Flights from Washington to Portsmouth

Cheapest flights from Washington

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.

Sun, Sep 14 - Wed, Sep 17

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$129 Roundtrip, found 6 days ago

$129

Roundtrip

found 6 days ago

Select United flight, departing Sun, Sep 14 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Sep 17, priced at $129 found 6 days ago

Tue, Jul 8 - Tue, Jul 15

IAD

Washington Dulles Intl.

CVG

Cincinnati - Northern Kentucky Intl.

$159 Roundtrip, found 3 days ago

$159

Roundtrip

found 3 days ago

Select United flight, departing Tue, Jul 8 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $159 found 3 days ago

Tue, Jul 8 - Tue, Jul 15

DCA

Ronald Reagan Washington National

CVG

Cincinnati - Northern Kentucky Intl.

$159 Roundtrip, found 3 days ago

$159

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Jul 8 from Ronald Reagan Washington National to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $159 found 3 days ago

Tue, Jul 8 - Tue, Jul 15

DCA

Ronald Reagan Washington National

CVG

Cincinnati - Northern Kentucky Intl.

$159 Roundtrip, found 3 days ago

$159

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Jul 8 from Ronald Reagan Washington National to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $159 found 3 days ago

Sun, Sep 14 - Wed, Sep 17

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$163 Roundtrip, found 6 days ago

$163

Roundtrip

found 6 days ago

Select United flight, departing Sun, Sep 14 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Sep 17, priced at $163 found 6 days ago

Sun, Sep 14 - Wed, Sep 17

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$168 Roundtrip, found 6 days ago

$168

Roundtrip

found 6 days ago

Select United flight, departing Sun, Sep 14 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Sep 17, priced at $168 found 6 days ago

Tue, Jul 8 - Tue, Jul 15

DCA

Ronald Reagan Washington National

CVG

Cincinnati - Northern Kentucky Intl.

$169 Roundtrip, found 3 days ago

$169

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Jul 8 from Ronald Reagan Washington National to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $169 found 3 days ago

Sat, Oct 18 - Sat, Oct 25

BWI

Baltimore Washington Intl. Thurgood Marshall

CMH

John Glenn Columbus Intl.

$173 Roundtrip, found 6 days ago

$173

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Oct 18 from Baltimore Washington Intl. Thurgood Marshall to John Glenn Columbus Intl., returning Sat, Oct 25, priced at $173 found 6 days ago

Tue, Sep 16 - Thu, Sep 18

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$177 Roundtrip, found 6 days ago

$177

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Sep 16 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Sep 18, priced at $177 found 6 days ago

Sat, Jul 19 - Mon, Jul 21

DCA

Ronald Reagan Washington National

CVG

Cincinnati - Northern Kentucky Intl.

$178 Roundtrip, found 3 days ago

$178

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Jul 19 from Ronald Reagan Washington National to Cincinnati - Northern Kentucky Intl., returning Mon, Jul 21, priced at $178 found 3 days ago

Sat, Jul 5 - Tue, Jul 8

BWI

Baltimore Washington Intl. Thurgood Marshall

CMH

John Glenn Columbus Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Jul 5 from Baltimore Washington Intl. Thurgood Marshall to John Glenn Columbus Intl., returning Tue, Jul 8, priced at $179 found 1 day ago

Thu, Sep 18 - Sat, Sep 20

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select United flight, departing Thu, Sep 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Sep 20, priced at $182 found 6 days ago

Thu, Sep 18 - Sat, Sep 20

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$183 Roundtrip, found 6 days ago

$183

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Sep 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Sep 20, priced at $183 found 6 days ago

Tue, Jul 8 - Tue, Jul 15

IAD

Washington Dulles Intl.

CVG

Cincinnati - Northern Kentucky Intl.

$184 Roundtrip, found 3 days ago

$184

Roundtrip

found 3 days ago

Select United flight, departing Tue, Jul 8 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $184 found 3 days ago

Mon, Jun 30 - Wed, Jul 2

BWI

Baltimore Washington Intl. Thurgood Marshall

CMH

John Glenn Columbus Intl.

$186 Roundtrip, found 1 day ago

$186

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jun 30 from Baltimore Washington Intl. Thurgood Marshall to John Glenn Columbus Intl., returning Wed, Jul 2, priced at $186 found 1 day ago

Tue, Jul 8 - Tue, Jul 15

DCA

Ronald Reagan Washington National

CVG

Cincinnati - Northern Kentucky Intl.

$188 Roundtrip, found 3 days ago

$188

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Jul 8 from Ronald Reagan Washington National to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $188 found 3 days ago

Mon, Jun 30 - Tue, Jul 8

BWI

Baltimore Washington Intl. Thurgood Marshall

CMH

John Glenn Columbus Intl.

$189 Roundtrip, found 5 days ago

$189

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Mon, Jun 30 from Baltimore Washington Intl. Thurgood Marshall to John Glenn Columbus Intl., returning Tue, Jul 8, priced at $189 found 5 days ago

Fri, Sep 19 - Sat, Sep 20

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$190 Roundtrip, found 6 days ago

$190

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Sep 20, priced at $190 found 6 days ago

Thu, Sep 18 - Sat, Sep 20

IAD

Washington Dulles Intl.

CMH

John Glenn Columbus Intl.

$193 Roundtrip, found 6 days ago

$193

Roundtrip

found 6 days ago

Select United flight, departing Thu, Sep 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Sep 20, priced at $193 found 6 days ago

Tue, Jul 8 - Tue, Jul 15

BWI

Baltimore Washington Intl. Thurgood Marshall

CVG

Cincinnati - Northern Kentucky Intl.

$239 Roundtrip, found 3 days ago

$239

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Jul 8 from Baltimore Washington Intl. Thurgood Marshall to Cincinnati - Northern Kentucky Intl., returning Tue, Jul 15, priced at $239 found 3 days ago