$1,292 Cheap Delta flights Oslo (OSL) to Washington (IAD)

View $1,292 flight on Sat, Sep 6, 2025Opens in a new window

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$1,292 Cheap Delta flights Oslo (OSL) to Washington (IAD)

Prices were available within the past 7 days and start at $1,292 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Oct 6 - Mon, Oct 13
OSL
Oslo
IAD
Washington
$514 Roundtrip, found 3 days ago
$514
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 6 from Oslo to Washington, returning Mon, Oct 13, priced at $514 found 3 days ago
Flights from Oslo (OSL) to Washington (IAD)
Origin airport
Gardermoen
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
TAP Portugal
Distance
3887 mi

Frequently asked questions

How much is a Delta Air Lines flight from Gardermoen Airport (OSL) to Washington Dulles Intl. Airport (IAD)?
You can discover affordable return Delta Air Lines flights from $514 from OSL to IAD by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $1,292 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from OSL to IAD with Delta Air Lines?
January is one of the cheapest months to jet away to Washington with Delta Air Lines. You could also find great prices on one-way and round-trip fares in February.
What is the cheapest time to book flights from Gardermoen Airport (OSL) to Washington Dulles Intl. Airport (IAD) with Delta Air Lines?
Start your search for Delta Air Lines flights from OSL to IAD about one month before you want to leave. The most affordable time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Gardermoen Airport (OSL) to Washington Dulles Intl. Airport (IAD)?
To figure out if there's a direct route from OSL to IAD with Delta Air Lines or another carrier, select the "Nonstop" filter when searching for flights.
What is the earliest Delta Air Lines flight from OSL to IAD?
To find the earliest departures from OSL to IAD with Delta Air Lines, filter your search by "Morning" and "Early Morning." Booking an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Delta Air Lines flights from Gardermoen Airport (OSL) to Washington arrive at Washington Dulles Intl. Airport (IAD). This is the main entry point here.
Why fly with Delta Air Lines from OSL to IAD?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many passengers heading from OSL to IAD. Also, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Gardermoen Airport (OSL) to Washington Dulles Intl. Airport (IAD)?
Depending on the ticket type you purchased, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after it's confirmed. To find tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while looking for flights. For more details on canceling or changing your reservation, head to "Trips," select your flight and tick "Manage Booking."

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