Flights from Ottawa to Baltimore

Cheapest flights from Ottawa

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.

Wed, Oct 8 - Thu, Oct 16

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$167 Roundtrip, found 1 day ago

$167

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Oct 8 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Oct 16, priced at $167 found 1 day ago

Fri, Oct 10 - Fri, Oct 17

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Oct 10 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Oct 17, priced at $190 found 1 day ago

Fri, Jul 4 - Fri, Jul 4

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$191 Roundtrip, found 6 days ago

$191

Roundtrip

found 6 days ago

Select Delta flight, departing Fri, Jul 4 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Jul 4, priced at $191 found 6 days ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$193 Roundtrip, found 1 hour ago

$193

Roundtrip

found 1 hour ago

Select United flight, departing Sat, Aug 2 from O'Hare Intl. to Ronald Reagan Washington National, returning Thu, Aug 7, priced at $193 found 1 hour ago

Mon, Jul 7 - Tue, Jul 8

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$196 Roundtrip, found 6 days ago

$196

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jul 7 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 8, priced at $196 found 6 days ago

Sat, Oct 11 - Wed, Oct 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Oct 11 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Oct 15, priced at $199 found 1 day ago

Sat, Oct 11 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$201 Roundtrip, found 1 day ago

$201

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Oct 11 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 18, priced at $201 found 1 day ago

Sun, Oct 12 - Wed, Oct 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$203 Roundtrip, found 1 day ago

$203

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Oct 12 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Oct 15, priced at $203 found 1 day ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$203 Roundtrip, found 1 hour ago

$203

Roundtrip

found 1 hour ago

Select Delta flight, departing Sat, Aug 2 from O'Hare Intl. to Ronald Reagan Washington National, returning Thu, Aug 7, priced at $203 found 1 hour ago

Sun, Oct 12 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$205 Roundtrip, found 1 day ago

$205

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Oct 12 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 18, priced at $205 found 1 day ago

Thu, Jul 3 - Tue, Jul 8

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$207 Roundtrip, found 6 days ago

$207

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 3 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 8, priced at $207 found 6 days ago

Mon, Oct 13 - Fri, Oct 17

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$209 Roundtrip, found 1 day ago

$209

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 13 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Oct 17, priced at $209 found 1 day ago

Tue, Jul 1 - Sun, Jul 6

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$211 Roundtrip, found 6 days ago

$211

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Jul 1 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jul 6, priced at $211 found 6 days ago

Thu, Oct 9 - Thu, Oct 16

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$213 Roundtrip, found 1 day ago

$213

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Oct 9 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Oct 16, priced at $213 found 1 day ago

Wed, Jul 30 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$223 Roundtrip, found 1 hour ago

$223

Roundtrip

found 1 hour ago

Select Delta flight, departing Wed, Jul 30 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Aug 5, priced at $223 found 1 hour ago

Tue, Aug 5 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$227 Roundtrip, found 1 hour ago

$227

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Aug 5 from O'Hare Intl. to Ronald Reagan Washington National, returning Thu, Aug 7, priced at $227 found 1 hour ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$229 Roundtrip, found 1 hour ago

$229

Roundtrip

found 1 hour ago

Select Delta flight, departing Sat, Aug 2 from O'Hare Intl. to Ronald Reagan Washington National, returning Thu, Aug 7, priced at $229 found 1 hour ago

Wed, Oct 15 - Tue, Oct 21

PIA

Greater Peoria Regional

BWI

Baltimore Washington Intl. Thurgood Marshall

$319 Roundtrip, found 1 day ago

$319

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 15 from Greater Peoria Regional to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Oct 21, priced at $319 found 1 day ago

Tue, Oct 14 - Tue, Oct 21

PIA

Greater Peoria Regional

BWI

Baltimore Washington Intl. Thurgood Marshall

$319 Roundtrip, found 1 day ago

$319

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Oct 14 from Greater Peoria Regional to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Oct 21, priced at $319 found 1 day ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$722 Roundtrip, found 1 hour ago

$722

Roundtrip

found 1 hour ago

Select JetBlue Airways flight, departing Sat, Aug 2 from O'Hare Intl. to Ronald Reagan Washington National, returning Thu, Aug 7, priced at $722 found 1 hour ago