Very cheap flights from Barcelona or Madrid, Spain to Muscat, Oman from only €168 roundtrip with British Airways.
On some routes/dates, the flight from the Muscat to London arrives at Heathrow Airport, however, the next flight from London to Spain departs from Gatwick Airport.
This is the perfect opportunity to end your trip in London, should you choose to do so, as you are required to collect your bags at Heathrow.
Of course, never inform the airline that you do not plan on getting the last flight.
London, UK (by exiting early)
Availability from November 2017 to March 2018 (excluding Christmas/New Year)
Barcelona – Muscat: €168
29th Nov – 8th Dec
30th Nov – 8th Dec
26th Jan – 4th Feb
27th Jan – 4th Feb
28th Jan – 4th Feb
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