IAD - SIN

$469 Find Cheap Flights from Washington Dulles Airport to Singapore - Compare and Save

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Everything you should know

Cheapest round-trip
$1,166
Typical prices: $1,153-$1,713
Ethiopian Air
Sat 4/7Fri 4/20
IAD - SIN • 2 stops
Cheapest one-way
$458
Typical prices: $595-$909
Multiple Airlines
Sun 11/18
IAD - SIN • 3 stops
Nonstop 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
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 26% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Jeddah King Abdulaziz Intl (JED)
Cheapest • Avg $852 (round-trip)
Dubai Intl (DXB)
Shortest trip • 23h 13m (one-way)
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Insights
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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

Wed, Apr 7 - Tue, Apr 20
Ethiopian Air Logo
9:20 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
29h 30m2 stops Lome Addis Ababa Bole
Ethiopian Air Logo
2:00 am - 7:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
29h 30m2 stops Addis Ababa Bole Lome
$1,166Ethiopian Air
Wed, Feb 3 - Mon, Feb 15
Turkish Airlines Logo
9:20 pm - 6:50 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
44h 30m1 stop Istanbul
Turkish Airlines Logo
11:40 am - 11:45 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 05m1 stop Istanbul
$1,167Turkish Airlines
Fri, Jan 8 - Wed, Jan 13
Turkish Airlines Logo
1:30 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 15m1 stop Istanbul
Turkish Airlines Logo
11:40 am - 11:45 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 05m1 stop Istanbul
$1,167Turkish Airlines
Fri, Jan 29 - Mon, Feb 22
Korean Air Logo
11:50 am - 8:25 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
43h 35m1 stop Incheon Intl
Korean Air Logo
10:30 pm - 5:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
32h 00m2 stops Incheon Intl New York John F Kennedy Intl
$1,171Korean Air
Sun, Nov 22 - Sun, Dec 13
Delta Logo
6:00 am - 5:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
34h 00m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
10:30 am - 11:36 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 06m2 stops Incheon Intl Minneapolis St Paul
$1,172Delta
Wed, Apr 7 - Wed, Apr 21
Korean Air Logo
10:05 am - 5:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
10:00 pm - 11:15 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 15m1 stop Incheon Intl
$1,173Korean Air
Mon, Jan 25 - Sun, Feb 28
Qatar Airways Logo
8:05 pm - 10:30 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
25h 25m2 stops Doha Hamad Intl Kuala Lumpur Intl
Qatar Airways Logo
9:20 pm - 3:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
31h 35m2 stops Kuala Lumpur Intl Doha Hamad Intl
$1,183Qatar Airways
Wed, Dec 30 - Wed, Jan 13
Etihad Airways Logo
2:25 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 10m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 pm - 9:00 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 35m1 stop Abu Dhabi Zayed Intl
$1,196Etihad Airways
Sat, Nov 14 - Wed, Dec 2
Qatar Airways Logo
8:05 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
23h 40m1 stop Doha Hamad Intl
Qatar Airways Logo
7:30 pm - 3:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
33h 25m2 stops Kuala Lumpur Intl Doha Hamad Intl
$1,208Qatar Airways
Tue, Nov 10 - Sun, Nov 22
Etihad Airways Logo
2:25 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 10m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 pm - 9:00 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 35m1 stop Abu Dhabi Zayed Intl
$1,218Etihad Airways
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 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 typically range from $1,153 to $1,713. The lowest price found in the past 5 days was $1,166, on Ethiopian Air.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Singapore. It’s 11% cheaper than the average day, while Friday is the most expensive, with prices 29% higher.

What’s 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 $970 round-trip.
•December ($1,930) and June ($1,538) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 98% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. Dulles Intl Airport to Singapore are cheapest 14 weeks before departure. Booking in this window typically costs about 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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

Low season

August

Cheapest flight

$458
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 96% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

  • 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 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 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 $1,153 to $1,713, with an average of $1,314 over the past 12 months. Anything below $1,153 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 6% above the $1,314 route average. Book 14 weeks before departure for the lowest fares.

  • 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 in line with typical prices for this route. Average one-way fares are about $714.

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

    Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates averaging $106 for economy cars. Top options include:

    • Avis
    • Sixt
    • Thrifty
    • Hertz
    • Europcar

  • 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 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) - 39% of one-stop connections
    • Istanbul (IST) - 26% of one-stop connections
    • San Francisco (SFO) - 12% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 10% of one-stop connections

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

    Yes. Flexible dates can save you up to 32% on flights from Washington, D.C. Dulles Intl Airport to Singapore. Monday is the cheapest departure day at $1,170 round-trip on average, while Friday is the most expensive at $1,698, a difference of $528.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 45m via Taipei City Taiwan Taoyuan Intl (TPE) and 24h 19m 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 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.

  • 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.

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 and avoid flying on Friday. On this route, Monday flights average $1,170, about $528 less than Friday fares (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 27% 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 $970 round-trip in that month - typically $960 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

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