$318 Find Cheap Flights from Washington to Singapore

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info

Good to know

Low seasonAugust
Cheapest flight$318
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 50% increase in price.
Flight from Seattle to Singapore

FAQs for booking flights from Washington to Singapore

  • How does KAYAK find such low prices on flights from Washington to Singapore?

    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.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket 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.

  • What is the Hacker Fare option on flights from Washington to Singapore?

    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.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Singapore?

    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.

  • How many airports are there in Singapore?

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

  • Which is the cheapest airport to fly into in Singapore?

    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 $409.

  • What is the cheapest day to fly to Singapore?

    Based on KAYAK data, the cheapest day to fly to Singapore is Tuesday where round-trip tickets can be as cheap as $1,092. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,199 on average.

  • What is the cheapest time of day to fly to Singapore?

    The cheapest time of day to fly to Singapore is generally in the afternoon, when round-trip flights cost $1,089 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to Singapore is generally at night, which is peak travel time and where the average cost of a ticket is $1,226.

  • What is the cheapest flight to Singapore?

    The cheapest ticket to Singapore from Washington found in the last 72 hours was to Singapore, at $548 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 72 hours was $548.

  • What is the cheapest month to fly from Washington to Singapore?

    The cheapest month for flights from Washington to Singapore is February, when tickets cost $777 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,524 and $1,134 respectively.

  • How far in advance should I book a flight from Washington to Singapore?

    To get a below average price on the flight from Washington to Singapore, you should book around 2 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

  • How many cities have direct flights to Singapore?

    From Washington, there are direct flights to Singapore from 1 city. This city is Seattle and there are 5 direct flights each week.

  • How many direct flights to Singapore are there each day?

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

  • How many direct flights to Singapore are there each week?

    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.

  • How long is the flight to Singapore?

    An average nonstop flight from Washington to Singapore takes 18h 55m, covering a distance of 8136 miles. The shortest route is Seattle (SEA) to Singapore (SIN) with an average flight time of 16h 20m.

  • How many long-haul flights are there to Singapore each week?

    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.

  • What is the most popular destination in Singapore?

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

Everything you need to know for your flight to Singapore

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Singaporefrom $8,560
Business Class flights to Singaporefrom $3,354
Prem Econ Class flights to Singaporefrom $1,302
Economy Class flights to Singaporefrom $548

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.