Cheapest return flights from Washington to Oslo in January from $515

AirHint found the following cheapest return flights from Washington (DCA) to Oslo (OSL) in January 2026 (see full year).

Return flights

22 Jan - 25 Jan Air Canada
24 Jan - 30 Jan Delta
24 Jan - 26 Jan Delta
22 Jan - 24 Jan jetBlue
22 Jan - 26 Jan jetBlue
25 Jan - 26 Jan jetBlue
25 Jan - 28 Jan TAP
24 Jan - 25 Jan jetBlue
23 Jan - 24 Jan Delta

Also check the deals for one-way flights from Washington to Oslo in January.

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