S$ 546 Find Cheap Flights from Washington, D.C. to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Singapore departing on 20-4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

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

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

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

Free to useThere are no hidden charges or fees.

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

Best Singapore Flight Deals from Washington, D.C.

Cheapest return prices found by our users on KAYAK in the last 72 hours

Singapore
Singapore1 stopS$ 987

Cheap Flight Deals from Washington, D.C. to Singapore (WAS-SG0)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Washington, D.C. to Singapore

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Washington, D.C. to Singapore.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Air India Logo
11:00 - 07:30IAD-SIN
32h 30m1 stop
Air India Logo
23:00 - 07:40SIN-IAD
44h 40m1 stop
S$ 987Air India
Find Deal
qua, 1 out - qua, 22 out
Air India Logo
11:00 - 21:45IAD-SIN
22h 45m1 stop
Air India Logo
23:00 - 07:40SIN-IAD
44h 40m1 stop
S$ 1,075Air India
Find Deal
qua, 30 abr - qua, 7 mai
Air India Logo
11:00 - 07:30IAD-SIN
32h 30m1 stop
Air India Logo
20:30 - 07:40SIN-IAD
23h 10m1 stop
S$ 1,090Air India
Find Deal
qua, 30 abr - qui, 8 mai
 Logo
11:00 - 21:45IAD-SIN
22h 45m1 stop
 Logo
02:30 - 15:45SIN-IAD
25h 15m1 stop
S$ 1,166
Find Deal
ter, 22 abr - seg, 28 abr
 Logo
21:40 - 08:30IAD-SIN
22h 50m1 stop
 Logo
03:45 - 15:45SIN-IAD
24h 00m1 stop
S$ 1,181
Find Deal
qui, 8 mai - qua, 14 mai
Etihad Airways Logo
22:05 - 09:40IAD-SIN
23h 35m1 stop
Etihad Airways Logo
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,214Etihad Airways
Find Deal
ter, 6 mai - ter, 20 mai
Turkish Airlines Logo
13:30 - 17:55IAD-SIN
40h 25m1 stop
Turkish Airlines Logo
10:15 - 11:45SIN-IAD
37h 30m1 stop
S$ 1,217Turkish Airlines
Find Deal
ter, 22 abr - qui, 1 mai
Turkish Airlines Logo
13:30 - 08:30IAD-SIN
31h 00m1 stop
Turkish Airlines Logo
05:10 - 11:45SIN-IAD
42h 35m1 stop
S$ 1,220Turkish Airlines
Find Deal
seg, 12 mai - ter, 27 mai
Etihad Airways Logo
22:05 - 09:40IAD-SIN
23h 35m1 stop
Etihad Airways Logo
21:10 - 16:10SIN-IAD
31h 00m1 stop
S$ 1,226Etihad Airways
Find Deal
seg, 1 set - qua, 10 set
SAUDIA Logo
18:50 - 15:45IAD-SIN
32h 55m1 stop
SAUDIA Logo
02:30 - 15:45SIN-IAD
25h 15m1 stop
S$ 1,276SAUDIA
Find Deal
sáb, 10 mai - seg, 19 mai

KAYAK's insights & trends for Washington, D.C. to Singapore flights

Get data-powered insights and trends into flights from Washington, D.C. to Singapore to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest month to fly from Washington, D.C. to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. to Singapore is November, when tickets cost S$ 1,330 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,418 and S$ 2,394 respectively.

Good to know

Low season

May

High season

December

Cheapest flight

S$ 546
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (41% more expensive on average)
Flight from Washington Dulles Airport to Singapore

FAQs - booking Singapore flights

  • Do I need to get a visa before I fly to Singapore?

    While you will need a passport that is valid for at least six months beyond the date of your intended duration of stay in Singapore, there is no need to get a visa so long as you plan on traveling as a tourist one business purposes for visits that last no more than 90 days. If you were traveling for any other purpose or you plan on staying in the country for longer than 90 days, you should visit the website at the Embassy of Singapore to get the most up-to-date visa information.

  • What are some things I should know about car child seat laws in Singapore before I depart from my arrival airport in Singapore?

    When transporting a child in a vehicle in Singapore, those under nine months old must use a rear-facing car seat, transitioning to a forward-facing seat until the age of four. Children up to six years old should travel in a booster seat, and those up to eight years old require a booster cushion for safe travel.

  • What are the primary differences between the three major airports in the Washington, D.C., area?

    Ronald Reagan Washington National Airport is the smallest and primarily handles domestic and short-haul international flights. Washington Dulles International Airport is a major international hub, offering a diverse range of domestic and international flights. Baltimore/Washington International Thurgood Marshall Airport is known for its mix of domestic and international flights, particularly with a focus on low-cost carriers.

  • What are reasons to upgrade to business class on United Airlines?

    Upgrading to Business Class on United Airlines elevates your travel experience with benefits such as spacious seating, enhanced comfort with lie-flat beds, gourmet dining options, and priority boarding. Enjoy exclusive lounges, attentive service from dedicated staff, increased baggage allowance, and superior in-flight entertainment, making your journey more luxurious and seamless.

  • How does KAYAK find such low prices on flights from Washington, D.C. 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, D.C. to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Singapore?

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

  • What is the Hacker Fare option on flights from Washington, D.C. to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington, D.C. 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, D.C. 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, D.C. to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Singapore

  • One of the most popular airport destinations in Singapore is Singapore Changi Airport (SIN). One way to get there from Washington, D.C., is to travel on a one-stop flight aboard ANA from Washington Dulles International Airport (IAD) with a layover at Haneda Airport (HND). Emirates Airlines also provide a one-stop flight with layover at Dubai.
  • If you are going to be departing from Baltimore Washington International Airport (BWI), a great way to get to the Singapore Changi Airport is to take a one-stop flight utilizing Condor and Lufthansa with a layover at Frankfurt Am Main International Airport (FRA).
  • If you plan on traveling early in the morning from Washington Dulles International Airport, you might consider staying at the Washington Dulles Airport Marriott, which sits right on the airport property and offers a shuttle to the terminal.
  • If your departure flight is from Ronald Reagan Washington National Airport (DCA) aboard American Airlines, you will be happy to know that this airline offers three of their lounge locations inside of Terminals C, D, and E.
  • For those that want to travel from the Ronald Reagan Washington National Airport to Singapore, there is a one-stop flight utilizing United Airlines in Singapore airlines that has a layover at Newark International Airport before arriving at Singapore Changi Airport.
See more tips

Everything you need to know for your flight from Washington, D.C. to Singapore

Cabin class types available on flights to Singapore

Cabin classes available on flights to Singapore. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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