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.

Tue, Jul 8 - Tue, Jul 15

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$82 Roundtrip, found 20 hours ago

$82

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Tue, Jul 8 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 15, priced at $82 found 20 hours ago

Thu, Jul 3 - Tue, Jul 15

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$97 Roundtrip, found 20 hours ago

$97

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Thu, Jul 3 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 15, priced at $97 found 20 hours ago

Thu, Jul 3 - Thu, Jul 10

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$112 Roundtrip, found 20 hours ago

$112

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Thu, Jul 3 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jul 10, priced at $112 found 20 hours ago

Mon, Jul 7 - Tue, Jul 15

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$137 Roundtrip, found 20 hours ago

$137

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Mon, Jul 7 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 15, priced at $137 found 20 hours ago

Tue, Sep 16 - Tue, Sep 16

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$152 Roundtrip, found 5 days ago

$152

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Tue, Sep 16 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Sep 16, priced at $152 found 5 days ago

Mon, Jul 7 - Thu, Jul 10

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$152 Roundtrip, found 20 hours ago

$152

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Mon, Jul 7 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jul 10, priced at $152 found 20 hours ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select Delta flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $157 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $157 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$162 Roundtrip, found 4 days ago

$162

Roundtrip

found 4 days ago

Select Delta flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $162 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$167 Roundtrip, found 4 days ago

$167

Roundtrip

found 4 days ago

Select United flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $167 found 4 days ago

Tue, Jun 17 - Tue, Jul 1

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$172 Roundtrip, found 2 days ago

$172

Roundtrip

found 2 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 2 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$176 Roundtrip, found 4 days ago

$176

Roundtrip

found 4 days ago

Select Delta flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $176 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$177 Roundtrip, found 4 days ago

$177

Roundtrip

found 4 days ago

Select United flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $177 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$182 Roundtrip, found 4 days ago

$182

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $182 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$183 Roundtrip, found 4 days ago

$183

Roundtrip

found 4 days ago

Select United flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $183 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$184 Roundtrip, found 4 days ago

$184

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Thu, Oct 23 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $184 found 4 days ago

Thu, Oct 23 - Mon, Oct 27

MHT

Manchester-Boston Regional

DCA

Ronald Reagan Washington National

$189 Roundtrip, found 4 days ago

$189

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Oct 23 from Manchester-Boston Regional to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $189 found 4 days ago

Thu, Jun 5 - Sat, Jun 14

BOS

Logan Intl.

IAD

Washington Dulles Intl.

$222 Roundtrip, found 1 day ago

$222

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Logan Intl. to Washington Dulles Intl., returning Sat, Jun 14, priced at $222 found 1 day ago

Mon, Jun 9 - Mon, Jun 16

MHT

Manchester-Boston Regional

IAD

Washington Dulles Intl.

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jun 9 from Manchester-Boston Regional to Washington Dulles Intl., returning Mon, Jun 16, priced at $284 found 1 day ago

Mon, Jun 9 - Tue, Jun 10

PVD

T.F. Green

DCA

Ronald Reagan Washington National

$410 Roundtrip, found 6 days ago

$410

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Jun 9 from T.F. Green to Ronald Reagan Washington National, returning Tue, Jun 10, priced at $410 found 6 days ago