Title: Cheap flights from Washington to Sandakan ( DCA - SDK) - Expedia.com ![Sandakan showing a city, a park and general coastal views](https://images.trvl-media.com/place/3111/0bca1d7e-b842-4151-a0b3-1f411b330408.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3111/0bca1d7e-b842-4151-a0b3-1f411b330408.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (DCA) to Sandakan (SDK) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers 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 Ronald Reagan Washington National Airport (DCA) to Sandakan (SDK) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SDK,departure:3/17/2026TANYT&leg2=from:SDK,to:DCA,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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\* - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK) cost? ### What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ### Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ### How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ### What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ### What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ### Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ### How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK) flight with Expedia? ### Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK) at the last minute? ### Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK) flight and hotel package? ### Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Sandakan (SDK)? ## Travel information | Origin airport | Ronald Reagan Washington National | | ------------------- | --------------------------------- | | Destination airport | Sandakan | | Distance | 9196 mi | ## Book with confidence # Washington to Sandakan Flights The cheapest times to fly from Washington to Sandakan On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Sandakan are during the month of . You can find some of the cheapest flights from Washington to Sandakan with Expedia's search tool and vast selection of airlines. The best time to book a flight from Washington to Sandakan Sunday is one of the best days to book for cheap flights from Washington to Sandakan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Washington to Sandakan Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Sandakan in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Sandakan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Washington to Sandakan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. 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