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SIN - IAD

$598 Find cheap flights from Singapore to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Singapore to Dulles Intl departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
jue. 6/27
jue. 7/4

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to Washington, D.C., as well as popular online travel agencies
In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Cheap flight deals from Singapore to Dulles Intl (SIN-IAD)

 
These are the cheapest deals for flights from Singapore to Dulles Intl currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Singapore to Dulles Intl

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Singapore to Dulles Intl.

Recent one-way flight deals from Singapore to Dulles Intl

Only flying one-way? Below are some of the best one-way flight deals from Singapore to Dulles Intl found on KAYAK recently.

Recent last minute flight deals from Singapore to Dulles Intl

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Singapore to Dulles Intl.

Recent direct flight deals from Singapore to Dulles Intl

The latest deals for direct flights from Singapore to Dulles Intl so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Singapore to Dulles Intl

Find recent round-trip train or bus tickets from Singapore to Dulles Intl.

All round-trip flight deals to Dulles Intl

The cheapest plane tickets to Dulles Intl found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:15 pm - 3:45 pmSIN-IAD
34h 30m1 stop
7:10 pm - 3:45 pmIAD-SIN
56h 35m1 stop
$969SAUDIA
Find Deal
sáb., sep. 14 - dom., sep. 22
11:05 am - 3:50 pmSIN-IAD
40h 45m1 stop
10:10 pm - 6:40 amIAD-SIN
44h 30m2 stops
$970United Airlines
Find Deal
mar., jun. 25 - mar., jul. 2
5:15 pm - 3:45 pmSIN-IAD
34h 30m1 stop
7:10 pm - 3:45 pmIAD-SIN
32h 35m1 stop
$972SAUDIA
Find Deal
sáb., ago. 3 - sáb., ago. 17
11:25 pm - 2:45 pmSIN-IAD
27h 20m1 stop
4:40 pm - 8:45 amIAD-SIN
28h 05m1 stop
$1,166Turkish Airlines
Find Deal
mar., jun. 25 - mar., jul. 2
11:25 pm - 3:55 pmSIN-IAD
28h 30m1 stop
10:20 pm - 5:05 pmIAD-SIN
29h 45m1 stop
$1,169Lufthansa
Find Deal
mar., oct. 22 - lun., dic. 2
9:50 pm - 4:32 pmSIN-IAD
30h 42m2 stops
6:55 am - 12:20 amIAD-SIN
29h 25m2 stops
$1,170American Airlines
Find Deal
sáb., sep. 14 - dom., sep. 22
11:25 pm - 2:45 pmSIN-IAD
27h 20m1 stop
9:50 pm - 8:45 amIAD-SIN
22h 55m1 stop
$1,174Turkish Airlines
Find Deal
lun., jul. 8 - dom., jul. 14
1:50 am - 11:24 pmSIN-IAD
33h 34m2 stops
6:00 am - 6:15 amIAD-SIN
36h 15m2 stops
$1,198American Airlines
Find Deal
lun., jun. 24 - mar., jul. 2
11:25 pm - 1:30 pmSIN-IAD
26h 05m2 stops
10:20 pm - 4:50 pmIAD-SIN
29h 30m2 stops
$1,234Lufthansa
Find Deal
lun., oct. 21 - lun., dic. 2
11:20 pm - 8:30 pmSIN-IAD
33h 10m1 stop
10:45 pm - 4:05 pmIAD-SIN
29h 20m1 stop
$1,345British Airways
Find Deal
jue., ago. 8 - sáb., ago. 24
4:15 pm - 3:10 pmSIN-IAD
34h 55m1 stop
$598Air China
Find Deal
lun., oct. 21
11:25 pm - 2:45 pmSIN-IAD
27h 20m1 stop
$673Turkish Airlines
Find Deal
dom., jun. 23
11:25 pm - 2:45 pmSIN-IAD
27h 20m1 stop
$680Turkish Airlines
Find Deal
lun., jun. 24
8:45 pm - 7:55 pmSIN-IAD
35h 10m2 stops
lun., jun. 24
2:00 pm - 10:30 amSIN-IAD
32h 30m3 stops
lun., jun. 24
5:15 pm - 3:45 pmSIN-IAD
82h 30m1 stop
$809SAUDIA
Find Deal
sáb., ago. 24
7:30 pm - 8:40 amSIN-IAD
49h 10m2 stops
$822Emirates
Find Deal
dom., jun. 23
12:20 pm - 8:40 amSIN-IAD
56h 20m2 stops
$861Emirates
Find Deal
sáb., jun. 8
8:45 am - 12:49 amSIN-IAD
28h 04m1 stop
$981United Airlines
Find Deal
jue., ago. 15
8:45 am - 7:29 amSIN-IAD
34h 44m2 stops
$1,040United Airlines
Find Deal
jue., ago. 15

Flights from Singapore to Dulles Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Singapore to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Singapore to Washington Dulles Airport?

The average price of all flights from Singapore to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Washington Dulles Airport on a Tuesday and more expensive on a Monday. On your return trip to Singapore, you should consider flying back on a Wednesday, and avoid Mondays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Singapore to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Singapore to Washington, D.C. Dulles Intl Airport is November, where tickets cost $1,098 on average. On the other hand, the most expensive months are July and December, where the average cost of tickets is $1,654 and $1,643 respectively.

How far in advance should I book a flight from Singapore to Washington, D.C. Dulles Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Singapore to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Singapore to Washington, D.C. Dulles Intl Airport, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 77 days before departure.

Which airlines provide the cheapest flights from Singapore to Washington Dulles Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Washington Dulles Airport from Singapore were found on Air China ($598) and Turkish Airlines ($673), and the lowest round-trip tickets were found on SAUDIA ($969) and United Airlines ($970).

Good to know

Low season

February

High season

December

Cheapest flight

$598
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Singapore to Washington Dulles 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Singapore to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Singapore to Washington, D.C. Dulles Intl Airport was $598 for a one-way ticket and $969 for a round-trip.

  • Do I need a passport to fly between Singapore and Washington Dulles Airport?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Singapore and on arrival in Washington Dulles Airport.

  • Which aircraft models fly most regularly from Singapore to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Singapore to Washington Dulles Airport?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Singapore and Washington Dulles Airport, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Singapore to Washington, D.C., United Airlines or British Airways?

    The two airlines most popular with KAYAK users for flights from Singapore to Washington, D.C. are United Airlines and British Airways. With an average price for the route of $1,348 and an overall rating of 7.4, United Airlines is the most popular choice. British Airways is also a great choice for the route, with an average price of $1,389 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Singapore to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Singapore to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Singapore to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Singapore is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Singapore to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Singapore with another airline. Booking your flights between Singapore and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Singapore to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Singapore to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Singapore to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Singapore to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 10799 reviews
7.2Comfort
6.7Food
7.7Boarding
7.1Entertainment
8.1Crew
Airline reviews

Boarding was terrible. My wife uses a wheel chair and she was in an incredibly hot closed metal cargo box for close to 20 minutes before getting on board

8.0 ExcellentPaul, May 2024SJO - IAD
Read more about United Airlines reviews

Boarding was terrible. My wife uses a wheel chair and she was in an incredibly hot closed metal cargo box for close to 20 minutes before getting on board

Only water and pretzels served on six hour flight. Did not see crew rest of flight. No video screens and so no wired audio. Poor sound on plan so did not understand anything said by crew. This is a safety issue. Electrical socket did not retain charging block so could not charge phone. No video screen so could not watch movies. Phone is not a substitute.

The food that was offered based on class level of your ticket was absolutely ridiculous and disgusting. They didn't even hot tea to serve, the food was horrible. On our departure flight I was seated in premium plus economy and considering the cost of the flight the food was literally some of the worst I've ever eaten. On the return flight I sat in economy with extra leg room and was given a thin little throw "blanket" and a flimsy little pillow. The air condition was on artic and the seating arrangement wasn't really worth the money. The seat didn't recline good enough and the foot rest was laughable. Total waste.

All flights were on time and boarding was issue free

Water service would be great. The way they board is terrible. Slow passengers first😂😂 They need to smart up a bit

I like the non stop flight to Lagos. The cabin crew were great, the food was alright and the ride was smooth. The downside is there wasn’t wifi connection from Lagos to Washington as stated. The 11hrs flight, became boring at times because of no wifi.

It got me where I needed it to; not much more. It had no competition so that was why I chose it.

Plane didn’t even make it off the ground. We all had to get off and walk to a different terminal (lots of confusion) to get on a different plane. Landed fairly late, connections missed.

One of the best flying experiences I’ve ever had.

The flight cancellation and process for getting a new flight was not that clear. United also had some delays that were unexpected. I am the most disappointed by the fact that I originally bought a Lufthansa ticket, only to be flown by United.

Is it American Airlines or British Airways? This is so confusing. I got it from Portugal.

Appreciate free wine and entertainment plus good meals. Also leg room

Really quick check in and security at Heathrow Terminal 5. Staff on board were lovely and very friendly. Could have provided a few more drinks on the flight but they were available at the back of the plane.

they are improving. The crew from Charlotte to Tampa was outstanding. SMILING and trying to be helpful with the customers.

It was a flight operated by Aer Linus for BA and the plane and crew were very good but the food selection was average.

I like the food this time compared to my departure. I’m seated at the isle so it’s comfortable but I have to pay $124 for seat selection

Flight delayed an hour due to plane maintenance issues after getting in line to board. Issue was plane galley ovens which eliminated hot meals for overseas flight. Cold selections were limited due to availability. Drink and meal service (already an hour delayed) was very slow. Upon arrival in Nashville, had to sit at gate for about 15 minutes before disembarking with no explanation. Local police then boarded plane as we were disembarking so maybe that was the issue.

Leg space was not enough. The meal was not satisfactory.

Boarding good. Seats uncomfortable when lie flat. Food was awful. Tasted stale and chicken was dry. No live tv or flight map. Had to pay for internet.

Poor technical details on this plane. 1) There was no WiFi on an 8 hour long-haul flight. So no work could be done. That's below the standard expected for airlines these days. 2) The power outlet at my seat was busted and not working. 3) The headphone jack was loose and I had to keep adjusting my headphones to get good reception, or when it slipped out. - The flight was delayed to due mechanics. Sometimes this can't be avoided, I understand, and it's a big inconvenience to arrive that much later when traveling across time zones (then arriving at 4am from the prior time zone). - Also unique to this flight, the northern lights were visible on the right side of the aircraft, but I only found out after we landed (b/c again no wifi). I understand there are considerations about people being out of their seats to look, but I feel extremely disappointed and resentful that I wasn't told so that I could have a chance to look at this probably once-in-a-lifetime cosmic event from a view in the sky. - Flight crew was otherwise friendly and helpful.

Book cheap flights from Singapore to Washington, D.C.

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Singapore to Washington, D.C. found on KAYAK in the last 72 hours.
10/21lun.
1 stopAir China
34h 55mSIN-IAD
$598
6/23dom.
1 stopTurkish Airlines
27h 20mSIN-IAD
$673
6/24lun.
1 stopTurkish Airlines
27h 20mSIN-IAD
$680
6/24lun.
2 stops
35h 10mSIN-IAD
$784
6/24lun.
3 stops
32h 30mSIN-IAD
$797
8/24sáb.
1 stopSAUDIA
82h 30mSIN-IAD
$809
6/23dom.
2 stopsEmirates
49h 10mSIN-IAD
$822
6/8sáb.
2 stopsEmirates
56h 20mSIN-IAD
$861
8/15jue.
1 stopUnited Airlines
28h 04mSIN-IAD
$981
8/15jue.
2 stopsUnited Airlines
34h 44mSIN-IAD
$1,040

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Singapore - Washington Dulles Airport Flights

Departure:

Singapore (SIN)Singapore

Destination:

Washington Dulles Airport (IAD)United States

Return flight deals:

Washington Dulles Airport - Singapore

Cabin classes: