If you buy Lufthansa tickets with return are considerably cheaper from one way. Lets say I want to book from A->B and back. I am not sure yet about the return date. They are offering Economy Flex in which you can re-book portion of the flight. My question is what price will the new ticket have? will the price be calculated as a return flight or one way? Because the same ticket one way costs 300 and if it is a return ticket 300 in total.

  • 1
    Have you asked Lufthansa?
    – user79658
    Oct 27, 2018 at 20:02
  • Various comments elsewhere on the web refer to Article 3 in Lufthansa's terms which, I believe, allows them to recalculate the fare based on what you re-book to. Given the complexity of airline ticket prices it's likely that even Lufthansa won't know until you actually try to re-book the flight.
    – user79658
    Oct 27, 2018 at 20:13
  • I send them an email a week ago..No answer...Okay thanks for your help
    – traveller
    Oct 27, 2018 at 20:21
  • 1
    What's your alternative? AFAIK, they will charge the fare difference if you rebook, that most probably increases as the flight date gets nearer. However, if you wait until that same day to book a one-way ticket for your return trip, it's almost guaranteed to be even more expensive.
    – Sabine
    Oct 28, 2018 at 9:28
  • Choose different airline from another airport (use the bus to go there) to book the one way..and try to find something else for going back... There are no direct flights to where I am going and the airliners that provide connecting flights to the same ticket are not a lot.
    – traveller
    Oct 28, 2018 at 11:00

1 Answer 1


The rules are typically as follows:

When you change the return flight you have to pay the difference between the cost of original return flight and the cost of the new return flight plus any change fees. Cost difference between the tickets goes both ways: if your new return flight is cheaper, you actually get money back.

If you buy a flex ticket, the change fee is normally $0. However you are still responsible for any difference (positive or negative) of the actual ticket prices. If, at your new date, only very expensive tickets are available, you may have to pay a lot extra. In any case you should read the fine print on the flex ticket, sometimes there are exclusion of when and how the change fee is waived.

In the end this is simple math: A flex ticket only makes sense if the price adder for "flex" is considerably lower than the change fee for a regular ticket. In practice, that's rarely the case and typically flex ticket don't make a lot of sense.

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