Flights from Washington to Kidlington

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.

Mon, Aug 25 - Mon, Sep 1

IAD

Washington Dulles Intl.

LHR

Heathrow

$511 Roundtrip, found 5 days ago

$511

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Mon, Sep 1, priced at $511 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

IAD

Washington Dulles Intl.

LHR

Heathrow

$511 Roundtrip, found 5 days ago

$511

Roundtrip

found 5 days ago

Select United flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 3, priced at $511 found 5 days ago

Tue, Aug 19 - Wed, Aug 27

IAD

Washington Dulles Intl.

LHR

Heathrow

$517 Roundtrip, found 4 days ago

$517

Roundtrip

found 4 days ago

Select British Airways flight, departing Tue, Aug 19 from Washington Dulles Intl. to Heathrow, returning Wed, Aug 27, priced at $517 found 4 days ago

Mon, Aug 25 - Wed, Sep 3

DCA

Ronald Reagan Washington National

LHR

Heathrow

$522 Roundtrip, found 5 days ago

$522

Roundtrip

found 5 days ago

Select United flight, departing Mon, Aug 25 from Ronald Reagan Washington National to Heathrow, returning Wed, Sep 3, priced at $522 found 5 days ago

Sun, Nov 16 - Thu, Nov 27

IAD

Washington Dulles Intl.

LHR

Heathrow

$523 Roundtrip, found 2 days ago

$523

Roundtrip

found 2 days ago

Select Icelandair flight, departing Sun, Nov 16 from Washington Dulles Intl. to Heathrow, returning Thu, Nov 27, priced at $523 found 2 days ago

Sun, Nov 16 - Tue, Dec 2

IAD

Washington Dulles Intl.

LHR

Heathrow

$525 Roundtrip, found 2 days ago

$525

Roundtrip

found 2 days ago

Select Icelandair flight, departing Sun, Nov 16 from Washington Dulles Intl. to Heathrow, returning Tue, Dec 2, priced at $525 found 2 days ago

Mon, Sep 8 - Tue, Sep 16

BWI

Baltimore Washington Intl. Thurgood Marshall

LHR

Heathrow

$530 Roundtrip, found 9 hours ago

$530

Roundtrip

found 9 hours ago

Select Virgin Atlantic flight, departing Mon, Sep 8 from Baltimore Washington Intl. Thurgood Marshall to Heathrow, returning Tue, Sep 16, priced at $530 found 9 hours ago

Tue, Aug 19 - Wed, Aug 27

BWI

Baltimore Washington Intl. Thurgood Marshall

LHR

Heathrow

$532 Roundtrip, found 4 days ago

$532

Roundtrip

found 4 days ago

Select Virgin Atlantic flight, departing Tue, Aug 19 from Baltimore Washington Intl. Thurgood Marshall to Heathrow, returning Wed, Aug 27, priced at $532 found 4 days ago

Mon, Aug 25 - Wed, Sep 3

DCA

Ronald Reagan Washington National

LHR

Heathrow

$532 Roundtrip, found 5 days ago

$532

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Aug 25 from Ronald Reagan Washington National to Heathrow, returning Wed, Sep 3, priced at $532 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

IAD

Washington Dulles Intl.

LHR

Heathrow

$535 Roundtrip, found 5 days ago

$535

Roundtrip

found 5 days ago

Select Brussels Airlines flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 3, priced at $535 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

IAD

Washington Dulles Intl.

LHR

Heathrow

$562 Roundtrip, found 5 days ago

$562

Roundtrip

found 5 days ago

Select Air France flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 3, priced at $562 found 5 days ago

Mon, Aug 25 - Mon, Sep 1

IAD

Washington Dulles Intl.

LHR

Heathrow

$563 Roundtrip, found 5 days ago

$563

Roundtrip

found 5 days ago

Select KLM flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Mon, Sep 1, priced at $563 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

IAD

Washington Dulles Intl.

LHR

Heathrow

$563 Roundtrip, found 1 day ago

$563

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Wed, Sep 10 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 17, priced at $563 found 1 day ago

Sun, Sep 28 - Thu, Oct 9

IAD

Washington Dulles Intl.

LHR

Heathrow

$577 Roundtrip, found 3 days ago

$577

Roundtrip

found 3 days ago

Select United flight, departing Sun, Sep 28 from Washington Dulles Intl. to Heathrow, returning Thu, Oct 9, priced at $577 found 3 days ago

Mon, Aug 25 - Mon, Sep 1

IAD

Washington Dulles Intl.

LHR

Heathrow

$591 Roundtrip, found 5 days ago

$591

Roundtrip

found 5 days ago

Select Austrian Airlines flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Mon, Sep 1, priced at $591 found 5 days ago

Wed, Sep 10 - Wed, Sep 17

IAD

Washington Dulles Intl.

LHR

Heathrow

$605 Roundtrip, found 1 day ago

$605

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Wed, Sep 10 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 17, priced at $605 found 1 day ago

Mon, Aug 25 - Wed, Sep 3

DCA

Ronald Reagan Washington National

LHR

Heathrow

$634 Roundtrip, found 5 days ago

$634

Roundtrip

found 5 days ago

Select Air Canada flight, departing Mon, Aug 25 from Ronald Reagan Washington National to Heathrow, returning Wed, Sep 3, priced at $634 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

IAD

Washington Dulles Intl.

LHR

Heathrow

$722 Roundtrip, found 5 days ago

$722

Roundtrip

found 5 days ago

Select Aer Lingus flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 3, priced at $722 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

IAD

Washington Dulles Intl.

LHR

Heathrow

$782 Roundtrip, found 5 days ago

$782

Roundtrip

found 5 days ago

Select Finnair flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 3, priced at $782 found 5 days ago

Mon, Aug 25 - Wed, Sep 3

IAD

Washington Dulles Intl.

LHR

Heathrow

$810 Roundtrip, found 5 days ago

$810

Roundtrip

found 5 days ago

Select Iberia flight, departing Mon, Aug 25 from Washington Dulles Intl. to Heathrow, returning Wed, Sep 3, priced at $810 found 5 days ago