What day is cheapest to book flights?

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Tags

1. #tuesday
2. #flights
3. #earlier
4. #through
5. #their
6. #monday
7. #wednesday
8. #search
9. #general
10. #cheaper
11. #found
12. #travelers
13. #making
14. #midnight
15. #around
16. #slightly
17. #about
18. #cheapest