$377 Find Cheap Flights from Washington to Singapore - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Singapore.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Singapore is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington to Singapore with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 2 airports in Singapore. The busiest airport is Singapore Changi Airport (SIN), with 99% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Singapore is Singapore Changi Airport (SIN), with an average flight price of $441.

Based on KAYAK data, the cheapest day to fly to Singapore is Tuesday where round-trip tickets can be as cheap as $931. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,119 on average.

The cheapest time of day to fly to Singapore is generally in the morning, when round-trip flights cost $996 on average. The most expensive time of day to fly to Singapore is generally in the morning, which is peak travel time and where the average cost of a ticket is $996.

The cheapest ticket to Singapore from Washington found in the last 5 days was to Singapore, at $659 round-trip. The most popular route is Seattle (SEA) to Singapore (SIN) and the cheapest round-trip airline ticket found on this route in the last 5 days was $659.

The cheapest month for flights from Washington to Singapore is March, when tickets cost $321 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of round-trip tickets is $538 and $537 respectively.

To get a below average price on the flight from Washington to Singapore, you should book around 4 weeks before departure, which saves you about 40% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

From Washington, there are direct flights to Singapore from 1 city. This city is Seattle and there are 9 direct flights each week.

There are around 1 direct flights from within Washington to Singapore every day. All flights depart in the morning.

Each week there are around 5 direct flights from within Washington to Singapore. The most common day for departures is Tuesday, with 20% of flights taking off on this day.

An average nonstop flight from Washington to Singapore takes 19h 38m, covering a distance of 8136 miles. The shortest route is Seattle (SEA) to Singapore (SIN) with an average flight time of 16h 45m.

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Singapore. Instead, there are 5 long-haul flights (6-12 hour flight duration), with the most arriving from Seattle.

Based on KAYAK flight searches, the most popular destination is Singapore (100% of total searches to Singapore).