SIN - IAD

$491 Find Cheap Flights from Singapore to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,019
Typical prices: $1,101-$1,518
Turkish Airlines
Sun 12/2Sun 12/9
SIN - IAD • 1 stop
Cheapest one-way
$491
Typical prices: $803-$1,062
Etihad Airways
Thu 12/20
SIN - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Singapore and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 22% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Abu Dhabi Zayed Intl (AUH)
Cheapest • Avg $1,002 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 49m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from Singapore to Dulles Intl

Wed, Dec 2 - Wed, Dec 9
Turkish Airlines Logo
11:15 pm - 7:25 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
33h 10m1 stop Istanbul
Turkish Airlines Logo
9:20 pm - 10:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
23h 40m1 stop Istanbul
$1,019Turkish Airlines
Thu, Nov 26 - Thu, Dec 3
Turkish Airlines Logo
5:10 am - 11:45 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
43h 35m1 stop Istanbul
Turkish Airlines Logo
9:20 pm - 6:50 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
44h 30m1 stop Istanbul
$1,058Turkish Airlines
Mon, Feb 1 - Tue, Feb 16
Air China Logo
12:50 am - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
30h 40m2 stops Shanghai Pu Dong Beijing Capital
Air China Logo
10:00 pm - 9:55 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
34h 55m1 stop Beijing Capital
$1,062Air China
Fri, Apr 16 - Wed, Apr 21
ANA Logo
10:00 pm - 10:05 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 05m1 stop Tokyo Haneda
ANA Logo
3:35 pm - 6:40 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
27h 05m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,112ANA
Wed, Mar 3 - Mon, Mar 8
ANA Logo
10:20 pm - 11:52 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 32m2 stops Tokyo Haneda Chicago O'Hare Intl
ANA Logo
11:15 am - 6:55 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 40m1 stop Tokyo Haneda
$1,113ANA
Mon, Nov 30 - Fri, Dec 4
Air China Logo
11:55 pm - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
31h 35m1 stop Beijing Capital
Air China Logo
10:00 pm - 4:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
29h 15m1 stop Beijing Capital
$1,144Air China
Mon, Dec 14 - Tue, Dec 22
Air China Logo
3:00 am - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
28h 30m2 stops Shenzhen Beijing Capital
Air China Logo
10:00 pm - 4:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
29h 15m1 stop Beijing Capital
$1,214Air China
Thu, Nov 26 - Thu, Dec 3
United Airlines Logo
10:20 pm - 11:44 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 24m2 stops San Francisco Newark
United Airlines Logo
5:40 pm - 8:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
25h 20m1 stop San Francisco
$1,278United Airlines
Wed, Apr 28 - Mon, Aug 23
United Airlines Logo
8:35 pm - 4:14 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
31h 39m2 stops San Francisco Newark
United Airlines Logo
10:10 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
32h 25m1 stop San Francisco
$1,291United Airlines
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
10:20 pm - 5:32 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
32h 12m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
12:20 pm - 6:55 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
29h 35m1 stop Tokyo Haneda
$1,309United Airlines
Booking Insights

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

Round-trip flights from Singapore to Washington, D.C. Dulles Intl Airport typically range from $1,101 to $1,518. The lowest price found in the past 5 days was $1,019, on Turkish Airlines.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Singapore to Washington, D.C. Dulles Intl Airport. It’s 19% cheaper than the average day, while Sunday is the most expensive, with prices 23% higher.

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

•February is the cheapest month to fly from Singapore to Washington, D.C. Dulles Intl Airport at $1,022 round-trip.
•June ($1,510) and April ($1,503) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 47% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

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

Low season

September

Cheapest flight

$491
Beat the crowds with an average 49% drop in travelers.
The most popular month to fly with an average 103% increase in travelers.
One-way flight from Singapore to Washington, D.C. Dulles Intl Airport

When to book flights from Singapore to Dulles Intl

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

Your Singapore to Washington, D.C. Dulles Intl Airport 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 Singapore to Washington, D.C. Dulles Intl Airport?

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

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

    Prices vary by airline.

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

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

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

    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 Singapore to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Singapore to Washington, D.C. Dulles Intl Airport range from $1,101 to $1,518, with an average of $1,318 over the past 12 months. Anything below $1,101 counts as a good deal.

  • Have flight prices from Singapore to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,019 to $9,815. That means the highest observed fare was about 10x higher than the lowest one.

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

    One-way fares from Singapore to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $904, which is 5% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

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

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

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

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

    • San Francisco (SFO) - 17% of one-stop connections
    • Tokyo Haneda (HND) - 16% of one-stop connections
    • Istanbul (IST) - 16% of one-stop connections
    • Incheon Intl (ICN) - 12% of one-stop connections

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

    Yes. Flexible dates can save you up to 34% on flights from Singapore to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $1,079 round-trip on average, while Sunday is the most expensive at $1,629, a difference of $550.

    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 Singapore to Washington, D.C. Dulles Intl Airport?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 21h 49m, compared with 23h 13m via Dubai Intl (DXB) and 23h 49m via San Francisco (SFO).

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

    Washington, D.C. Dulles Intl Airport is 13 hours behind Singapore (Eastern Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Singapore to Washington, D.C. Dulles Intl Airport 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 Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $1,079, about $550 less than Sunday fares (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Singapore to Washington, D.C. Dulles Intl Airport trip for February. Fares historically average $1,022 round-trip in that month - typically $488 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Singapore to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

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