Flights from Boston to Washington

Cheapest flights from Boston

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.

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$164 Roundtrip, found 13 hours ago

$164

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $164 found 13 hours ago

Fri, Mar 20 - Mon, Mar 23

BOS

Logan Intl.

IAD

Washington Dulles Intl.

$167 Roundtrip, found 1 day ago

$167

Roundtrip

found 1 day ago

Select United flight, departing Fri, Mar 20 from Logan Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $167 found 1 day ago

Tue, Sep 16 - Mon, Sep 22

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$167 Roundtrip, found 13 hours ago

$167

Roundtrip

found 13 hours ago

Select Delta flight, departing Tue, Sep 16 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Sep 22, priced at $167 found 13 hours ago

Mon, Sep 15 - Fri, Sep 26

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$167 Roundtrip, found 13 hours ago

$167

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Mon, Sep 15 from Logan Intl. to Ronald Reagan Washington National, returning Fri, Sep 26, priced at $167 found 13 hours ago

Tue, Sep 16 - Tue, Sep 16

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$172 Roundtrip, found 13 hours ago

$172

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Tue, Sep 16 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Sep 16, priced at $172 found 13 hours ago

Tue, Jun 17 - Tue, Jul 1

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$172 Roundtrip, found 6 days ago

$172

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Jun 17 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Jul 1, priced at $172 found 6 days ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$173 Roundtrip, found 13 hours ago

$173

Roundtrip

found 13 hours ago

Select Delta flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $173 found 13 hours ago

Tue, Sep 16 - Wed, Sep 17

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$177 Roundtrip, found 13 hours ago

$177

Roundtrip

found 13 hours ago

Select Delta flight, departing Tue, Sep 16 from Logan Intl. to Ronald Reagan Washington National, returning Wed, Sep 17, priced at $177 found 13 hours ago

Sat, Jun 14 - Tue, Jun 24

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$187 Roundtrip, found 6 days ago

$187

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sat, Jun 14 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Jun 24, priced at $187 found 6 days ago

Sat, Jul 26 - Sun, Aug 10

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$189 Roundtrip, found 6 days ago

$189

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sat, Jul 26 from Logan Intl. to Ronald Reagan Washington National, returning Sun, Aug 10, priced at $189 found 6 days ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$190 Roundtrip, found 13 hours ago

$190

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $190 found 13 hours ago

Sun, Sep 21 - Tue, Sep 23

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$192 Roundtrip, found 13 hours ago

$192

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Sun, Sep 21 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Sep 23, priced at $192 found 13 hours ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$195 Roundtrip, found 13 hours ago

$195

Roundtrip

found 13 hours ago

Select Delta flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $195 found 13 hours ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$197 Roundtrip, found 13 hours ago

$197

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $197 found 13 hours ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$200 Roundtrip, found 13 hours ago

$200

Roundtrip

found 13 hours ago

Select United flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $200 found 13 hours ago

Fri, Sep 19 - Sun, Sep 21

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$201 Roundtrip, found 13 hours ago

$201

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Fri, Sep 19 from Logan Intl. to Ronald Reagan Washington National, returning Sun, Sep 21, priced at $201 found 13 hours ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$203 Roundtrip, found 13 hours ago

$203

Roundtrip

found 13 hours ago

Select Delta flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $203 found 13 hours ago

Thu, Sep 18 - Sat, Sep 20

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$204 Roundtrip, found 13 hours ago

$204

Roundtrip

found 13 hours ago

Select Delta flight, departing Thu, Sep 18 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Sep 20, priced at $204 found 13 hours ago

Mon, Jun 16 - Sat, Jun 21

BOS

Logan Intl.

IAD

Washington Dulles Intl.

$226 Roundtrip, found 2 days ago

$226

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Logan Intl. to Washington Dulles Intl., returning Sat, Jun 21, priced at $226 found 2 days ago

Mon, Jun 9 - Mon, Jun 16

MHT

Manchester-Boston Regional

IAD

Washington Dulles Intl.

$284 Roundtrip, found 5 days ago

$284

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 9 from Manchester-Boston Regional to Washington Dulles Intl., returning Mon, Jun 16, priced at $284 found 5 days ago