AirHint found the following cheapest one-way flights from Washington (IAD) to Oslo (OSL) in July 2026 (see full year).
One-Way flights
| 27 Jul | TAP | ||
| 20 Jul | TAP | ||
| 21 Jul | British Airways | ||
| 06 Jul | British Airways | ||
| 13 Jul | British Airways | ||
| 14 Jul | British Airways | ||
| 15 Jul | Delta | ||
| 12 Jul | KLM | ||
| 19 Jul | Delta | ||
| 18 Jul | TAP |
Also check the deals for return flights from Washington to Oslo in July.
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