Keyword number 2 . cheap airline tickets
Keyword number 3 . airline tickets
Keyword number 4 . cheap flights tickets
Keyword number 5 . cheap flights
Keyword number 6 . flights
Keyword number 7 . airlines tickets
Keyword number 8 . cheap airlines tickets
Keyword number 9 . cheap airlines
Keyword number 10 . airlines
Keyword number 11 . plane tickets
Keyword number 12 . plane tickets cheap
Keyword number 13 . cheap air
Keyword number 14 . air tickets
Keyword number 15 . air tickets cheap
Keyword number 16 . southwest
Keyword number 17 . cheap flight tickets
Keyword number 18 . cheap flight
Keyword number 19 . flight tickets
Keyword number 20 . flight
Keyword number 21 . cheap airline flights
Keyword number 22 . southwest airlines
Keyword number 23 . expedia
Keyword number 24 . delta
Keyword number 25 . cheap vegas tickets
