To save up to 36% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to Oshkosh from $377 1-2 weeks out and tickets from $487 for flights departing within the next 72 hours.
When flying from Washington, D.C. Dulles Intl Airport to Oshkosh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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