Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $426

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 4/15. 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.
Cathay Pacific Logo
6:59 pm - 11:45 am
DCA
-
SIN
28h 46m
2 stops
Cathay Pacific Logo
8:05 pm - 10:59 pm
SIN
-
DCA
38h 54m
2 stops
$1,033Cathay Pacific
Sun, Apr 12 - Tue, May 5
Cathay Pacific Logo
6:37 pm - 11:55 am
DCA
-
SIN
28h 18m
2 stops
Cathay Pacific Logo
1:25 am - 10:59 pm
SIN
-
DCA
33h 34m
2 stops
$1,058Cathay Pacific
Wed, Mar 4 - Tue, Mar 10
Cathay Pacific Logo
6:59 pm - 11:45 am
DCA
-
SIN
28h 46m
2 stops
Cathay Pacific Logo
1:45 am - 10:59 pm
SIN
-
DCA
33h 14m
2 stops
$1,083Cathay Pacific
Fri, Apr 24 - Thu, Apr 30
Cathay Pacific Logo
11:36 am - 5:30 am
DCA
-
SIN
29h 54m
2 stops
Cathay Pacific Logo
8:05 pm - 11:59 pm
SIN
-
DCA
39h 54m
2 stops
$1,087Cathay Pacific
Sun, Apr 12 - Tue, May 5
Multiple Airlines Logo
9:35 am - 1:05 pm
DCA
-
SIN
38h 30m
2 stops
Multiple Airlines Logo
7:40 am - 8:05 pm
SIN
-
DCA
24h 25m
2 stops
$1,091Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Cathay Pacific Logo
9:35 am - 5:40 am
DCA
-
SIN
31h 05m
2 stops
Cathay Pacific Logo
7:40 am - 6:55 pm
SIN
-
DCA
23h 15m
2 stops
$1,105Cathay Pacific
Wed, Mar 4 - Fri, Mar 13
Cathay Pacific Logo
6:37 pm - 11:55 am
DCA
-
SIN
29h 18m
2 stops
Cathay Pacific Logo
8:05 pm - 10:59 pm
SIN
-
DCA
38h 54m
2 stops
$1,108Cathay Pacific
Sat, Mar 21 - Tue, May 5
Japan Airlines Logo
8:00 am - 12:50 am
DCA
-
SIN
27h 50m
2 stops
Japan Airlines Logo
8:15 am - 9:59 pm
SIN
-
DCA
26h 44m
2 stops
$1,116Japan Airlines
Tue, Feb 10 - Wed, Feb 18
Multiple Airlines Logo
5:50 pm - 8:00 am
DCA
-
SIN
25h 10m
1 stop
Multiple Airlines Logo
10:10 am - 9:39 pm
SIN
-
DCA
24h 29m
1 stop
$1,126Multiple Airlines
Tue, Feb 17 - Wed, Feb 25
United Airlines Logo
4:11 pm - 8:00 am
DCA
-
SIN
26h 49m
2 stops
United Airlines Logo
10:20 pm - 11:35 am
SIN
-
DCA
26h 15m
2 stops
$1,127United Airlines
Tue, Feb 17 - Wed, Feb 25

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
United Airlines
Feb 17
DCA3:10 pmWashington, D.C. Reagan-National
27h 50m
2 stops
SIN8:00 amSingapore Changi
Feb 25
SIN10:10 amSingapore Changi
24h 29m
1 stop
DCA9:39 pmWashington, D.C. Reagan-National
$1,127
United Airlines
Jul 27
DCA2:00 pmWashington, D.C. Reagan-National
28h 40m
2 stops
SIN6:40 amSingapore Changi
Aug 25
SIN8:45 amSingapore Changi
25h 08m
1 stop
DCA9:53 pmWashington, D.C. Reagan-National
$1,136
United Airlines
Jul 27
DCA3:30 pmWashington, D.C. Reagan-National
27h 10m
2 stops
SIN6:40 amSingapore Changi
Aug 25
SIN8:35 pmSingapore Changi
26h 09m
2 stops
DCA10:44 amWashington, D.C. Reagan-National
$1,141

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

Our best ANA deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
ANA
Jul 27
DCA3:30 pmWashington, D.C. Reagan-National
27h 10m
2 stops
SIN6:40 amSingapore Changi
Aug 18
SIN10:10 pmSingapore Changi
34h 33m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$1,247
ANA
Feb 9
DCA8:25 amWashington, D.C. Reagan-National
27h 30m
2 stops
SIN12:55 amSingapore Changi
Feb 25
SIN10:10 amSingapore Changi
24h 29m
1 stop
DCA9:39 pmWashington, D.C. Reagan-National
$6,266
ANA
Feb 10
DCA2:00 pmWashington, D.C. Reagan-National
27h 55m
2 stops
SIN6:55 amSingapore Changi
Feb 16
SIN10:10 amSingapore Changi
24h 29m
1 stop
DCA9:39 pmWashington, D.C. Reagan-National
$7,199

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 February 4, 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

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

6:59 pm-11:45 am

2 stops28h 46m

Singapore Changi

Tue 5/5

8:05 pm-10:59 pm

2 stops38h 54m

$1,033

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/4

6:37 pm-11:55 am

2 stops28h 18m

Singapore Changi

Tue 3/10

1:25 am-10:59 pm

2 stops33h 34m

$1,058

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 4/24

6:59 pm-11:45 am

2 stops28h 46m

Singapore Changi

Thu 4/30

1:45 am-10:59 pm

2 stops33h 14m

$1,083

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

11:36 am-5:30 am

2 stops29h 54m

Singapore Changi

Tue 5/5

8:05 pm-11:59 pm

2 stops39h 54m

$1,087

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 3/2

9:35 am-1:05 pm

2 stops38h 30m

Singapore Changi

Mon 3/9

7:40 am-8:05 pm

2 stops24h 25m

$1,091

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 3/4

9:35 am-5:40 am

2 stops31h 05m

Singapore Changi

Fri 3/13

7:40 am-6:55 pm

2 stops23h 15m

$1,105

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 3/21

6:37 pm-11:55 am

2 stops29h 18m

Singapore Changi

Tue 5/5

8:05 pm-10:59 pm

2 stops38h 54m

$1,108

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 2/10

8:00 am-12:50 am

2 stops27h 50m

Singapore Changi

Wed 2/18

8:15 am-9:59 pm

2 stops26h 44m

$1,116

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 2/17

5:50 pm-8:00 am

1 stop25h 10m

Singapore Changi

Wed 2/25

10:10 am-9:39 pm

1 stop24h 29m

$1,126

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 2/17

4:11 pm-8:00 am

2 stops26h 49m

Singapore Changi

Wed 2/25

10:20 pm-11:35 am

2 stops26h 15m

$1,127

Flights are sorted by cheapest round-trip flights first.

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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 7% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Singapore flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Singapore (DCA to SIN) 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

28h 18m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Singapore takes 28h 18m
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.
  • How far is Washington, D.C. Reagan-National to Singapore Changi by plane?

    A flight from Washington, D.C. Reagan-National to Singapore Changi will travel around 9654.9 mi. A reasonable flight in good conditions will take 28h 18m.

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

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

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

    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 Changi Airport.

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

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

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Singapore. momondo saves you time and could save you money on your trip.

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

Flights from Washington, D.C. to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Washington, D.C..

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