IAD - SIN

$419 Find Cheap Flights from Washington Dulles Airport to Singapore - Compare and Save

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Everything you should know

Cheapest round-trip
$905
Typical prices: $1,160-$1,715
Ethiopian Air
Sat 11/10Thu 11/29
IAD - SIN • 1 stop
Cheapest one-way
$419
Typical prices: $584-$961
Multiple Airlines
Thu 11/1
IAD - SIN • 2 stops
Nonstop flights
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.
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When to book
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 25% compared to booking last minute.
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When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $852 (round-trip)
Shortest trip • 23h 13m (one-way)
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Flight Deals

Cheap Flights from Dulles Intl to Singapore (IAD-SIN)

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

Recent round-trip flight deals from Dulles Intl to Singapore

Tue, Nov 10 - Sun, Nov 29
Ethiopian Air Logo
10:00 am - 2:50 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
39h 50m1 stop Addis Ababa Bole
Ethiopian Air Logo
2:00 am - 7:05 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
30h 05m2 stops Addis Ababa Bole Lome
$905Ethiopian Air
Mon, Oct 12 - Mon, Oct 26
Etihad Airways Logo
3:10 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 pm - 10:05 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 40m1 stop Abu Dhabi Zayed Intl
$962Etihad Airways
Tue, Oct 27 - Tue, Nov 3
Etihad Airways Logo
3:35 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 00m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 pm - 9:05 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 40m1 stop Abu Dhabi Zayed Intl
$963Etihad Airways
Tue, Nov 10 - Thu, Nov 19
Air China Logo
10:00 pm - 9:55 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
34h 55m1 stop Beijing Capital
Air China Logo
5:45 pm - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Beijing Capital
$991Air China
Sun, Nov 15 - Tue, Nov 24
Qatar Airways Logo
10:30 am - 9:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
21h 45m1 stop Doha Hamad Intl
Qatar Airways Logo
8:15 pm - 8:10 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 55m1 stop Doha Hamad Intl
$1,055Qatar Airways
Sun, Nov 8 - Thu, Nov 19
Qatar Airways Logo
10:30 am - 9:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
21h 45m1 stop Doha Hamad Intl
Qatar Airways Logo
3:15 am - 3:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 40m1 stop Doha Hamad Intl
$1,055Qatar Airways
Wed, Oct 28 - Wed, Nov 4
Korean Air Logo
10:14 am - 5:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 46m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
10:30 pm - 9:50 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 20m1 stop Incheon Intl
$1,061Korean Air
Thu, Nov 12 - Tue, Nov 24
Korean Air Logo
11:50 am - 5:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
28h 10m1 stop Incheon Intl
Korean Air Logo
10:30 am - 9:50 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
36h 20m1 stop Incheon Intl
$1,066Korean Air
Sun, Oct 11 - Thu, Oct 15
Turkish Airlines Logo
9:40 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
23h 05m1 stop Istanbul
Turkish Airlines Logo
11:05 pm - 11:30 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 25m1 stop Istanbul
$1,085Turkish Airlines
Mon, Nov 2 - Thu, Nov 5
Turkish Airlines Logo
2:30 pm - 5:40 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
38h 10m1 stop Istanbul
Turkish Airlines Logo
4:35 am - 8:25 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
28h 50m1 stop Istanbul
$1,111Turkish Airlines
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 $905. Prices are below average for this route right now, with typical round-trip fares ranging from $1,160 to $1,715. The lowest price found in the past 5 days was $905 on Ethiopian Air.

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, it 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 $978 round-trip.
•December ($1,884) and July ($1,521) 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.

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

Low season

August

Cheapest flight

$419
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to Singapore

When to book flights from Dulles Intl to Singapore

Are your dates flexible? Find out the best times to travel from Dulles Intl 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).

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

    Four cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Singapore:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • 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 $1,182 round-trip on average, while Friday is the most expensive at $1,616, a difference of $434. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Marina Bay Sands, Sentosa and Singapore National Stadium. 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 $1,333. Book 26 weeks before departure for the lowest fares.

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Singapore takes 0h 00m, covering 9,644 miles.

  • 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 $524, which is 23% below the typical average for this route.

  • How much time can I save by choosing a different layover airport 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 $59 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 $1,160 to $1,715, with an average of $1,333 over the past 12 months. Anything below $1,160 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 can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $1,182 - about $434 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 $978 round-trip in that month - typically $906 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
    - YOTELAIR Singapore Changi Airport
    - Changi Transit Hotel Terminal 1
  • 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 Dulles Intl to Singapore

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