Route brief · CHI → BRU
Chicago → Brussels
$740
round-trip · too little price history on this route to compare
Sep 21 – Oct 1 · 10 nights
Turkish Airlines1 stop
Cached fare — the booking search re-prices live before you pay.
Destination briefBRUBrusselsArt nouveau, three beer styles you cannot get elsewhere, and Bruges and Ghent under an hour by train.Best windowApr–Jun · SepAirportsZaventem (BRU) · Charleroi (CRL)All routes into BrusselsWhen this route gets cheap.
Best time to be in Brussels: Apr–Jun · Sep. Fare history for this route is still thin, so we make no seasonal call yet.
The cheapest itinerary we are tracking makes one stop and takes about 14 hours outbound, on a 10-night trip — ticketed under Turkish Airlines, which on a connecting fare need not operate every leg. At $740 for 6,661 km each way, that works out to about $56 per 1,000 km flown. That is above the $44 typical of long-haul fares here. Across the 9 departure cities we track at a similar distance from Brussels, this fare ranks 7th — 2.7× the $275 we hold from Dubai. For context, the middle fare among the 27 routes of similar length we watch out of Chicago is $592. We have 1 month of cached prices for this route so far — not enough to call a fare cheap or expensive, so we publish the price without a percentage.
The one day we hold a cached fare for
Tap a date → live search
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Route facts
- Airports
- O’Hare (ORD) · Midway (MDW) ↔ Zaventem (BRU) · Charleroi (CRL)
- Flight time
- ~14 hours outbound
- Distance
- ~6,661 km each way
- Airlines on the board
- Turkish Airlines
- Itineraries
- Connections on current fares
- Best months to visit
- Apr–Jun · Sep
CHI → BRU, answered.
How far in advance should I book CHI → Brussels?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. See /guides/what-moves-a-flight-price/ for the levers we can measure.
Are there nonstop flights from Chicago to Brussels?
The current cheapest fares involve a connection, ticketed under Turkish Airlines. Nonstop options exist on many dates at higher prices — check the live search for your exact dates.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Brussels?
Lock the flight first — then compare stays for Sep 21 – Oct 1 · 10 nights.
Browse hotels ↗
Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next CHI → BRU drop reaches you as soon as we find it.
Follow CHI → BRU