Flights from Hounslow

Cheapest flights from Hounslow

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.

Sat, Dec 5 - Sun, Dec 6

LGW

Gatwick

BCN

Barcelona Intl.

$70 Roundtrip, found 6 days ago

$70

Roundtrip

found 6 days ago

Select Vueling Airlines flight, departing Sat, Dec 5 from Gatwick to Barcelona Intl., returning Sun, Dec 6, priced at $70 found 6 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$102 Roundtrip, found 4 days ago

$102

Roundtrip

found 4 days ago

Select Vueling Airlines flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $102 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$167 Roundtrip, found 4 days ago

$167

Roundtrip

found 4 days ago

Select British Airways flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $167 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$200 Roundtrip, found 4 days ago

$200

Roundtrip

found 4 days ago

Select Iberia flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $200 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$304 Roundtrip, found 4 days ago

$304

Roundtrip

found 4 days ago

Select TAP Portugal flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $304 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LGW

Gatwick

BCN

Barcelona Intl.

$317 Roundtrip, found 6 days ago

$317

Roundtrip

found 6 days ago

Select Air Europa flight, departing Sat, Dec 5 from Gatwick to Barcelona Intl., returning Sun, Dec 6, priced at $317 found 6 days ago

Sat, Dec 5 - Sun, Dec 6

LGW

Gatwick

BCN

Barcelona Intl.

$353 Roundtrip, found 6 days ago

$353

Roundtrip

found 6 days ago

Select Swiss International Air Lines flight, departing Sat, Dec 5 from Gatwick to Barcelona Intl., returning Sun, Dec 6, priced at $353 found 6 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$356 Roundtrip, found 4 days ago

$356

Roundtrip

found 4 days ago

Select Lufthansa flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $356 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$370 Roundtrip, found 4 days ago

$370

Roundtrip

found 4 days ago

Select KLM flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $370 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$373 Roundtrip, found 4 days ago

$373

Roundtrip

found 4 days ago

Select Brussels Airlines flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $373 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LCY

London City

BCN

Barcelona Intl.

$375 Roundtrip, found 6 days ago

$375

Roundtrip

found 6 days ago

Select ITA Airways flight, departing Sat, Dec 5 from London City to Barcelona Intl., returning Sun, Dec 6, priced at $375 found 6 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$384 Roundtrip, found 4 days ago

$384

Roundtrip

found 4 days ago

Select ITA Airways flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $384 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LGW

Gatwick

BCN

Barcelona Intl.

$386 Roundtrip, found 6 days ago

$386

Roundtrip

found 6 days ago

Select Air France flight, departing Sat, Dec 5 from Gatwick to Barcelona Intl., returning Sun, Dec 6, priced at $386 found 6 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$416 Roundtrip, found 4 days ago

$416

Roundtrip

found 4 days ago

Select Austrian Airlines flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $416 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LHR

Heathrow

BCN

Barcelona Intl.

$475 Roundtrip, found 4 days ago

$475

Roundtrip

found 4 days ago

Select Scandinavian Airlines flight, departing Sat, Dec 5 from Heathrow to Barcelona Intl., returning Sun, Dec 6, priced at $475 found 4 days ago

Sat, Dec 5 - Sun, Dec 6

LCY

London City

BCN

Barcelona Intl.

$510 Roundtrip, found 6 days ago

$510

Roundtrip

found 6 days ago

Select Aer Lingus flight, departing Sat, Dec 5 from London City to Barcelona Intl., returning Sun, Dec 6, priced at $510 found 6 days ago

Sat, Dec 5 - Sun, Dec 6

LCY

London City

BCN

Barcelona Intl.

$520 Roundtrip, found 6 days ago

$520

Roundtrip

found 6 days ago

Select Luxair flight, departing Sat, Dec 5 from London City to Barcelona Intl., returning Sun, Dec 6, priced at $520 found 6 days ago

Sun, Nov 22 - Fri, Dec 11

LHR

Heathrow

JFK

John F. Kennedy Intl.

$654 Roundtrip, found 11 hours ago

$654

Roundtrip

found 11 hours ago

Select Virgin Atlantic flight, departing Sun, Nov 22 from Heathrow to John F. Kennedy Intl., returning Fri, Dec 11, priced at $654 found 11 hours ago

Mon, Nov 23 - Mon, Dec 14

LHR

Heathrow

JFK

John F. Kennedy Intl.

$666 Roundtrip, found 11 hours ago

$666

Roundtrip

found 11 hours ago

Select Virgin Atlantic flight, departing Mon, Nov 23 from Heathrow to John F. Kennedy Intl., returning Mon, Dec 14, priced at $666 found 11 hours ago

Mon, Nov 23 - Mon, Dec 14

LHR

Heathrow

JFK

John F. Kennedy Intl.

$666 Roundtrip, found 11 hours ago

$666

Roundtrip

found 11 hours ago

Select Delta flight, departing Mon, Nov 23 from Heathrow to John F. Kennedy Intl., returning Mon, Dec 14, priced at $666 found 11 hours ago