Cheap flights from Washington, D.C. to Singapore from $409
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Singapore departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Washington, D.C. to Singapore
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Singapore?
The month of November is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $1,006. If you aren’t able to travel to Singapore during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,038.
What is the cheapest day to depart on your flight to Singapore?
The cheapest day to depart from Washington, D.C. to Singapore is on a Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.
What is the cheapest time of day to depart on your flight to Singapore?
At noon is the cheapest time of day to fly from Washington, D.C. to Singapore when you can find flight prices for as low as $1,137. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,511 on average. Flights to Singapore from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How have Washington, D.C. to Singapore flight prices changed over time?
As of April 2025, prices for Washington, D.C. to Singapore flights are approximately 0% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. to Singapore Changi?
Air India, Turkish Airlines, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Singapore Changi
What airlines fly to Singapore?
Turkish Airlines, Qatar Airways and United Airlines are the top three most popular airlines that fly to Singapore from Washington, D.C. according to our data. Turkish Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 9 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. to Singapore
Cheap Washington, D.C. to Singapore (WAS to SIN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Singapore
How far is Washington, D.C. to Singapore Changi by plane?
The straight-line distance from Washington, D.C. to Singapore Changi is 9651.2 mi. A reasonable flight in good conditions will take 22h 00m.
When did momondo last update prices for flights from Washington, D.C. to Singapore Changi Airport?
Prices for flights from Washington, D.C. to Singapore Changi Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Singapore Changi Airport?
As of April 2025, there are 9 operators available to choose from for flights from Washington, D.C. to Singapore Changi Airport.
How old do you have to be to fly from Washington, D.C. to Singapore Changi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Singapore?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Singapore is Turkish Airlines, representing 30% of all bookings. The subsequent popular airlines are Qatar Airways at 20%, United Airlines at 16%, and American Airlines at 9%.
Best airlines flying from Washington, D.C. to Singapore
Compare and see reviews for airlines that fly from Washington, D.C. to Singapore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $830 | Free Cancellation | Rating 7.3 3,760 reviews | |||
| PriceFrom $904 | Free Cancellation | Rating 7.4 8,658 reviews | |||
| PriceFrom $1,014 | Free Cancellation | Rating 7.4 3,553 reviews | |||
| PriceFrom $1,015 | Free Cancellation | Rating 8.0 7,917 reviews | |||
| PriceFrom $1,037 | Free Cancellation | Rating 8.4 1,063 reviews | |||
| PriceFrom $1,043 | Free Cancellation | Rating 7.3 2,926 reviews | |||
| PriceFrom $1,124 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,287 | Free Cancellation | Rating 8.1 1,288 reviews | |||
| PriceFrom $1,581 | Free Cancellation | Rating 8.3 841 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Singapore. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Singapore on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Singapore?
Once you have performed a search for Washington, D.C. to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington, D.C. to Singapore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.