AirHint found the following cheapest return flights from Dallas (DAL) to Oslo (OSL) in May 2026 (see full year).
Return flights
| 07 May - 20 May | Delta | ||
| 17 May - 21 May | WestJet | ||
| 23 May - 30 May | Delta | ||
| 16 May - 20 May | KLM |
Also check the deals for one-way flights from Dallas to Oslo in May.
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