Cheap flights from Singapore to Washington, D.C. from $489
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Mon 11/2
5:45 pm-6:30 pm
1 stop37h 45m
Washington, D.C. Dulles Intl
Tue 11/17
10:00 pm-9:55 pm
1 stop34h 55m
SingaporeWashington, D.C.
SIN Singapore Changi - DCA Washington, D.C. Reagan-National
SINDCA
Singapore Changi
Wed 11/4
2:20 am-9:00 pm
2 stops31h 40m
Washington, D.C. Reagan-National
Thu 11/12
6:00 am-12:50 am
2 stops29h 50m
SingaporeWashington, D.C.
SIN Singapore Changi - DCA Washington, D.C. Reagan-National
SINDCA
Singapore Changi
Tue 11/3
8:15 am-9:49 pm
2 stops26h 34m
Washington, D.C. Reagan-National
Tue 11/10
6:00 am-6:40 am
2 stops35h 40m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Mon 11/2
3:00 am-6:30 pm
2 stops28h 30m
Washington, D.C. Dulles Intl
Tue 11/10
10:00 pm-4:15 pm
1 stop29h 15m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Thu 11/19
3:00 am-6:30 pm
2 stops28h 30m
Washington, D.C. Dulles Intl
Fri 11/27
10:00 pm-4:15 pm
1 stop29h 15m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Mon 10/19
11:05 pm-11:30 am
1 stop24h 25m
Washington, D.C. Dulles Intl
Mon 11/2
10:20 pm-10:00 am
1 stop22h 40m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Mon 10/19
11:10 am-11:30 am
1 stop36h 20m
Washington, D.C. Dulles Intl
Mon 11/2
2:30 pm-10:00 am
1 stop30h 30m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Tue 11/3
10:20 pm-11:44 am
2 stops26h 24m
Washington, D.C. Dulles Intl
Tue 11/10
4:15 pm-8:00 am
1 stop26h 45m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Fri 11/20
10:20 pm-5:35 pm
2 stops32h 15m
Washington, D.C. Dulles Intl
Fri 11/27
11:10 am-6:55 am
1 stop30h 45m
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Sat 11/21
10:20 pm-1:28 pm
2 stops28h 08m
Washington, D.C. Dulles Intl
Sat 11/28
12:20 pm-6:55 am
1 stop29h 35m
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Singapore to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C.?
The month of October is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $1,079. If you’re not able to fly to Washington, D.C. in October, then February is your next best option. Flight prices from Singapore to Washington, D.C. during February average around $1,127.
Can stopping save me money on Singapore to Washington, D.C. flights?
You could potentially save up to 38% on your flight if you consider stops on a Singapore to Washington, D.C. flight.
What is the cheapest airline that flies from Singapore Changi to Washington, D.C.?
Etihad Airways, Air China, and Gulf Air are the most popular carriers operating from Singapore Changi to Washington, D.C.
What airlines fly to Washington, D.C.?
United Airlines, Air China and EVA Air are the top three most popular airlines that fly to Washington, D.C. from Singapore according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Singapore and Washington, D.C.?
Beijing (PEK) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Singapore to Washington, D.C.?
Flights via Incheon (ICN) offer the lowest average round-trip price of $941.
Which layover airport has the shortest travel time from Singapore to Washington, D.C.?
Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 22h 37m.
Which layover airport has the shortest connection time from Singapore to Washington, D.C.?
San Francisco (SFO) has the shortest average layover time for this route: 1h 32m.
When to book flights from Singapore to Washington, D.C.
Cheap Singapore to Washington, D.C. (SIN to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C.
Frequently asked questions about flying from Singapore to Washington, D.C.
How far is Singapore Changi to Washington, D.C. by plane?
There are 9651.2 mi between Singapore Changi and Washington, D.C.. In terms of flight time, this usually takes a little over 24h 25m.
When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C.?
Prices for flights from Singapore Changi Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Singapore Changi Airport to Washington, D.C.?
As of October 2026, there are 3 operators available to choose from for flights from Singapore Changi Airport to Washington, D.C..
How old do you have to be to fly from Singapore Changi Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Singapore to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Singapore to Washington, D.C. is United Airlines (100% of total bookings).
Best airlines flying from Singapore to Washington, D.C.
Compare and see reviews for airlines that fly from Singapore to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,079 | Free Cancellation | Rating 7.5 166 reviews | |||
| PriceFrom $1,188 | Free Cancellation | Rating 8.5 1,546 reviews | |||
| PriceFrom $1,219 | Free Cancellation | Rating 7.4 10,328 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Singapore to Washington, D.C.?
Finding the right flight to Washington, D.C. from Singapore is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.
Can I find flights from Singapore to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Washington, D.C. from Singapore with this policy.
How can momondo help me find flights from Singapore to Washington, D.C.?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Singapore to Washington, D.C..
I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Singapore to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.