
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,115 (oojo) |
One-way from | $422 (SmartFares) |
Popular in | December |
Cheapest in | August |
Average price | $1,984 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Sun 1/18
5:59 pm-8:15 pm
1 stop37h 16m
Singapore Changi
Sun 2/15
10:10 am-9:36 pm
1 stop24h 26m
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Fri 1/23
7:30 am-12:55 am
2 stops28h 25m
Singapore Changi
Thu 2/5
10:10 am-9:52 pm
1 stop24h 42m
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Sun 2/15
6:05 am-12:10 am
2 stops29h 05m
Singapore Changi
Thu 2/26
10:40 am-10:00 pm
2 stops24h 20m
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Fri 1/23
11:50 am-8:25 pm
1 stop43h 35m
Singapore Changi
Mon 2/16
10:30 pm-7:09 pm
2 stops33h 39m
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sat 1/24
5:59 pm-8:25 pm
2 stops37h 26m
Singapore Changi
Wed 2/18
10:30 pm-12:24 am
2 stops38h 54m
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sat 1/24
5:59 pm-8:25 pm
2 stops37h 26m
Singapore Changi
Sun 2/15
1:35 am-12:24 am
2 stops35h 49m
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Fri 1/23
3:42 pm-8:25 pm
2 stops39h 43m
Singapore Changi
Mon 2/16
10:40 am-11:50 am
2 stops38h 10m
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Fri 1/23
6:00 am-8:25 pm
2 stops49h 25m
Singapore Changi
Wed 2/18
10:30 pm-12:24 am
2 stops38h 54m
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sat 1/24
5:59 pm-8:25 pm
2 stops37h 26m
Singapore Changi
Sun 2/15
10:30 pm-8:45 pm
2 stops35h 15m
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Tue 2/17
12:47 pm-8:00 am
2 stops30h 13m
Singapore Changi
Sat 2/28
10:10 am-11:35 am
2 stops38h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Washington, D.C. to Singapore, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $794). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,144). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Singapore in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Washington, D.C. to Singapore flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Doha (DOH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Singapore on Cheapflights.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $835.
Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 22h 00m.
Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 28m.
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Chris,Jul 2025
DFW - DOH
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Chris,Jul 2025
DFW - DOH
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Chris,Jul 2025
DFW - DOH
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Chris,Jul 2025
DFW - DOH
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Chris,Jul 2025
DFW - DOH
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Chris,Jul 2025
DFW - DOH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$807 | Average$996 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$833 | Average$990 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$847 | Average$1,016 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$944 | Average$1,199 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,014 | Average$1,296 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,066 | Average$2,053 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$1,174 | Average$1,379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,196 | Average$1,199 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,499 | Average$2,103 | FlexibilityNo cancel fee | On-time80% |