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Cheap flights from Washington, D.C. Reagan-National Airport to Singapore from $551

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 10/10. 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.
Etihad Airways Logo
1:25 pm - 9:40 am
DCA
-
SIN
32h 15m
2 stops
Etihad Airways Logo
9:00 pm - 7:16 pm
SIN
-
DCA
34h 16m
2 stops
$949Etihad Airways
Tue, Sep 8 - Fri, Oct 23
Gulf Air Logo
7:35 pm - 12:45 pm
DCA
-
SIN
53h 10m
2 stops
Gulf Air Logo
8:00 pm - 11:10 pm
SIN
-
DCA
39h 10m
2 stops
$997Gulf Air
Tue, Sep 1 - Tue, Sep 8
Air Canada Logo
11:00 am - 5:15 am
DCA
-
SIN
30h 15m
2 stops
Air Canada Logo
7:00 am - 7:59 pm
SIN
-
DCA
24h 59m
2 stops
$1,101Air Canada
Tue, Sep 1 - Tue, Sep 8
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
$1,102Air Canada
Thu, Sep 10 - Thu, Sep 17
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
7:00 am - 9:50 pm
SIN
-
DCA
26h 50m
2 stops
$1,104Air Canada
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
12:55 pm - 7:00 am
DCA
-
SIN
29h 05m
2 stops
Multiple Airlines Logo
11:10 pm - 10:38 pm
SIN
-
DCA
36h 28m
2 stops
$1,122Multiple Airlines
Tue, Nov 10 - Mon, Nov 30
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
10:50 pm - 9:50 pm
SIN
-
DCA
35h 00m
2 stops
$1,123Air Canada
Tue, Sep 8 - Tue, Sep 15
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
SIN
48h 55m
2 stops
Air Canada Logo
10:50 pm - 10:34 pm
SIN
-
DCA
35h 44m
2 stops
$1,125Air Canada
Wed, Sep 9 - Wed, Sep 16
Delta Logo
7:45 am - 5:00 am
DCA
-
SIN
33h 15m
2 stops
Delta Logo
7:30 am - 11:48 pm
SIN
-
DCA
28h 18m
2 stops
$1,126Delta
Wed, Aug 19 - Sun, Aug 30
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
SIN
48h 55m
2 stops
Air Canada Logo
10:50 pm - 10:34 pm
SIN
-
DCA
35h 44m
2 stops
$1,128Air Canada
Wed, Sep 9 - Wed, Sep 16

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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
Aug 4
DCA12:40 pmWashington, D.C. Reagan-National
28h 35m
2 stops
SIN5:15 amSingapore Changi
Aug 25
SIN7:00 amSingapore Changi
44h 06m
2 stops
DCA3:06 pmWashington, D.C. Reagan-National
$1,094
Air Canada
Sep 1
DCA11:00 amWashington, D.C. Reagan-National
30h 15m
2 stops
SIN5:15 amSingapore Changi
Sep 8
SIN7:00 amSingapore Changi
24h 59m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,101
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
$1,102

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Singapore flight tickets
Delta
Aug 19
DCA7:45 amWashington, D.C. Reagan-National
33h 15m
2 stops
SIN5:00 amSingapore Changi
Aug 30
SIN7:30 amSingapore Changi
28h 18m
2 stops
DCA11:48 pmWashington, D.C. Reagan-National
$1,126
Delta
Aug 12
DCA9:39 amWashington, D.C. Reagan-National
26h 16m
2 stops
SIN11:55 pmSingapore Changi
Aug 30
SIN10:00 pmSingapore Changi
34h 33m
2 stops
DCA8:33 pmWashington, D.C. Reagan-National
$1,165
Delta
Sep 12
DCA9:30 amWashington, D.C. Reagan-National
26h 25m
2 stops
SIN11:55 pmSingapore Changi
Sep 26
SIN10:00 pmSingapore Changi
28h 10m
2 stops
DCA2:10 pmWashington, D.C. Reagan-National
$1,315

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 July 29, 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

Tue 9/8

1:25 pm-9:40 am

2 stops32h 15m

Singapore Changi

Fri 10/23

9:00 pm-7:16 pm

2 stops34h 16m

$949

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/1

7:35 pm-12:45 pm

2 stops53h 10m

Singapore Changi

Tue 9/8

8:00 pm-11:10 pm

2 stops39h 10m

$997
Quickest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/1

11:00 am-5:15 am

2 stops30h 15m

Singapore Changi

Tue 9/8

7:00 am-7:59 pm

2 stops24h 59m

$1,101

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

$1,102

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/1

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Tue 9/8

7:00 am-9:50 pm

2 stops26h 50m

$1,104

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/10

12:55 pm-7:00 am

2 stops29h 05m

Singapore Changi

Mon 11/30

11:10 pm-10:38 pm

2 stops36h 28m

$1,122

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/8

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Tue 9/15

10:50 pm-9:50 pm

2 stops35h 00m

$1,123

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/9

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Wed 9/16

10:50 pm-10:34 pm

2 stops35h 44m

$1,125

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 8/19

7:45 am-5:00 am

2 stops33h 15m

Singapore Changi

Sun 8/30

7:30 am-11:48 pm

2 stops28h 18m

$1,126

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 9/9

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Wed 9/16

10:50 pm-10:34 pm

2 stops35h 44m

$1,128

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

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Singapore?

Alaska Airlines and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to Singapore

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

27h 16m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Singapore takes 27h 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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