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

Tuesday, August 11th, 2026

7 round-trip options

Returning
Sun, Aug 16, 20265 Day Trip
$162 USD
Returning
Mon, Aug 17, 20266 Day Trip
$157 USD
Returning
Tue, Aug 18, 20267 Day Trip
$149 USD
Returning
Thu, Aug 20, 20269 Day Trip
$157 USD
Returning
Fri, Aug 21, 202610 Day Trip
$157 USD
Returning
Sat, Aug 22, 202611 Day Trip
$149 USD
Returning
Mon, Aug 24, 202613 Day Trip
$157 USD