SIN - IAD

$459 Find Cheap Flights from Singapore to Washington Dulles Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$802
Typical prices: $1,128-$1,512
Air China
Tue 10/23Tue 10/30
SIN - IAD • 1 stop
Cheapest one-way
$459
Typical prices: $708-$1,030
Air China
Fri 9/28
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 • 24% 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

Fri, Oct 23 - Fri, Oct 30
Air China Logo
9:00 am - 7:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
22h 30m1 stop Beijing Capital
Air China Logo
11:00 pm - 6:50 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
43h 50m1 stop Beijing Capital
$802Air China
Thu, Oct 15 - Fri, Oct 30
Air China Logo
11:25 pm - 7:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
32h 05m1 stop Beijing Capital
Air China Logo
11:00 pm - 9:55 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
34h 55m1 stop Beijing Capital
$919Air China
Thu, Oct 15 - Fri, Oct 23
Air China Logo
11:25 pm - 7:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
32h 05m1 stop Beijing Capital
Air China Logo
11:00 pm - 6:50 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
43h 50m1 stop Beijing Capital
$980Air China
Mon, Nov 2 - Thu, Nov 5
Multiple Airlines Logo
11:55 pm - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
31h 35m1 stop Beijing Capital
Multiple Airlines Logo
2:35 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 00m1 stop Abu Dhabi Zayed Intl
$1,051Multiple Airlines
Mon, Oct 26 - Mon, Nov 9
Multiple Airlines Logo
5:45 pm - 7:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Beijing Capital
Multiple Airlines Logo
11:50 am - 8:25 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
43h 35m1 stop Incheon Intl
$1,061Multiple Airlines
Mon, Oct 26 - Mon, Nov 9
Multiple Airlines Logo
5:45 pm - 7:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Beijing Capital
Multiple Airlines Logo
12:35 pm - 8:25 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
42h 50m2 stops New York John F Kennedy Intl Incheon Intl
$1,072Multiple Airlines
Fri, Oct 9 - Sun, Oct 25
United Airlines Logo
8:45 am - 12:58 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
28h 13m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
12:15 pm - 6:55 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 40m1 stop Tokyo Haneda
$1,234United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
8:35 pm - 11:55 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
27h 20m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
12:35 pm - 6:40 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 05m1 stop Tokyo Haneda
$1,234United Airlines
Thu, Dec 3 - Wed, Dec 23
EVA Air Logo
3:45 pm - 8:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
42h 10m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:55 pm - 2:30 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
$1,574EVA Air
Fri, Feb 5 - Sat, Feb 6
EVA Air Logo
1:15 pm - 8:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:55 pm - 12:05 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
23h 10m1 stop Taipei City Taiwan Taoyuan Intl
$6,290EVA Air
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 from Singapore to Washington, D.C. Dulles Intl Airport 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 start at $802. Prices are below average for this route right now, with typical round-trip fares ranging from $1,128 to $1,512. The lowest price found in the past 5 days was $802 on Air China.

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

Thursday is the cheapest day of the week to fly from Singapore to Washington, D.C. Dulles Intl Airport, it is 19% cheaper than the average day. Sunday 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 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

March

Cheapest flight

$459
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 13% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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:

    • Istanbul (IST) - 20% of one-stop connections
    • San Francisco (SFO) - 18% of one-stop connections
    • Doha Hamad Intl (DOH) - 16% of one-stop connections
    • Incheon Intl (ICN) - 11% of one-stop connections

    Istanbul (IST) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 34% on the Singapore to Washington, D.C. Dulles Intl Airport route. Thursday is the cheapest departure day at $1,089 round-trip on average, while Sunday is the most expensive at $1,629, a difference of $540. 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 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.

  • 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 0h 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 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 in line with typical prices for this route. Average one-way fares are about $942.

  • 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 48m 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 12 hours behind Singapore (Eastern Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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 starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • 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 $1,128 to $1,512, with an average of $1,342 over the past 12 months. Anything below $1,128 counts as a good deal.

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 can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $1,089 - about $540 less than Sunday (33% 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

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