What is a hacker fare on Kayak?

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Tags

1. #round
2. #different
3. #flight
4. #airfare
5. #hacker
6. #kayak
7. #might
8. #instead
9. #together
10. #ticket
11. #destination
12. #airline
13. #matchmaker
14. #finding
15. #means
16. #plays
17. #single
18. #sometimes
19. #tickets
20. #making