ORD to BOS from $149 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

O'Hare International Airport

Chicago, United States

Logan International Airport

Boston, United States

$227 USD

-34%$149 USD

Verified about 17 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$464 1$215 2$215 3$215 4$215 5$215 6$215 7$215 8$215 9$215 10$215 11$225 12$290 13$253 14$225 15$215 16$215 17$215 18$236 19$262 20$225 21$225 22$225 23$246 24$225 25$215 26$347 27$330 28$287 29$290 30$240 31$225 1$246 2$290 3$257

Rare Availability

9% of dates checked are available within 10% of the lowest price

Tuesday, December 15th, 2026

4 round-trip options

Returning

Mon, Dec 21, 2026•6 Day Trip

$236 USD

Returning

Tue, Dec 22, 2026•7 Day Trip

$294 USD

Returning

Sat, Dec 26, 2026•11 Day Trip

$305 USD

Returning

Tue, Dec 29, 2026•14 Day Trip

$215 USD