IAD - SIN

C$ 681 Find Cheap Flights from Washington, D.C. to Singapore – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 1,349
Typical prices: C$ 1,611-C$ 2,382
Etihad Airways
Fri 12/10Sun 21/10
IAD - SIN • 1 stop
Cheapest one-way flights
C$ 681
Typical prices: C$ 811-C$ 1,336
Etihad Airways
Fri 12/10
IAD - SIN • 1 stop
Direct flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Singapore. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
26 weeks
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 27% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Jeddah King Abdulaziz Intl (JED)
Cheapest • Avg C$ 1,184 (round-trip)
Dubai Intl (DXB)
Shortest trip • 23h 13m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Singapore!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Singapore (IAD-SIN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Singapore

Mon, 12 Oct - Wed, 21 Oct
Etihad Airways Logo
3:10 p.m. - 9:40 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:00 p.m. - 9:45 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 45m1 stop Abu Dhabi Zayed Intl
C$ 1,349Etihad Airways
Tue, 13 Oct - Wed, 28 Oct
Etihad Airways Logo
3:10 p.m. - 9:40 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 p.m. - 10:05 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 40m1 stop Abu Dhabi Zayed Intl
C$ 1,384Etihad Airways
Thu, 22 Oct - Tue, 16 Feb
Etihad Airways Logo
3:10 p.m. - 9:40 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 p.m. - 9:05 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 40m1 stop Abu Dhabi Zayed Intl
C$ 1,403Etihad Airways
Thu, 15 Oct - Sat, 24 Oct
Etihad Airways Logo
3:10 p.m. - 9:40 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:00 p.m. - 10:05 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 05m1 stop Abu Dhabi Zayed Intl
C$ 1,404Etihad Airways
Thu, 15 Oct - Sat, 24 Oct
Etihad Airways Logo
3:10 p.m. - 9:40 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:00 p.m. - 10:05 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 05m1 stop Abu Dhabi Zayed Intl
C$ 1,439Etihad Airways
Fri, 23 Oct - Tue, 16 Feb
Etihad Airways Logo
3:10 p.m. - 9:40 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 p.m. - 9:05 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 40m1 stop Abu Dhabi Zayed Intl
C$ 1,459Etihad Airways
Tue, 17 Nov - Sun, 22 Nov
Korean Air Logo
11:50 a.m. - 8:25 p.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
43h 35m1 stop Incheon Intl
Korean Air Logo
10:30 a.m. - 9:50 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
36h 20m1 stop Incheon Intl
C$ 1,482Korean Air
Mon, 26 Oct - Thu, 18 Feb
Korean Air Logo
6:31 p.m. - 8:25 p.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
37h 54m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
10:30 p.m. - 9:50 a.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 20m1 stop Incheon Intl
C$ 1,489Korean Air
Mon, 26 Oct - Thu, 18 Feb
Delta Logo
6:05 a.m. - 12:15 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 10m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
10:30 p.m. - 4:30 p.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
31h 00m2 stops Incheon Intl Detroit Metropolitan Wayne County
C$ 1,498Delta
Mon, 28 Sep - Wed, 7 Oct
Korean Air Logo
8:08 a.m. - 5:00 a.m.IAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
32h 52m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
1:25 a.m. - 5:33 p.m.SIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
28h 08m2 stops Incheon Intl New York John F Kennedy Intl
C$ 1,505Korean Air
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Singapore flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Singapore with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Singapore?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Singapore start at C$ 1,349. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 1,611 to C$ 2,382. The lowest price found in the past 5 days was C$ 1,349 on Etihad Airways.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Singapore?

Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Singapore and is 12% cheaper than the average day. Friday is the most expensive day with flight prices 21% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Singapore at C$ 1,359 round-trip.
  • December (C$ 2,617) and July (C$ 2,113) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 92% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Singapore the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Singapore are cheapest 26 weeks before departure. Booking in this window typically costs about 25% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Singapore flights

Low season

August

Cheapest flight

C$ 681
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly and prices are also 11% lower on average.
Flights from Washington, D.C. Dulles Intl Airport to Singapore

When to book flights from Washington, D.C. to Singapore

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Singapore flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What flight options do I have from Washington Dulles Airport to Singapore?

    You will have at least one layover when flying from Washington Dulles Airport to Singapore. Singapore Airlines, United Airlines, Virgin Atlantic, and British Airways offer flights between the two destinations with a layover in London. Korean Air, Turkish Airlines, Emirates, and Qatar Airways offer connecting flights to Singapore through hub cities such as Seoul, Istanbul, Dubai, and Doha.

  • Which airline flying from Washington Dulles Airport to Singapore is ideal for families traveling with young kids?

    Korean Air offers priority boarding for families with young kids to settle in before other passengers. On long-haul flights, the airline provides baby bassinets for babies under a certain weight and height limit. In addition, Korean Air offers child-friendly meal options and extensive in-flight entertainment, such as movies for kids and TV shows.

  • Which airline is suitable for passengers traveling in a wheelchair?

    When flying with Turkish Airlines, you will be allowed to bring your wheelchair onboard, regardless of whether it is manual or battery-operated. Also, this airline offers wheelchairs on board for ease of moving around if you have limited mobility. Turkish Airlines ensure the comfort of passengers traveling in a wheelchair by assisting at the terminal, during boarding, inside the aircraft cabin, during layovers, and during deplaning.

  • Which airline is ideal to fly with from Washington Dulles Airport to Singapore?

    Virgin Atlantic offers top-notch services to its customers and will be the ideal airline for you to fly from Washington Dulles Airport to Singapore. This airline features comfortable seating, delicious meals, and a wide selection of entertainment options onboard. You are guaranteed a safe, comfortable, and enjoyable trip when you choose this airline.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Singapore?

    Flights from Washington, D.C. Dulles Intl Airport to Singapore usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Singapore Changi (SIN).

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Singapore?

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Singapore.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Singapore pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Singapore most commonly connect through:

    • Doha Hamad Intl (DOH) – 41% of one-stop connections
    • Istanbul (IST) – 28% of one-stop connections
    • San Francisco (SFO) – 13% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 8% of one-stop connections

    Doha Hamad Intl (DOH) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Singapore?

    Yes. Being flexible with your travel dates can save you up to 27% on the Washington, D.C. Dulles Intl Airport to Singapore route. Monday is the cheapest departure day at C$ 1,642 round-trip on average, while Friday is the most expensive at C$ 2,245, a difference of C$ 603. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Sentosa, Singapore Expo, and Universal Studios Singapore. These are among the most viewed places in Singapore on KAYAK.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Singapore flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 4% above the route average of C$ 1,852. Book 26 weeks before departure for the lowest fares.

  • How long does a flight from Washington, D.C. Dulles Intl Airport to Singapore take?

    A direct flight from Washington, D.C. Dulles Intl Airport to Singapore takes 0h 00m, covering 24,977 km.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Singapore?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Singapore looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Singapore are currently lower than usual. Average one-way flight prices are about C$ 760, which is 20% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Washington, D.C. Dulles Intl Airport to Singapore?

    Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time at 23h 13m, compared with 23h 47m via Taipei City Taiwan Taoyuan Intl (TPE) and 24h 14m via San Francisco (SFO).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Singapore?

    Singapore is 12 hours ahead of Washington, D.C. Dulles Intl Airport (Singapore Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Singapore Changi Airport (SIN)?

    Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates starting from around C$ 81 for economy cars. Top options include:
    • Avis
    • Sixt
    • Thrifty
    • Hertz
    • Europcar

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Singapore flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Singapore range from C$ 1,611 to C$ 2,382, with an average of C$ 1,852 over the past 12 months. Anything below C$ 1,611 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Singapore flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average C$ 1,642 – about C$ 603 less than Friday (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 25% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Singapore trip for February. Fares historically average C$ 1,359 round-trip in that month – typically C$ 1,259 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Singapore Changi Airport.
    - Crowne Plaza Changi Airport by IHG
    - Changi Transit Hotel Terminal 1
    - The Haven by Jetquay
  • Washington Dulles International Airport (IAD) is located approximately 26 miles from Downtown Washington, D.C. and will be the departure airport for your trip to Singapore. Convenient transportation options include taxis, Uber, and Lyft, as well as public transit via Metrorail or Metrobus, connecting downtown to the airport terminal operated by the Washington Metropolitan Area Transit Authority.
  • Hotels near Washington Dulles International Airport that offer complimentary airport shuttle services will be an ideal choice of accommodation if you have an early morning flight from Washington Dulles International Airport to Singapore. We recommend staying at hotels such as Holiday Inn Washington Dulles International Airport, Hyatt Regency Dulles, or Hilton Washington Dulles Airport.
  • Singapore Changi Airport (SIN) will be your arrival airport from Washington Dulles Airport. This airport is about 10 miles from the city center. Taxis are readily available outside the airport, a convenient way to get downtown. Alternatively, the east-west and downtown lines of the metro system offer convenient access to downtown areas like Bugis, Chinatown, and Marina Bay.
  • If you land late at night, booking accommodation at a hotel near Singapore Changi Airport will be ideal. Crowne Plaza Changi Airport, Aerotel Singapore, Village Hotel Changi, Ambassador Transit Hotel, and Capri by Fraser Changi City, Singapore are conveniently close to the airport, and offer complimentary airport shuttle services to guests.
  • Singapore Airlines is focused on achieving zero carbon emissions by 2050 and reducing waste. This airline takes part in programs and initiatives that help promote environmental sustainability by being an active Sustainable Aviation Fuel Users Group member since 2011, and participating in the ICAO Carbon Offsetting and Reduction Scheme for International Aviation.

More options for your flight from Washington, D.C. to Singapore

Complete your trip to Singapore with a hotel stay or car rental

Car rentals in Singapore
Hotels in Singapore
Vacations in Singapore