Flights from Boston to La Plata

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.

Mon, Oct 6 - Tue, Oct 14

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$137 Roundtrip, found 14 hours ago

$137

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Mon, Oct 6 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Oct 14, priced at $137 found 14 hours ago

Wed, Oct 8 - Tue, Oct 14

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$137 Roundtrip, found 14 hours ago

$137

Roundtrip

found 14 hours ago

Select Delta flight, departing Wed, Oct 8 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Oct 14, priced at $137 found 14 hours ago

Tue, Oct 7 - Sun, Oct 12

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$152 Roundtrip, found 14 hours ago

$152

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Tue, Oct 7 from Logan Intl. to Ronald Reagan Washington National, returning Sun, Oct 12, priced at $152 found 14 hours ago

Sun, Oct 12 - Tue, Oct 14

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$172 Roundtrip, found 14 hours ago

$172

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Sun, Oct 12 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Oct 14, priced at $172 found 14 hours ago

Tue, Oct 7 - Fri, Oct 10

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$174 Roundtrip, found 14 hours ago

$174

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Tue, Oct 7 from Logan Intl. to Ronald Reagan Washington National, returning Fri, Oct 10, priced at $174 found 14 hours ago

Tue, Jul 8 - Wed, Jul 9

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 8 from Logan Intl. to Ronald Reagan Washington National, returning Wed, Jul 9, priced at $177 found 1 day ago

Mon, Jun 30 - Tue, Jul 1

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jun 30 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Jul 1, priced at $179 found 1 day ago

Wed, Oct 8 - Fri, Oct 10

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$184 Roundtrip, found 14 hours ago

$184

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Wed, Oct 8 from Logan Intl. to Ronald Reagan Washington National, returning Fri, Oct 10, priced at $184 found 14 hours ago

Fri, Oct 10 - Sun, Oct 12

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$189 Roundtrip, found 14 hours ago

$189

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Fri, Oct 10 from Logan Intl. to Ronald Reagan Washington National, returning Sun, Oct 12, priced at $189 found 14 hours ago

Mon, Jun 30 - Mon, Jul 7

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$193 Roundtrip, found 1 day ago

$193

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jun 30 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Jul 7, priced at $193 found 1 day ago

Mon, Oct 13 - Thu, Oct 16

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$195 Roundtrip, found 14 hours ago

$195

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Mon, Oct 13 from Logan Intl. to Ronald Reagan Washington National, returning Thu, Oct 16, priced at $195 found 14 hours ago

Tue, Jul 8 - Fri, Jul 18

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$202 Roundtrip, found 1 day ago

$202

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 8 from Logan Intl. to Ronald Reagan Washington National, returning Fri, Jul 18, priced at $202 found 1 day ago

Mon, Oct 13 - Tue, Oct 14

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$205 Roundtrip, found 14 hours ago

$205

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Mon, Oct 13 from Logan Intl. to Ronald Reagan Washington National, returning Tue, Oct 14, priced at $205 found 14 hours ago

Mon, Jun 30 - Mon, Jun 30

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$209 Roundtrip, found 1 day ago

$209

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jun 30 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Jun 30, priced at $209 found 1 day ago

Sun, Jul 13 - Wed, Jul 16

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$212 Roundtrip, found 1 day ago

$212

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Sun, Jul 13 from Logan Intl. to Ronald Reagan Washington National, returning Wed, Jul 16, priced at $212 found 1 day ago

Fri, Oct 10 - Sat, Oct 11

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$213 Roundtrip, found 14 hours ago

$213

Roundtrip

found 14 hours ago

Select JetBlue Airways flight, departing Fri, Oct 10 from Logan Intl. to Ronald Reagan Washington National, returning Sat, Oct 11, priced at $213 found 14 hours ago

Wed, Jul 9 - Mon, Jul 14

BOS

Logan Intl.

DCA

Ronald Reagan Washington National

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Wed, Jul 9 from Logan Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $217 found 1 day ago

Tue, Jul 8 - Tue, Jul 15

BOS

Logan Intl.

IAD

Washington Dulles Intl.

$232 Roundtrip, found 1 day ago

$232

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jul 8 from Logan Intl. to Washington Dulles Intl., returning Tue, Jul 15, priced at $232 found 1 day ago

Thu, Jul 10 - Fri, Jul 18

BOS

Logan Intl.

IAD

Washington Dulles Intl.

$236 Roundtrip, found 1 day ago

$236

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Logan Intl. to Washington Dulles Intl., returning Fri, Jul 18, priced at $236 found 1 day ago

Wed, Oct 22 - Wed, Oct 29

MHT

Manchester-Boston Regional

DCA

Ronald Reagan Washington National

$249 Roundtrip, found 6 days ago

$249

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Oct 22 from Manchester-Boston Regional to Ronald Reagan Washington National, returning Wed, Oct 29, priced at $249 found 6 days ago