What's the terminology for round-trip airfare when the return ticket date is to-be-determined?

It's called an open return or open return date ticket. Although this used to be quite common, these days open return tickets can be quite expensive. Sometimes it's better to choose an approximate date and check to see what the fee or penalty may be to change the date once you know what date you'll be returning, often this can be much less expensive than an open return ticket. A good airline ticket agent or travel agent should be able to sort out the difference in prices and tickets for you.

You can go for a round the world fare. The routing should include min 3 continents and you will be given as much as stopover you want. Some Airlines combination permit open jaws too. The fare also will be cheaper when compared to individual sector fares. Better sit with your travel agent and finalise.

Good luck.

"What recourse do I somewhat have right here?" actual none. each little thing Delta instructed you is authentic -- as quickly as you fail to fly any factor of a cost tag, all ultimate segments on the itinerary are immediately cancelled. and you basically won't be ready to examine in and fail to take place -- they would know you weren't on the airplane as quickly as your boarding passes are not scanned, and nevertheless cancel the reservation. (i might notice that the fare regulations for those tickets maximum probably will needless to say state that the reservation is cancelled as quickly as you fail to take place for any leg.) What you're offering somewhat has a recognition -- "throwaway ticketing" -- that's the prepare of procuring for a around-holiday fee ticket, yet basically using component to it. it is generally performed with the 1st 0.5 of the fee ticket, besides the shown fact that it is on no account performed with the 2nd 0.5, for the justifications already suggested. Regardless, it is against the regulations on Delta and maximum airlines, with the penalty as low as cancellation of the fee ticket and as intense as paying the version between the single-way and the around-holiday fee ticket. In precis, the only recourse you have at this factor is to the two fly the Delta tickets as you acquire, pay to make the diversities, or call Delta to cancel the tickets and purchase new one-way tickets. (in case you call and cancel the tickets formerly the departure date, you will maintain some fee which would be used at a later date.) Complaining greater shouldn't help in this occasion, quite in a undertaking the place the shopper is making an attempt to get around revealed regulations that are in place quite to ward off human beings from doing what you're attempting to do.

It is called Open Tickets.

U can also buy Coupon Booklets which come for a fixed price and can be used on any sector/route on any date.

U can get them by contacting the airline directly or your local travel agent.

Cheers!!!

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