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 15 - Thu, Oct 16

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$167 Roundtrip, found 9 hours ago

$167

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Oct 16, priced at $167 found 9 hours ago

Sun, Oct 12 - Thu, Oct 16

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$186 Roundtrip, found 9 hours ago

$186

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Sun, Oct 12 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Oct 16, priced at $186 found 9 hours ago

Fri, Oct 10 - Fri, Oct 17

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$190 Roundtrip, found 9 hours ago

$190

Roundtrip

found 9 hours 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 9 hours ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$193 Roundtrip, found 23 hours ago

$193

Roundtrip

found 23 hours 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 23 hours ago

Tue, Aug 5 - Wed, Aug 6

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$197 Roundtrip, found 23 hours ago

$197

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 5 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, Aug 6, priced at $197 found 23 hours ago

Sun, Oct 12 - Wed, Oct 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$203 Roundtrip, found 2 days ago

$203

Roundtrip

found 2 days 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 2 days ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$203 Roundtrip, found 23 hours ago

$203

Roundtrip

found 23 hours 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 23 hours ago

Sun, Oct 12 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$205 Roundtrip, found 2 days ago

$205

Roundtrip

found 2 days 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 2 days ago

Mon, Oct 13 - Fri, Oct 17

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$209 Roundtrip, found 9 hours ago

$209

Roundtrip

found 9 hours 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 9 hours ago

Thu, Oct 9 - Thu, Oct 16

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$213 Roundtrip, found 9 hours ago

$213

Roundtrip

found 9 hours 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 9 hours ago

Wed, Oct 15 - Wed, Oct 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$215 Roundtrip, found 9 hours ago

$215

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Oct 15, priced at $215 found 9 hours ago

Wed, Jul 30 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$223 Roundtrip, found 23 hours ago

$223

Roundtrip

found 23 hours 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 23 hours ago

Sun, Oct 12 - Wed, Oct 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$225 Roundtrip, found 9 hours ago

$225

Roundtrip

found 9 hours 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 $225 found 9 hours ago

Wed, Oct 15 - Fri, Oct 17

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$226 Roundtrip, found 9 hours ago

$226

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Oct 17, priced at $226 found 9 hours ago

Tue, Aug 5 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$227 Roundtrip, found 23 hours ago

$227

Roundtrip

found 23 hours 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 23 hours ago

Thu, Oct 9 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$228 Roundtrip, found 9 hours ago

$228

Roundtrip

found 9 hours ago

Select United flight, departing Thu, Oct 9 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 18, priced at $228 found 9 hours ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$229 Roundtrip, found 23 hours ago

$229

Roundtrip

found 23 hours 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 23 hours ago

Wed, Oct 15 - Mon, Oct 20

PIA

Greater Peoria Regional

BWI

Baltimore Washington Intl. Thurgood Marshall

$319 Roundtrip, found 9 hours ago

$319

Roundtrip

found 9 hours ago

Select United flight, departing Wed, Oct 15 from Greater Peoria Regional to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Oct 20, priced at $319 found 9 hours ago

Tue, Oct 14 - Sat, Oct 18

PIA

Greater Peoria Regional

BWI

Baltimore Washington Intl. Thurgood Marshall

$319 Roundtrip, found 9 hours ago

$319

Roundtrip

found 9 hours ago

Select American Airlines flight, departing Tue, Oct 14 from Greater Peoria Regional to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 18, priced at $319 found 9 hours ago

Sat, Aug 2 - Thu, Aug 7

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$722 Roundtrip, found 23 hours ago

$722

Roundtrip

found 23 hours 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 23 hours ago