Title: Cheap Flights from Washington (IAD) to Oulu (OUL) - Expedia.ca ![Oulu featuring northern lights and night scenes](https://images.trvl-media.com/place/6056249/7d7e2902-3510-4b14-9f5f-4b1be92c548b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Thomas Kast, Visit Finland ![](https://images.trvl-media.com/place/6056249/7d7e2902-3510-4b14-9f5f-4b1be92c548b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (IAD) to Oulu (OUL) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Washington Dulles International Airport (IAD) to Oulu (OUL) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:oul,departure:08/11/2025TANYT&leg2=from:oul,to:iad,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Finnair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:oul,departure:08/11/2025TANYT&leg2=from:oul,to:iad,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:oul,departure:08/11/2025TANYT&leg2=from:oul,to:iad,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from IAD to Oulu Airport (OUL)? > Round-trip flights from IAD to OUL start from . This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from IAD to OUL? > Each airline has its own set of terms and conditions. If you decide to cancel your escape, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from IAD to OUL that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from Dulles Intl. Airport to OUL. This allows you to lock in a low rate ahead of time and still have the freedom to reschedule without any extra fees. You'll just need to pay the difference in fare. ### How far is the flight from Dulles Intl. Airport to Oulu Airport? > The distance is around 6,700 kilometres, so pack your carry-on bag with all the items you need to make the long journey comfortable. Wondering what to take on board your Chantilly to Oulu flight? A sleep mask, earplugs and a travel pillow are a few essentials. ### Which airlines fly direct from IAD to Oulu Airport (OUL)? > Flying nonstop between Dulles Intl. Airport and Oulu Airport isn't possible at the moment. However, you'll still be able to book a flight to Oulu with at least one stop. ### Are Washington Dulles Intl. Airport (IAD) to Oulu Airport flight tickets cheaper when they're purchased at the last minute? > Flight prices always go up and down, so not always. While last-minute flight deals between IAD and OUL are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers publish their prices up to a year prior to the departure date. Expedia is constantly updating the best bargains around, so check back often and be ready to pounce when the price dips. ## Travel information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Oulu | | Distance | 6659 km | ## Book with confidence ### Chantilly to Oulu Flights **The easy way to book your flights from Washington to Oulu**  With Expedia, it’s simple to find and book flights to Oulu from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Oulu, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Oulu today, tomorrow, or this week.   **Save dollars with cheap flights from Washington Dulles Intl., IAD to Oulu, OUL**  Sort your search results by price to find great deals on your flight from Washington to Oulu—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Oulu from Washington currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Oulu   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Oulu from Washington**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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