Flights from Boston to Fairfax

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, May 27 - Tue, Jun 3

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$97 Roundtrip, found 4 days ago

$97

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, May 27 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jun 3, priced at $97 found 4 days ago

Fri, May 30 - Sun, Jun 1

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$102 Roundtrip, found 4 days ago

$102

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, May 30 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jun 1, priced at $102 found 4 days ago

Tue, May 27 - Fri, Jun 6

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$112 Roundtrip, found 4 days ago

$112

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, May 27 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Jun 6, priced at $112 found 4 days ago

Fri, May 30 - Sun, Jun 1

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$122 Roundtrip, found 4 days ago

$122

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, May 30 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jun 1, priced at $122 found 4 days ago

Sat, Aug 16 - Sun, Aug 31

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$127 Roundtrip, found 6 days ago

$127

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Aug 16 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 31, priced at $127 found 6 days ago

Tue, Jun 10 - Tue, Jun 10

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$132 Roundtrip, found 1 day ago

$132

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Tue, Jun 10 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Jun 10, priced at $132 found 1 day ago

Tue, Jun 10 - Tue, Jun 24

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jun 10 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Jun 24, priced at $137 found 1 day ago

Fri, May 30 - Sun, Jun 1

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$142 Roundtrip, found 4 days ago

$142

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, May 30 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jun 1, priced at $142 found 4 days ago

Fri, May 30 - Sun, Jun 1

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$146 Roundtrip, found 4 days ago

$146

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, May 30 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jun 1, priced at $146 found 4 days ago

Sat, Jun 14 - Fri, Jul 4

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$149 Roundtrip, found 2 days ago

$149

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Sat, Jun 14 from Logan Intl. to Ronald Reagan Washington National, returning Fri, Jul 4, priced at $149 found 2 days ago

Fri, Oct 17 - Mon, Oct 20

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$150 Roundtrip, found 4 days ago

$150

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Oct 17 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Oct 20, priced at $150 found 4 days ago

Fri, May 30 - Sun, Jun 1

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$152 Roundtrip, found 4 days ago

$152

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, May 30 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jun 1, priced at $152 found 4 days ago

Thu, Jul 24 - Sun, Jul 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$152 Roundtrip, found 3 days ago

$152

Roundtrip

found 3 days ago

Select American Airlines flight, departing Thu, Jul 24 from Logan Intl. to Ronald Reagan Washington National, returning Sun, Jul 27, priced at $152 found 3 days ago

Thu, Jun 26 - Thu, Jun 26

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$157 Roundtrip, found 3 days ago

$157

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Thu, Jun 26 from Logan Intl. to Ronald Reagan Washington National, returning Thu, Jun 26, priced at $157 found 3 days ago

Mon, Aug 18 - Tue, Aug 26

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select Delta flight, departing Mon, Aug 18 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Aug 26, priced at $157 found 6 days ago

Wed, May 21 - Tue, Jun 10

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$158 Roundtrip, found 2 days ago

$158

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, May 21 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Jun 10, priced at $158 found 2 days ago

Fri, Aug 15 - Thu, Aug 28

BOS

Logan Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$170 Roundtrip, found 6 days ago

$170

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Logan Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Aug 28, priced at $170 found 6 days ago

Thu, Jul 24 - Sun, Jul 27

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$172 Roundtrip, found 3 days ago

$172

Roundtrip

found 3 days ago

Select United flight, departing Thu, Jul 24 from Logan Intl. to Ronald Reagan Washington National, returning Sun, Jul 27, priced at $172 found 3 days ago

Mon, Jun 2 - Thu, Jun 5

PVD

T.F. Green

DCA

Ronald Reagan Washington National

$204 Roundtrip, found 6 days ago

$204

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Jun 2 from T.F. Green to Ronald Reagan Washington National, returning Thu, Jun 5, priced at $204 found 6 days ago

Fri, May 30 - Sun, Jun 1

BOS

Logan Intl.

IAD

Washington Dulles Intl.

$220 Roundtrip, found 4 days ago

$220

Roundtrip

found 4 days ago

Select United flight, departing Fri, May 30 from Logan Intl. to Washington Dulles Intl., returning Sun, Jun 1, priced at $220 found 4 days ago