Flights from Baltimore to Round Lake

Cheapest flights from Baltimore

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.

Sat, Jul 5 - Sat, Jul 5

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$197 Roundtrip, found 2 days ago

$197

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Jul 5 from Ronald Reagan Washington National to O'Hare Intl., returning Sat, Jul 5, priced at $197 found 2 days ago

Sat, Jul 5 - Wed, Jul 9

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$223 Roundtrip, found 2 days ago

$223

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Jul 5 from Ronald Reagan Washington National to O'Hare Intl., returning Wed, Jul 9, priced at $223 found 2 days ago

Sat, May 17 - Thu, May 22

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$227 Roundtrip, found 4 days ago

$227

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, May 17 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, May 22, priced at $227 found 4 days ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$229 Roundtrip, found 2 days ago

$229

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to O'Hare Intl., returning Sun, Jul 20, priced at $229 found 2 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$229 Roundtrip, found 5 days ago

$229

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $229 found 5 days ago

Wed, Jul 2 - Thu, Jul 3

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$231 Roundtrip, found 2 days ago

$231

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Jul 2 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Jul 3, priced at $231 found 2 days ago

Mon, May 19 - Thu, May 22

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$237 Roundtrip, found 4 days ago

$237

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, May 19 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, May 22, priced at $237 found 4 days ago

Tue, Jul 15 - Wed, Jul 23

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Tue, Jul 15 from Ronald Reagan Washington National to O'Hare Intl., returning Wed, Jul 23, priced at $238 found 2 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$239 Roundtrip, found 5 days ago

$239

Roundtrip

found 5 days ago

Select United flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $239 found 5 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$240 Roundtrip, found 5 days ago

$240

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $240 found 5 days ago

Fri, May 16 - Thu, May 22

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$245 Roundtrip, found 4 days ago

$245

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, May 16 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, May 22, priced at $245 found 4 days ago

Thu, Jul 17 - Sun, Jul 20

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$247 Roundtrip, found 2 days ago

$247

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 17 from Ronald Reagan Washington National to O'Hare Intl., returning Sun, Jul 20, priced at $247 found 2 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$253 Roundtrip, found 5 days ago

$253

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $253 found 5 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$255 Roundtrip, found 5 days ago

$255

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $255 found 5 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$256 Roundtrip, found 5 days ago

$256

Roundtrip

found 5 days ago

Select United flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $256 found 5 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$257 Roundtrip, found 5 days ago

$257

Roundtrip

found 5 days ago

Select United flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $257 found 5 days ago

Sun, May 18 - Mon, May 19

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$258 Roundtrip, found 4 days ago

$258

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sun, May 18 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Mon, May 19, priced at $258 found 4 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$263 Roundtrip, found 5 days ago

$263

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $263 found 5 days ago

Thu, Jul 3 - Wed, Jul 9

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$265 Roundtrip, found 2 days ago

$265

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 3 from Ronald Reagan Washington National to O'Hare Intl., returning Wed, Jul 9, priced at $265 found 2 days ago

Wed, Jun 25 - Fri, Jun 27

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$268 Roundtrip, found 5 days ago

$268

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Fri, Jun 27, priced at $268 found 5 days ago