Flights from Billings to Chicago

Cheapest flights from Billings

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$239 Roundtrip, found 21 hours ago

$239

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $239 found 21 hours ago

Tue, Aug 26 - Tue, Sep 2

BIL

Logan Intl.

ORD

O'Hare Intl.

$249 Roundtrip, found 21 hours ago

$249

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Aug 26 from Logan Intl. to O'Hare Intl., returning Tue, Sep 2, priced at $249 found 21 hours ago

Wed, Aug 27 - Tue, Sep 2

BIL

Logan Intl.

ORD

O'Hare Intl.

$264 Roundtrip, found 21 hours ago

$264

Roundtrip

found 21 hours ago

Select Delta flight, departing Wed, Aug 27 from Logan Intl. to O'Hare Intl., returning Tue, Sep 2, priced at $264 found 21 hours ago

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$274 Roundtrip, found 21 hours ago

$274

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $274 found 21 hours ago

Fri, Aug 29 - Tue, Sep 2

BIL

Logan Intl.

ORD

O'Hare Intl.

$287 Roundtrip, found 21 hours ago

$287

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Tue, Sep 2, priced at $287 found 21 hours ago

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$298 Roundtrip, found 21 hours ago

$298

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $298 found 21 hours ago

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$300 Roundtrip, found 21 hours ago

$300

Roundtrip

found 21 hours ago

Select American Airlines flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $300 found 21 hours ago

Mon, Aug 25 - Tue, Sep 2

BIL

Logan Intl.

ORD

O'Hare Intl.

$309 Roundtrip, found 21 hours ago

$309

Roundtrip

found 21 hours ago

Select Delta flight, departing Mon, Aug 25 from Logan Intl. to O'Hare Intl., returning Tue, Sep 2, priced at $309 found 21 hours ago

Sat, Aug 30 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$319 Roundtrip, found 21 hours ago

$319

Roundtrip

found 21 hours ago

Select United flight, departing Sat, Aug 30 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $319 found 21 hours ago

Fri, Aug 29 - Tue, Sep 2

BIL

Logan Intl.

ORD

O'Hare Intl.

$324 Roundtrip, found 21 hours ago

$324

Roundtrip

found 21 hours ago

Select American Airlines flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Tue, Sep 2, priced at $324 found 21 hours ago

Fri, Aug 29 - Sat, Aug 30

BIL

Logan Intl.

ORD

O'Hare Intl.

$329 Roundtrip, found 21 hours ago

$329

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Sat, Aug 30, priced at $329 found 21 hours ago

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$332 Roundtrip, found 21 hours ago

$332

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $332 found 21 hours ago

Thu, Aug 28 - Sun, Aug 31

BIL

Logan Intl.

ORD

O'Hare Intl.

$339 Roundtrip, found 21 hours ago

$339

Roundtrip

found 21 hours ago

Select United flight, departing Thu, Aug 28 from Logan Intl. to O'Hare Intl., returning Sun, Aug 31, priced at $339 found 21 hours ago

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$344 Roundtrip, found 21 hours ago

$344

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $344 found 21 hours ago

Sat, Aug 30 - Sat, Aug 30

BIL

Logan Intl.

ORD

O'Hare Intl.

$349 Roundtrip, found 21 hours ago

$349

Roundtrip

found 21 hours ago

Select Delta flight, departing Sat, Aug 30 from Logan Intl. to O'Hare Intl., returning Sat, Aug 30, priced at $349 found 21 hours ago

Fri, Aug 29 - Mon, Sep 1

BIL

Logan Intl.

ORD

O'Hare Intl.

$354 Roundtrip, found 21 hours ago

$354

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 29 from Logan Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $354 found 21 hours ago

Thu, Aug 28 - Sun, Aug 31

BIL

Logan Intl.

ORD

O'Hare Intl.

$360 Roundtrip, found 21 hours ago

$360

Roundtrip

found 21 hours ago

Select American Airlines flight, departing Thu, Aug 28 from Logan Intl. to O'Hare Intl., returning Sun, Aug 31, priced at $360 found 21 hours ago

Mon, Aug 25 - Thu, Aug 28

BIL

Logan Intl.

ORD

O'Hare Intl.

$397 Roundtrip, found 21 hours ago

$397

Roundtrip

found 21 hours ago

Select Hawaiian Airlines flight, departing Mon, Aug 25 from Logan Intl. to O'Hare Intl., returning Thu, Aug 28, priced at $397 found 21 hours ago

Fri, Aug 29 - Fri, Aug 29

BIL

Logan Intl.

MDW

Midway Intl.

$430 Roundtrip, found 21 hours ago

$430

Roundtrip

found 21 hours ago

Select Delta flight, departing Fri, Aug 29 from Logan Intl. to Midway Intl., returning Fri, Aug 29, priced at $430 found 21 hours ago

Thu, Aug 28 - Sun, Aug 31

BIL

Logan Intl.

ORD

O'Hare Intl.

$450 Roundtrip, found 21 hours ago

$450

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Thu, Aug 28 from Logan Intl. to O'Hare Intl., returning Sun, Aug 31, priced at $450 found 21 hours ago