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S$ 150+ Cheap flights from Washington, D.C.

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25-6. 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 Jun — 25 Jun1
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 June 2025.

Good round-trip deal

S$ 492 or less

Good one-way deal

S$ 122 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 June 2025.

Wed 6-822:18IAD - BOS
Nonstop1h 41mUnited Airlines
Wed 13-805:30BOS - IAD
Nonstop1h 34mUnited Airlines
Deal found 11-6S$ 206
Mon 30-612:13IAD - BOS
1 stop4h 01mDelta
Tue 1-706:05BOS - IAD
1 stop5h 54mDelta
Deal found 12-6S$ 324
Fri 25-712:25BWI - SFO
1 stop13h 28mSun Country Air
Thu 31-723:59SFO - BWI
1 stop8h 42mSun Country Air
Deal found 12-6S$ 390
Tue 9-907:00BWI - SFO
2 stops19h 59mAlaska Airlines
Tue 16-906:00SFO - BWI
2 stops20h 33mAlaska Airlines
Deal found 12-6S$ 398
Wed 23-717:26BWI - SFO
1 stop8h 59mFrontier
Tue 29-720:53SFO - BWI
1 stop11h 05mFrontier
Deal found 11-6S$ 449
Tue 19-810:45BWI - SFO
Nonstop5h 40mSouthwest
Tue 26-821:05SFO - BWI
Nonstop5h 10mSouthwest
Deal found 12-6S$ 506
Thu 21-819:00BWI - SFO
Nonstop5h 49mUnited Airlines
Mon 25-810:55SFO - BWI
1 stop8h 50mUnited Airlines
Deal found 12-6S$ 513
Thu 7-819:52BWI - SFO
1 stop7h 48mDelta
Mon 11-800:40SFO - BWI
1 stop7h 03mDelta
Deal found 11-6S$ 531
Sun 7-917:25IAD - CUZ
2 stops16h 35mDelta
Thu 18-904:15CUZ - IAD
2 stops18h 52mDelta
Deal found 11-6S$ 659
Sun 17-817:35BWI - LHR
1 stop11h 55mDelta
Wed 3-909:20LHR - BWI
1 stop14h 32mDelta
Deal found 10-6S$ 835
Mon 25-812:17BWI - LHR
2 stops13h 58mVirgin Atlantic
Tue 2-912:25LHR - BWI
2 stops16h 56mVirgin Atlantic
Deal found 12-6S$ 840
Thu 18-920:30BWI - LHR
1 stop10h 25mIcelandair
Tue 23-913:05LHR - BWI
1 stop11h 20mIcelandair
Deal found 10-6S$ 844

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 June 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

Wed 6-8

22:18-23:59

Nonstop1h 41m

Boston Logan Intl

Wed 13-8

05:30-07:04

Nonstop1h 34m

S$ 206

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 30-6

12:13-16:14

1 stop4h 01m

Boston Logan Intl

Tue 1-7

06:05-11:59

1 stop5h 54m

S$ 324

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 25-7

12:25-22:53

1 stop13h 28m

San Francisco

Thu 31-7

23:59-11:41

1 stop8h 42m

S$ 390

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 9-9

07:00-23:59

2 stops19h 59m

San Francisco

Tue 16-9

06:00-05:33

2 stops20h 33m

S$ 398

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 23-7

17:26-23:25

1 stop8h 59m

San Francisco

Tue 29-7

20:53-10:58

1 stop11h 05m

S$ 449

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 19-8

10:45-13:25

Nonstop5h 40m

San Francisco

Tue 26-8

21:05-05:15

Nonstop5h 10m

S$ 506

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 21-8

19:00-21:49

Nonstop5h 49m

San Francisco

Mon 25-8

10:55-22:45

1 stop8h 50m

S$ 513

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 7-8

19:52-00:40

1 stop7h 48m

San Francisco

Mon 11-8

00:40-10:43

1 stop7h 03m

S$ 531

Washington, D.C.Cusco

IAD - CUZ

IADCUZ

Washington, D.C. Dulles Intl

Sun 7-9

17:25-09:00

2 stops16h 35m

Cusco Velazco Astete

Thu 18-9

04:15-00:07

2 stops18h 52m

S$ 659

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 25-8

12:17-07:15

2 stops13h 58m

London Heathrow

Tue 2-9

12:25-00:21

2 stops16h 56m

S$ 840

Flights are sorted by cheapest return flights first.

Deals found on 11-6

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 June 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$ 1,024). Flying from Washington, D.C. in June will prove the most costly (average of S$ 1,475). 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.

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.3
Very Good

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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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 June 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, Athens, Atlanta. 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.

  • Where are the cheapest places to fly to from Washington, D.C.?

    View the cheapest flight destinations from Washington, D.C.:
    Fly from Washington, D.C. to Singapore from S$ 1,001 round trip

  • 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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