Is it cheaper to book separate flights?

For flights within the United States on the same airline, round-trip tickets almost always cost the same as two one-ways. There's one caveat here: Booking two one-way tickets between separate destination or arrival airports can, in some cases, save money (or cost more).

How can I change my flight date for cheap?

6 ways to avoid paying an airline's ticket change fee

1. Do it within 24 hours. …
2. Do it 60 days ahead of time. …
3. Buy a flexible fare or opt for the add-on. …
4. Change for a flight on the same day if you can. …
5. Look for any schedule changes. …
6. Plead your case. …
7. Elite status helps.

Can I reschedule my flight if it is non refundable?

Rescheduling a nonrefundable fare to a different date is usually possible, but it most often comes with a substantial penalty charge. For passengers in some deeply discounted fare classes, like basic economy, rescheduling a nonrefundable fare is not allowed.

Is it cheaper to change a flight or book a new one?