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S$ 145+ Cheap flights from Washington, D.C.

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1-7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — SIN
18 May — 25 May1
1 adult

What to know about flights from Washington, D.C.

Discover essential information about flights departing from Washington, D.C., including flight schedules, destinations, airlines operating at the Washington, D.C. airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 13 May 2025.

Good round-trip deal

S$ 501 or less

Good one-way deal

S$ 124 or less
Price to beat on a round-trip flight from Washington, D.C..
Price to beat on a one-way flight from Washington, D.C..

Find flights from Washington, D.C.

Cheapest flights from Washington, D.C.
Explore the most affordable flight options available from Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 13 May 2025.

Mon 2-616:00IAD - BOS
Nonstop1h 41mUnited Airlines
Thu 5-605:30BOS - IAD
Nonstop1h 34mUnited Airlines
Deal found 12-5S$ 179
Tue 1-706:00IAD - BOS
1 stop6h 03mDelta
Tue 8-706:05BOS - IAD
1 stop5h 57mDelta
Deal found 13-5S$ 319
Mon 9-607:00DCA - SFO
Nonstop5h 50mUnited Airlines
Wed 11-613:08SFO - DCA
Nonstop5h 04mUnited Airlines
Deal found 12-5S$ 348
Wed 15-1017:15DCA - SFO
1 stop11h 19mJetBlue
Mon 20-1006:00SFO - DCA
1 stop9h 44mJetBlue
Deal found 12-5S$ 360
Fri 6-618:38DCA - SFO
Nonstop6h 00mHawaiian Airlines
Wed 11-608:00SFO - DCA
1 stop10h 59mHawaiian Airlines
Deal found 13-5S$ 361
Mon 28-712:25BWI - SFO
1 stop13h 28mSun Country Air
Sun 3-823:59SFO - BWI
1 stop8h 24mSun Country Air
Deal found 13-5S$ 385
Sat 7-618:38DCA - SFO
Nonstop6h 00mAlaska Airlines
Tue 29-709:45SFO - DCA
Nonstop5h 13mAlaska Airlines
Deal found 13-5S$ 387
Tue 21-1007:55BWI - SFO
1 stop10h 00mAlaska Airlines
Tue 21-1018:24SFO - BWI
1 stop8h 47mAlaska Airlines
Deal found 12-5S$ 395
Tue 29-706:00BWI - SFO
1 stop7h 25mDelta
Sat 2-819:01SFO - BWI
1 stop7h 59mDelta
Deal found 13-5S$ 403
Sat 8-1106:00DCA - SFO
1 stop9h 00mSouthwest
Mon 17-1108:20SFO - DCA
2 stops9h 25mSouthwest
Deal found 11-5S$ 446
Fri 4-706:42BWI - SFO
Nonstop5h 50mUnited Airlines
Fri 4-721:05SFO - BWI
Nonstop5h 18mUnited Airlines
Deal found 12-5S$ 455
Tue 1-714:45BWI - SFO
1 stop7h 50mSouthwest
Sat 5-706:25SFO - BWI
2 stops9h 50mSouthwest
Deal found 12-5S$ 488

Find flights from Washington, D.C. within your budget

Find flights departing from Washington, D.C. that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 13 May 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 2-6

17:35-22:24

1 stop4h 49m

Boston Logan Intl

Thu 5-6

09:30-11:10

Nonstop1h 40m

S$ 192

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 1-7

06:00-12:03

1 stop6h 03m

Boston Logan Intl

Tue 8-7

06:05-12:02

1 stop5h 57m

S$ 319

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Mon 9-6

07:00-09:50

Nonstop5h 50m

San Francisco

Wed 11-6

13:08-21:12

Nonstop5h 04m

S$ 348

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 15-10

17:15-01:34

1 stop11h 19m

San Francisco

Mon 20-10

06:00-18:44

1 stop9h 44m

S$ 360

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 6-6

18:38-21:38

Nonstop6h 00m

San Francisco

Wed 11-6

08:00-21:59

1 stop10h 59m

S$ 361

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Mon 28-7

12:25-22:53

1 stop13h 28m

San Francisco

Sun 3-8

23:59-11:23

1 stop8h 24m

S$ 385

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 7-6

18:38-21:38

Nonstop6h 00m

San Francisco

Tue 29-7

09:45-17:58

Nonstop5h 13m

S$ 387

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 21-10

07:55-14:55

1 stop10h 00m

San Francisco

Tue 21-10

18:24-06:11

1 stop8h 47m

S$ 395

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 29-7

06:00-10:25

1 stop7h 25m

San Francisco

Thu 7-8

00:52-10:50

1 stop6h 58m

S$ 403

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 11-10

19:30-00:46

1 stop8h 16m

San Francisco

Wed 15-10

07:30-20:14

1 stop9h 44m

S$ 413

Flights are sorted by cheapest return flights first.

Deals found on 12-5

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly from Washington, D.C. with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington, D.C.

Get recent, data-driven insights about flights from Washington, D.C. including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Singapore. Price data was last updated on 9 May 2025.

The price you pay for your flight from Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. (average of S$ 1,045). Flying from Washington, D.C. in June will prove the most costly (average of S$ 1,507). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Washington, D.C.

Get insights into the airlines that provide service from Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Washington, D.C.. In the last 7 days, Cheapflights users made a total of 200,618 searches.

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
8.3
Very Good

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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Related info for your journey

Access useful and relevant information related to your journey from Washington, D.C.. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 13 May 2025.
  • What are the most popular destinations to fly to from Washington, D.C.?

    This month, the top selected destinations from Washington, D.C. are Boston, Atlanta, Athens. Throughout the year, Boston, Atlanta, Athens are some of the top choices made by users flying from Washington, D.C..

  • What is the cheapest month to fly from Washington, D.C.?

    Currently, the cheapest month for flights from Washington, D.C. is January. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Washington, D.C.?

    Deals for flights from Washington, D.C. are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Washington, D.C.?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington, D.C..

  • Can Cheapflights find flights from Washington, D.C. with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington, D.C., users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Washington, D.C. become cheaper?

    Of course! You can now track prices for flights from Washington, D.C. and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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How does Cheapflights help users find flights from Washington, D.C.?

Deals for flights from Washington, D.C. are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington, D.C..

Can Cheapflights find flights from Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Washington, D.C. become cheaper?

Of course! You can now track prices for flights from Washington, D.C. and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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