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Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $519

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 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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.
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
7:00 am - 10:20 am
SIN
-
DCA
39h 20m
2 stops
$1,104Air Canada
Thu, Sep 10 - Thu, Sep 17
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
28h 35m
2 stops
Air Canada Logo
7:00 am - 9:48 pm
SIN
-
DCA
26h 48m
2 stops
$1,111Air Canada
Tue, Aug 4 - Tue, Aug 18
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
28h 35m
2 stops
Air Canada Logo
7:00 am - 10:31 pm
SIN
-
DCA
27h 31m
2 stops
$1,115Air Canada
Tue, Aug 4 - Tue, Aug 11
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
28h 35m
2 stops
Air Canada Logo
8:10 am - 10:20 am
SIN
-
DCA
38h 10m
2 stops
$1,117Air Canada
Thu, Aug 27 - Wed, Sep 9
Air Canada Logo
12:55 pm - 7:00 am
DCA
-
SIN
29h 05m
2 stops
Air Canada Logo
8:30 am - 6:07 pm
SIN
-
DCA
46h 37m
2 stops
$1,122Air Canada
Thu, Nov 12 - Wed, Nov 18
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
28h 35m
2 stops
Air Canada Logo
11:55 pm - 9:48 pm
SIN
-
DCA
33h 53m
2 stops
$1,123Air Canada
Thu, Aug 13 - Wed, Aug 26
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
6:15 am - 9:48 pm
SIN
-
DCA
27h 33m
2 stops
$1,126Air Canada
Tue, Aug 4 - Wed, Aug 19
Air Canada Logo
6:00 am - 7:00 am
DCA
-
SIN
36h 00m
2 stops
Air Canada Logo
8:30 am - 8:57 am
SIN
-
DCA
37h 27m
2 stops
$1,128Air Canada
Wed, Nov 11 - Mon, Nov 16
Air Canada Logo
6:59 am - 5:00 am
DCA
-
SIN
34h 01m
2 stops
Air Canada Logo
10:50 pm - 10:34 pm
SIN
-
DCA
35h 44m
2 stops
$1,136Air Canada
Wed, Sep 16 - Wed, Sep 30
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
7:00 am - 10:18 am
SIN
-
DCA
39h 18m
2 stops
$1,141Air Canada
Sun, Aug 23 - Thu, Sep 3

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Air Canada flights from Washington, D.C. Reagan-National Airport to Singapore

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
Air Canada
Sep 10
DCA9:40 amWashington, D.C. Reagan-National
31h 35m
2 stops
SIN5:15 amSingapore Changi
Sep 17
SIN7:00 amSingapore Changi
39h 20m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,104
Air Canada
Aug 4
DCA12:40 pmWashington, D.C. Reagan-National
28h 35m
2 stops
SIN5:15 amSingapore Changi
Aug 18
SIN7:00 amSingapore Changi
26h 48m
2 stops
DCA9:48 pmWashington, D.C. Reagan-National
$1,111
Air Canada
Aug 4
DCA12:40 pmWashington, D.C. Reagan-National
28h 35m
2 stops
SIN5:15 amSingapore Changi
Aug 11
SIN7:00 amSingapore Changi
27h 31m
2 stops
DCA10:31 pmWashington, D.C. Reagan-National
$1,115

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

Our best Finnair deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
Finnair
Jun 23
DCA11:59 amWashington, D.C. Reagan-National
42h 31m
2 stops
SIN6:30 pmSingapore Changi
Jul 7
SIN9:35 pmSingapore Changi
35h 56m
2 stops
DCA9:31 pmWashington, D.C. Reagan-National
$1,681
Finnair
Jun 18
DCA11:59 amWashington, D.C. Reagan-National
42h 31m
2 stops
SIN6:30 pmSingapore Changi
Jul 9
SIN9:35 pmSingapore Changi
35h 56m
2 stops
DCA9:31 pmWashington, D.C. Reagan-National
$1,711
Finnair
Jun 23
DCA11:59 amWashington, D.C. Reagan-National
42h 31m
2 stops
SIN6:30 pmSingapore Changi
Jul 7
SIN9:35 pmSingapore Changi
35h 56m
2 stops
DCA9:31 pmWashington, D.C. Reagan-National
$1,756

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 June 14, 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

Thu 9/10

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Thu 9/17

7:00 am-10:20 am

2 stops39h 20m

$1,104
Quickest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 8/4

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Tue 8/18

7:00 am-9:48 pm

2 stops26h 48m

$1,111

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 8/4

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Tue 8/11

7:00 am-10:31 pm

2 stops27h 31m

$1,115

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 8/27

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Wed 9/9

8:10 am-10:20 am

2 stops38h 10m

$1,117

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 11/12

12:55 pm-7:00 am

2 stops29h 05m

Singapore Changi

Wed 11/18

8:30 am-6:07 pm

2 stops46h 37m

$1,122

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 8/13

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Wed 8/26

11:55 pm-9:48 pm

2 stops33h 53m

$1,123

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 8/4

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Wed 8/19

6:15 am-9:48 pm

2 stops27h 33m

$1,126

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/11

6:00 am-7:00 am

2 stops36h 00m

Singapore Changi

Mon 11/16

8:30 am-8:57 am

2 stops37h 27m

$1,128

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/16

6:59 am-5:00 am

2 stops34h 01m

Singapore Changi

Wed 9/30

10:50 pm-10:34 pm

2 stops35h 44m

$1,136

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/23

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Thu 9/3

7:00 am-10:18 am

2 stops39h 18m

$1,141

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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