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Boston (BOS) to Chicago (ORD) flights run daily with United, American, and Delta offering the most frequent service. You can snag one-way tickets for as low as $120 during off-peak times, with flight times averaging 1 hour 45 minutes. Midway (MDW) is a cheaper alternative airport but comes with baggage fee risks and weather delays.
United, American, and Delta dominate this route with 20+ daily flights each. I’ve flown all three and can tell you: Delta’s main cabin seats feel slightly roomier than United’s, but American’s baggage policy is the most flexible for checked bags.
Don’t bother with low-cost carriers here – Spirit and Allegiant don’t serve Chicago from Boston. The route is too competitive for budget airlines to profit.
I track these prices weekly. Here’s what’s realistic:
Pro tip: Use Google Flights’ price alerts. Set one for BOS to ORD, and I got a $155 alert when Delta slashed prices after a canceled flight. That’s how you beat the algorithm.
O'Hare (ORD) is the obvious choice – it’s the main hub with more flights. But Midway (MDW) is 10 miles closer to downtown Chicago, often cheaper, and has shorter security lines. Here’s the catch:
If you’re traveling with kids or have a tight schedule, stick with ORD. If you’re on a budget and flying in summer, MDW’s cheaper flights might be worth the risk. But skip it if you’re going in November or March – that’s when Chicago’s storms hit hardest.
After 15 years in travel, I’ve learned these tricks avoid the scams:
Personal caveat: I once booked a "cheap" flight with a layover and ended up stranded in Philadelphia during a snowstorm. Never again. Stick to direct flights unless you’re flying during a snowless summer month.
A: January and February. I’ve seen $115 one-way tickets in January. But prepare for cold weather and potential flight cancellations – Chicago’s winter storms are brutal.
A: Only if you’re flying in summer and don’t mind weather risks. Flights are $20-$40 cheaper than O'Hare, but baggage fees are higher and delays are common in winter. I’d only recommend it if you’re on a strict $100 budget.
A: No, most airlines allow free seat selection (like Delta’s "Preferred" seats) when booking online. United charges $10 for seat selection – skip it. American doesn’t charge at all. Always pick your seat before check-in.
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