Flights from Washington to Old Greenwich

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, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$147 Roundtrip, found 13 hours ago

$147

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $147 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$187 Roundtrip, found 13 hours ago

$187

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $187 found 13 hours ago

Tue, Jul 22 - Tue, Jul 29

IAD

Washington Dulles Intl.

LGA

LaGuardia

$198 Roundtrip, found 13 hours ago

$198

Roundtrip

found 13 hours ago

Select United flight, departing Tue, Jul 22 from Washington Dulles Intl. to LaGuardia, returning Tue, Jul 29, priced at $198 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$202 Roundtrip, found 13 hours ago

$202

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $202 found 13 hours ago

Tue, Jul 22 - Wed, Jul 23

IAD

Washington Dulles Intl.

LGA

LaGuardia

$207 Roundtrip, found 13 hours ago

$207

Roundtrip

found 13 hours ago

Select United flight, departing Tue, Jul 22 from Washington Dulles Intl. to LaGuardia, returning Wed, Jul 23, priced at $207 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$227 Roundtrip, found 13 hours ago

$227

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $227 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$239 Roundtrip, found 13 hours ago

$239

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $239 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$242 Roundtrip, found 13 hours ago

$242

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $242 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$247 Roundtrip, found 13 hours ago

$247

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $247 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$247 Roundtrip, found 13 hours ago

$247

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $247 found 13 hours ago

Mon, Jul 21 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$252 Roundtrip, found 13 hours ago

$252

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Jul 21 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $252 found 13 hours ago

Tue, Jul 22 - Sun, Jul 27

IAD

Washington Dulles Intl.

LGA

LaGuardia

$262 Roundtrip, found 13 hours ago

$262

Roundtrip

found 13 hours ago

Select United flight, departing Tue, Jul 22 from Washington Dulles Intl. to LaGuardia, returning Sun, Jul 27, priced at $262 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$277 Roundtrip, found 13 hours ago

$277

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $277 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$277 Roundtrip, found 13 hours ago

$277

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $277 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$279 Roundtrip, found 13 hours ago

$279

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $279 found 13 hours ago

Thu, Jul 17 - Sat, Jul 19

IAD

Washington Dulles Intl.

LGA

LaGuardia

$284 Roundtrip, found 13 hours ago

$284

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Washington Dulles Intl. to LaGuardia, returning Sat, Jul 19, priced at $284 found 13 hours ago

Sun, Jul 20 - Mon, Jul 21

IAD

Washington Dulles Intl.

LGA

LaGuardia

$287 Roundtrip, found 13 hours ago

$287

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Jul 20 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 21, priced at $287 found 13 hours ago

Sun, Jul 20 - Sun, Jul 20

DCA

Ronald Reagan Washington National

LGA

LaGuardia

$312 Roundtrip, found 13 hours ago

$312

Roundtrip

found 13 hours ago

Select Delta flight, departing Sun, Jul 20 from Ronald Reagan Washington National to LaGuardia, returning Sun, Jul 20, priced at $312 found 13 hours ago

Sun, Jul 20 - Sun, Jul 20

DCA

Ronald Reagan Washington National

LGA

LaGuardia

$322 Roundtrip, found 13 hours ago

$322

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Sun, Jul 20 from Ronald Reagan Washington National to LaGuardia, returning Sun, Jul 20, priced at $322 found 13 hours ago

Sun, Jul 20 - Sun, Jul 20

BWI

Baltimore Washington Intl. Thurgood Marshall

LGA

LaGuardia

$388 Roundtrip, found 13 hours ago

$388

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Sun, Jul 20 from Baltimore Washington Intl. Thurgood Marshall to LaGuardia, returning Sun, Jul 20, priced at $388 found 13 hours ago