Cheap Flights from Washington (DCA) to Sishen (SIS)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Sishen (SIS)

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Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS) cost?
Lock in a cheap one-way flight or cheap return flight from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS)?
Flying in can help you save, as it's the cheapest month for flights between DCA and SIS. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from DCA to SIS. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS)?
There are no daily direct flights from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from DCA to SIS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS)?
To land at Sishen Airport (SIS) on schedule, opt for a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS) last-minute?
Last-minute fares from DCA to SIS are generally more expensive. To secure the lowest rates, start looking for flights well in advance. That said, if your travel plans are flexible, you may score a cheap ticket just before your departure.
Is it cheaper to book a DCA to SIS flight and hotel package?
Opting for a DCA to SIS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Sishen Airport (SIS)?
It's usually possible to reschedule or cancel your DCA to SIS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Sishen
Distance
7896 mi

Book with confidence

Washington to Sishen Flights

The cheapest times to fly from Washington to Sishen

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 Sishen are during the month of . You can find some of the cheapest flights from Washington to Sishen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Sishen

Sunday is one of the best days to book for cheap flights from Washington to Sishen: 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 Sishen

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 Sishen 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 Sishen 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. Bundling together your Washington to Sishen 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. The percentages you see are averages.

 

Washington to Sishen Flights

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