Boston (BOS) to Chicago (ORD) flight deal in economy from $149

Friday, December 18th, 2026

8 round-trip options

Returning
Wed, Dec 23, 20265 Day Trip
$378 USD
Returning
Fri, Dec 25, 20267 Day Trip
$347 USD
Returning
Sat, Dec 26, 20268 Day Trip
$479 USD
Returning
Sun, Dec 27, 20269 Day Trip
$462 USD
Returning
Tue, Dec 29, 202611 Day Trip
$421 USD
Returning
Wed, Dec 30, 202612 Day Trip
$372 USD
Returning
Thu, Dec 31, 202613 Day Trip
$357 USD
Returning
Fri, Jan 1, 202714 Day Trip
$378 USD