Flights from Houston to Watford

Cheapest flights from Houston

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.

Wed, Oct 8 - Tue, Oct 14

IAH

George Bush Intercontinental

LHR

Heathrow

$517 Roundtrip, found 2 days ago

$517

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Oct 8 from George Bush Intercontinental to Heathrow, returning Tue, Oct 14, priced at $517 found 2 days ago

Wed, Oct 8 - Fri, Oct 17

IAH

George Bush Intercontinental

LHR

Heathrow

$534 Roundtrip, found 2 days ago

$534

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Oct 8 from George Bush Intercontinental to Heathrow, returning Fri, Oct 17, priced at $534 found 2 days ago

Thu, Oct 9 - Mon, Oct 13

IAH

George Bush Intercontinental

LHR

Heathrow

$620 Roundtrip, found 2 days ago

$620

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 9 from George Bush Intercontinental to Heathrow, returning Mon, Oct 13, priced at $620 found 2 days ago

Fri, Oct 10 - Mon, Oct 13

IAH

George Bush Intercontinental

LHR

Heathrow

$648 Roundtrip, found 2 days ago

$648

Roundtrip

found 2 days ago

Select British Airways flight, departing Fri, Oct 10 from George Bush Intercontinental to Heathrow, returning Mon, Oct 13, priced at $648 found 2 days ago

Thu, Oct 9 - Tue, Oct 14

IAH

George Bush Intercontinental

LHR

Heathrow

$658 Roundtrip, found 2 days ago

$658

Roundtrip

found 2 days ago

Select British Airways flight, departing Thu, Oct 9 from George Bush Intercontinental to Heathrow, returning Tue, Oct 14, priced at $658 found 2 days ago

Sun, Oct 12 - Tue, Oct 14

IAH

George Bush Intercontinental

LHR

Heathrow

$682 Roundtrip, found 2 days ago

$682

Roundtrip

found 2 days ago

Select United flight, departing Sun, Oct 12 from George Bush Intercontinental to Heathrow, returning Tue, Oct 14, priced at $682 found 2 days ago

Wed, Oct 8 - Mon, Oct 13

IAH

George Bush Intercontinental

LHR

Heathrow

$683 Roundtrip, found 2 days ago

$683

Roundtrip

found 2 days ago

Select United flight, departing Wed, Oct 8 from George Bush Intercontinental to Heathrow, returning Mon, Oct 13, priced at $683 found 2 days ago

Mon, Oct 13 - Tue, Oct 14

IAH

George Bush Intercontinental

LHR

Heathrow

$710 Roundtrip, found 2 days ago

$710

Roundtrip

found 2 days ago

Select British Airways flight, departing Mon, Oct 13 from George Bush Intercontinental to Heathrow, returning Tue, Oct 14, priced at $710 found 2 days ago

Wed, Jun 17 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$1,221 Roundtrip, found 2 days ago

$1,221

Roundtrip

found 2 days ago

Select Air Canada flight, departing Wed, Jun 17 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $1,221 found 2 days ago

Wed, Jun 17 - Sun, Jun 28

IAH

George Bush Intercontinental

LHR

Heathrow

$1,222 Roundtrip, found 2 days ago

$1,222

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Jun 17 from George Bush Intercontinental to Heathrow, returning Sun, Jun 28, priced at $1,222 found 2 days ago

Wed, Jun 17 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$1,324 Roundtrip, found 2 days ago

$1,324

Roundtrip

found 2 days ago

Select Lufthansa flight, departing Wed, Jun 17 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $1,324 found 2 days ago

Wed, Jun 17 - Sun, Jun 28

IAH

George Bush Intercontinental

LHR

Heathrow

$1,411 Roundtrip, found 2 days ago

$1,411

Roundtrip

found 2 days ago

Select KLM flight, departing Wed, Jun 17 from George Bush Intercontinental to Heathrow, returning Sun, Jun 28, priced at $1,411 found 2 days ago

Thu, May 28 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$1,439 Roundtrip, found 2 days ago

$1,439

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Thu, May 28 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $1,439 found 2 days ago

Thu, May 28 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$1,478 Roundtrip, found 2 days ago

$1,478

Roundtrip

found 2 days ago

Select Brussels Airlines flight, departing Thu, May 28 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $1,478 found 2 days ago

Thu, May 28 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$1,478 Roundtrip, found 2 days ago

$1,478

Roundtrip

found 2 days ago

Select Austrian Airlines flight, departing Thu, May 28 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $1,478 found 2 days ago

Wed, Jun 17 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$1,789 Roundtrip, found 2 days ago

$1,789

Roundtrip

found 2 days ago

Select Air France flight, departing Wed, Jun 17 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $1,789 found 2 days ago

Wed, Jun 17 - Sun, Jun 28

IAH

George Bush Intercontinental

LHR

Heathrow

$1,817 Roundtrip, found 2 days ago

$1,817

Roundtrip

found 2 days ago

Select Finnair flight, departing Wed, Jun 17 from George Bush Intercontinental to Heathrow, returning Sun, Jun 28, priced at $1,817 found 2 days ago

Thu, May 28 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$2,131 Roundtrip, found 2 days ago

$2,131

Roundtrip

found 2 days ago

Select Iberia flight, departing Thu, May 28 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $2,131 found 2 days ago

Thu, May 28 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$2,133 Roundtrip, found 2 days ago

$2,133

Roundtrip

found 2 days ago

Select Aer Lingus flight, departing Thu, May 28 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $2,133 found 2 days ago

Thu, May 28 - Sat, Jun 27

IAH

George Bush Intercontinental

LHR

Heathrow

$2,245 Roundtrip, found 2 days ago

$2,245

Roundtrip

found 2 days ago

Select Turkish Airlines flight, departing Thu, May 28 from George Bush Intercontinental to Heathrow, returning Sat, Jun 27, priced at $2,245 found 2 days ago