Originally Posted by
IADCAflyer
Depends on the. Where you have competitive presence, one way is often the same as round trip. Where the market is limited in size or coverage, airlines often extract a premium. I saw that first hand last week.
Yep. Based in DTW and there are numerous domestic markets where DL still has roundtrip fare filings (that are cheaper than two one-way's). For example, the cheapest DTW-DSM one-way fare is $202, while they have roundtrip fare filings for as low as $227 roundtrip.