round-trip fare, at a glance.
Fares from
$88
Cheapest: Wed, Nov 4 — $88 · Priciest: Nov 15 — $166
Get this fare →Recent fares found for specific dates in November 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Chicago to Boston: what you need to know
The flight
The nonstop from ORD to BOS runs about 2h 15m over 865 miles. It's a comfortable mid-range flight: long enough that seat choice matters a little, short enough that paying up for extras rarely does.
Airlines on this route
American Airlines, JetBlue and Spirit Airlines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Chicago (ORD)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Chicago airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Boston (BOS)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Boston airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Boston to Chicago fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, November 2026 is coming in cheapest for this route, with fares from $88. As a rule, booking 3–6 weeks ahead lands you in the sweet spot — leave it to the final two weeks and prices usually climb. If you see a fare that works, don't wait around: set a fare alert on this page and we'll watch the price for you.
Good to know before you go
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 2h 15m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
Chicago to Boston flight FAQs
How long is the flight from ORD to BOS?
Plan on about 2h 15m in the air for a nonstop from Chicago to Boston — the route runs roughly 865 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Chicago to Boston?
American Airlines, JetBlue, Spirit Airlines typically operate nonstop flights from ORD to BOS. Nonstops are usually cheapest when booked 3–6 weeks ahead of departure.
What is the cheapest month to fly from Chicago to Boston?
Right now, November 2026 is shaping up cheapest for Chicago to Boston — we've seen fares from $88 in that month. Prices move fast, so lock in when you see a number you like.
How much are last minute flights from ORD to BOS?
Last-minute flights from ORD to BOS (booked within 7 days of departure) typically cost noticeably more than fares booked 3–6 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Chicago to Boston?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Chicago to Boston?
You'll mainly see American Airlines, JetBlue, Spirit Airlines on Chicago to Boston. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Chicago airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from Chicago
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