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Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $554

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Singapore departing on 9/16. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
5:00 pm - 5:35 pm
DCA
-
SIN
36h 35m
1 stop
Singapore Airlines Logo
8:45 pm - 8:00 pm
SIN
-
DCA
35h 15m
1 stop
$1,202Singapore Airlines
Wed, Sep 16 - Tue, Oct 6
Singapore Airlines Logo
9:30 am - 7:40 am
DCA
-
SIN
34h 10m
1 stop
Singapore Airlines Logo
8:45 pm - 8:00 pm
SIN
-
DCA
36h 15m
1 stop
$1,210Singapore Airlines
Thu, Oct 15 - Wed, Nov 11
Singapore Airlines Logo
9:30 am - 5:15 am
DCA
-
SIN
31h 45m
1 stop
Singapore Airlines Logo
8:45 pm - 8:00 pm
SIN
-
DCA
35h 15m
1 stop
$1,212Singapore Airlines
Wed, Sep 9 - Wed, Sep 16
Air Canada Logo
8:40 pm - 5:15 am
DCA
-
SIN
68h 35m
2 stops
Air Canada Logo
8:50 am - 12:19 pm
SIN
-
DCA
39h 29m
2 stops
$1,217Air Canada
Tue, Oct 13 - Thu, Oct 29
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
52h 35m
2 stops
Air Canada Logo
8:50 am - 12:19 pm
SIN
-
DCA
39h 29m
2 stops
$1,220Air Canada
Mon, Oct 5 - Thu, Oct 29
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
28h 35m
2 stops
Air Canada Logo
7:00 am - 8:00 pm
SIN
-
DCA
25h 00m
2 stops
$1,228Air Canada
Tue, Sep 15 - Tue, Oct 13
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
52h 35m
2 stops
Air Canada Logo
8:50 am - 12:19 pm
SIN
-
DCA
39h 29m
2 stops
$1,245Air Canada
Thu, Oct 15 - Tue, Oct 27
Singapore Airlines Logo
5:04 pm - 5:35 pm
DCA
-
SIN
36h 31m
1 stop
Singapore Airlines Logo
8:45 pm - 8:00 pm
SIN
-
DCA
35h 15m
1 stop
$1,250Singapore Airlines
Wed, Oct 14 - Wed, Oct 28
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
55h 35m
2 stops
Air Canada Logo
7:00 am - 10:20 am
SIN
-
DCA
39h 20m
2 stops
$1,268Air Canada
Sat, Sep 19 - Sat, Oct 10
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
52h 35m
2 stops
Air Canada Logo
8:50 am - 12:19 pm
SIN
-
DCA
39h 29m
2 stops
$1,271Air Canada
Thu, Oct 15 - Sun, Oct 25

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
Cathay Pacific
Aug 28
DCA6:57 pmWashington, D.C. Reagan-National
28h 48m
2 stops
SIN11:45 amSingapore Changi
Sep 2
SIN1:45 amSingapore Changi
34h 13m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,459
Cathay Pacific
Aug 3
DCA7:08 pmWashington, D.C. Reagan-National
28h 37m
2 stops
SIN11:45 amSingapore Changi
Aug 17
SIN9:45 amSingapore Changi
26h 13m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,502
Cathay Pacific
May 2
DCA11:36 amWashington, D.C. Reagan-National
36h 09m
2 stops
SIN11:45 amSingapore Changi
May 18
SIN1:25 pmSingapore Changi
41h 40m
2 stops
DCA7:05 pmWashington, D.C. Reagan-National
$1,586

Japan Airlines flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Japan Airlines deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
Japan Airlines
Sep 14
DCA6:30 amWashington, D.C. Reagan-National
35h 40m
2 stops
SIN6:10 amSingapore Changi
Sep 16
SIN1:55 amSingapore Changi
28h 32m
2 stops
DCA6:27 pmWashington, D.C. Reagan-National
$1,511
Japan Airlines
Apr 26
DCA7:00 amWashington, D.C. Reagan-National
35h 10m
2 stops
SIN6:10 amSingapore Changi
May 3
SIN9:50 pmSingapore Changi
30h 55m
2 stops
DCA4:45 pmWashington, D.C. Reagan-National
$1,818

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/16

5:00 pm-5:35 pm

1 stop36h 35m

Singapore Changi

Tue 10/6

8:45 pm-8:00 pm

1 stop35h 15m

$1,202

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 10/15

9:30 am-7:40 am

1 stop34h 10m

Singapore Changi

Wed 11/11

8:45 pm-8:00 pm

1 stop36h 15m

$1,210

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/9

9:30 am-5:15 am

1 stop31h 45m

Singapore Changi

Wed 9/16

8:45 pm-8:00 pm

1 stop35h 15m

$1,212

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 10/13

8:40 pm-5:15 am

2 stops68h 35m

Singapore Changi

Thu 10/29

8:50 am-12:19 pm

2 stops39h 29m

$1,217

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 10/5

12:40 pm-5:15 am

2 stops52h 35m

Singapore Changi

Thu 10/29

8:50 am-12:19 pm

2 stops39h 29m

$1,220
Quickest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/15

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Tue 10/13

7:00 am-8:00 pm

2 stops25h 00m

$1,228

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 10/15

12:40 pm-5:15 am

2 stops52h 35m

Singapore Changi

Tue 10/27

8:50 am-12:19 pm

2 stops39h 29m

$1,245

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 10/14

5:04 pm-5:35 pm

1 stop36h 31m

Singapore Changi

Wed 10/28

8:45 pm-8:00 pm

1 stop35h 15m

$1,250

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 9/19

9:40 am-5:15 am

2 stops55h 35m

Singapore Changi

Sat 10/10

7:00 am-10:20 am

2 stops39h 20m

$1,268

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 10/15

12:40 pm-5:15 am

2 stops52h 35m

Singapore Changi

Sun 10/25

8:50 am-12:19 pm

2 stops39h 29m

$1,271

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Singapore

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

Can stopping save me money on Washington, D.C. Reagan-National Airport to Singapore flights?

You could potentially save up to 6% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Singapore flight.

Cheap Washington, D.C. Reagan-National Airport to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Singapore

Fastest flight time

24h 16m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Singapore takes 24h 16m
There are no direct flights from Washington, D.C. Reagan-National Airport to Singapore. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Singapore.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Singapore

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Singapore?

    Prices for flights from Washington, D.C. Reagan-National Airport to Singapore were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Singapore?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Singapore.

  • What documentation or ID do you need to fly to Singapore?

    The required travel and health documents for your Singapore 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 Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?

Finding the right flight to Singapore from Washington, D.C. 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 Singapore quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Singapore on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Singapore?

Once all potential Washington, D.C. to Singapore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from Washington, D.C. and alert you when they change.

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