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Singapore Changi Airport to Dulles International Airport flight
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Singapore Changi Airport to Dulles International Airport Flights Info

Cheapest one-way
KRW 551,400
Air China Air China 37h 45m · 1 stop Fri, Jan 8
Book Now
Cheapest round-trip
KRW 1,177,700
Air China Air China 37h 45m · 2 stops Thu, Jan 7 - Tue, Jan 12
Book Now
When to fly
February
Cheapest
Recommended airlines
Air China Air ChinaCheapest· From KRW 551,400 EVA Air EVA AirMost booked

Explore the cheapest one-way and round-trip flights from Singapore Changi Airport to Dulles International Airport over the next 90 days, with one-way fares from KRW 551,400 and round-trip from KRW 1,177,700. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Fri, Jan 8 | Air China
      KRW 551,400 KRW 753,800
      27% off
      27% off
      KRW 753,800 KRW 551,400
    • SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Jan 5 | Air China
      KRW 554,400 KRW 753,800
      26% off
      26% off
      KRW 753,800 KRW 554,400
    • SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Dec 1 | Air China
      KRW 559,800 KRW 753,800
      26% off
      26% off
      KRW 753,800 KRW 559,800
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Nov 24 | Air China
      KRW 560,600
      26% off
      KRW 753,800 KRW 560,600
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Nov 17 | Air China
      KRW 561,600
      25% off
      KRW 753,800 KRW 561,600
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Fri, Dec 25 | Air China
      KRW 566,000
      25% off
      KRW 753,800 KRW 566,000
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Fri, Nov 20 | Etihad Airways
      KRW 650,400
      14% off
      KRW 753,800 KRW 650,400
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Tue, Jan 5 | Etihad Airways
      KRW 652,800
      13% off
      KRW 753,800 KRW 652,800
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Mon, Jan 4 | Etihad Airways
      KRW 654,600
      13% off
      KRW 753,800 KRW 654,600
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Mon, Nov 16 | Normal Airline
      More cheap flights
      More cheap flights
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Jan 7 | Air China
      IAD 22:00
      34h 55m
      1 stop
      SIN 21:55
      Washington D.C. - Singapore | Tue, Jan 12 | Air China
      KRW 1,177,700 KRW 1,754,500
      33% off
      33% off
      KRW 1,754,500 KRW 1,177,700
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 23 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Fri, Nov 27 | Air China
      KRW 1,419,000 KRW 1,754,500
      19% off
      19% off
      KRW 1,754,500 KRW 1,419,000
    • SIN 11:40
      37h 5m
      1 stop
      IAD 11:45
      Singapore - Washington D.C. | Fri, Nov 27 | Turkish Airlines
      IAD 13:30
      31h 30m
      1 stop
      SIN 10:00
      Washington D.C. - Singapore | Wed, Dec 2 | Turkish Airlines
      KRW 1,421,400 KRW 1,754,500
      19% off
      19% off
      KRW 1,754,500 KRW 1,421,400
    • SIN 10:25
      46h
      1 stop
      IAD 19:25
      Singapore - Washington D.C. | Sun, Nov 22 | Turkish Airlines
      IAD 13:30
      30h 15m
      1 stop
      SIN 08:45
      Washington D.C. - Singapore | Sun, Nov 29 | Turkish Airlines
      KRW 1,421,400
      19% off
      KRW 1,754,500 KRW 1,421,400
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Dec 3 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Tue, Dec 8 | Air China
      KRW 1,426,200
      19% off
      KRW 1,754,500 KRW 1,426,200
    • SIN 05:10
      27h 15m
      1 stop
      IAD 19:25
      Singapore - Washington D.C. | Sat, Nov 21 | Turkish Airlines
      IAD 13:30
      31h 30m
      1 stop
      SIN 10:00
      Washington D.C. - Singapore | Mon, Nov 23 | Turkish Airlines
      KRW 1,437,900
      18% off
      KRW 1,754,500 KRW 1,437,900
    • SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 16 | Air China
      IAD 14:25
      30h 10m
      1 stop
      SIN 09:35
      Washington D.C. - Singapore | Wed, Nov 18 | Etihad Airways
      KRW 1,462,300
      17% off
      KRW 1,754,500 KRW 1,462,300
    • SIN 11:40
      44h 45m
      1 stop
      IAD 19:25
      Singapore - Washington D.C. | Fri, Nov 20 | Turkish Airlines
      IAD 21:20
      22h 25m
      1 stop
      SIN 08:45
      Washington D.C. - Singapore | Sun, Nov 22 | Turkish Airlines
      KRW 1,488,900
      15% off
      KRW 1,754,500 KRW 1,488,900
    • SIN 11:40
      44h 45m
      1 stop
      IAD 19:25
      Singapore - Washington D.C. | Fri, Dec 4 | Turkish Airlines
      IAD 13:30
      28h 20m
      1 stop
      SIN 06:50
      Washington D.C. - Singapore | Sun, Dec 6 | Turkish Airlines
      KRW 1,488,900
      15% off
      KRW 1,754,500 KRW 1,488,900
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Mon, Nov 16 | Normal Airline
      WAS 15:00
      6h
      Nonstop
      SIN 16:00
      Washington D.C. - Singapore | Wed, Nov 18 | Normal Airline
      More cheap flights
      More cheap flights
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      KRW 1,183,700 KRW 5,949,800
      80% off
      80% off
      KRW 5,949,800 KRW 1,183,700
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 21 | EVA Air
      KRW 1,851,800 KRW 5,949,800
      69% off
      69% off
      KRW 5,949,800 KRW 1,851,800
    • SIN 22:30
      24h 20m
      1 stop
      IAD 09:50
      Singapore - Washington D.C. | Sat, Jan 2 | Korean Air
      KRW 5,176,300 KRW 5,949,800
      13% off
      13% off
      KRW 5,949,800 KRW 5,176,300
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Mon, Nov 16 | Normal Airline
      More cheap flights
      More cheap flights
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      KRW 1,183,700 KRW 6,255,800
      81% off
      81% off
      KRW 6,255,800 KRW 1,183,700
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Dec 25 | EVA Air
      KRW 1,214,800 KRW 6,255,800
      81% off
      81% off
      KRW 6,255,800 KRW 1,214,800
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 25 | EVA Air
      KRW 1,334,300 KRW 6,255,800
      79% off
      79% off
      KRW 6,255,800 KRW 1,334,300
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Mon, Nov 16 | EVA Air
      KRW 1,340,300
      79% off
      KRW 6,255,800 KRW 1,340,300
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Dec 26 | EVA Air
      KRW 1,458,100
      77% off
      KRW 6,255,800 KRW 1,458,100
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Mon, Dec 14 | EVA Air
      KRW 2,110,200
      66% off
      KRW 6,255,800 KRW 2,110,200
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Dec 11 | EVA Air
      KRW 2,373,600
      62% off
      KRW 6,255,800 KRW 2,373,600
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Jan 8 | EVA Air
      KRW 2,428,700
      61% off
      KRW 6,255,800 KRW 2,428,700
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Jan 9 | EVA Air
      KRW 2,658,800
      56% off
      KRW 6,255,800 KRW 2,658,800
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Mon, Nov 16 | Normal Airline
      More cheap flights
      More cheap flights
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      KRW 1,183,700 KRW 2,128,600
      44% off
      44% off
      KRW 2,128,600 KRW 1,183,700
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 21 | EVA Air
      KRW 1,851,800 KRW 2,128,600
      13% off
      13% off
      KRW 2,128,600 KRW 1,851,800
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Mon, Nov 16 | Normal Airline
      More cheap flights
      More cheap flights

Displayed flight fares from Singapore to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Singapore Changi Airport to Dulles International Airport?

The cheapest airline flying from Singapore Changi Airport to Dulles International Airport is Air China (from KRW 551,400) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.
EVA Air logo EVA Air All Nippon Airways logo All Nippon Airways Turkish Airlines logo Turkish Airlines Emirates logo Emirates

Trip.com Price Insights: Flights from Singapore Changi Airport to Dulles International Airport

Which month offers the lowest one-way fares when flying from Singapore Changi Airport to Dulles International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Singapore Changi Airport to Dulles International Airport on Trip.com.

Based on Trip.com data from the past 12 months, for cheaper one-way flights from Singapore Changi Airport to Dulles International Airport, it is best to book in February, when average fares are KRW 898,300. Try to avoid March, as fares peak at around KRW 2,243,900.

KRW 2,243,900
KRW 1,571,100
KRW 898,300
KRW 225,500
    Cheapest
  • KRW 1,387,600
    Nov
  • KRW 1,108,200
    Dec
  • KRW 1,373,700
    Jan
  • KRW 898,300
    Feb
  • KRW 2,243,900
    Mar
  • KRW 1,621,900
    Apr
  • KRW 1,547,200
    May
  • KRW 1,461,300
    Jun
  • KRW 1,142,200
    Jul
  • KRW 1,175,800
    Aug
  • KRW 1,496,300
    Sep
  • KRW 1,033,400
    Oct

Which day of the week offers the cheapest flights from Singapore Changi Airport to Dulles International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Singapore Changi Airport to Dulles International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Singapore Changi Airport to Dulles International Airport is Thursday, when average fares are usually lower than other days. Avoid departing on Wednesday, as fares are typically the highest.

KRW 1,600,700
KRW 1,351,900
KRW 1,103,100
KRW 854,300
    Cheapest
  • KRW 1,398,200
    Mon
  • KRW 1,317,200
    Tue
  • KRW 1,600,700
    Wed
  • KRW 1,103,100
    Thu
  • KRW 1,574,900
    Fri
  • KRW 1,586,600
    Sat
  • KRW 1,275,200
    Sun

What is the flight schedule from Singapore Changi Airport to Dulles International Airport?

Check on the flight schedule from Singapore to Washington D.C. to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. EY499

    Singapore Changi Airport

    19:25

    SIN

    7h 35m

    Nonstop

    23:00

    AUH

    S M T W T F S
    Search

  2. EY005

    Zayed International Airport

    03:15

    AUH

    14h 45m

    Nonstop

    09:00

    IAD

    S M T W T F S

  3. SV857

    Singapore Changi Airport

    02:15

    SIN

    9h 30m

    Nonstop

    06:45

    JED

    - M - W - F -
    Search

  4. SV061

    King Abdulaziz International Airport

    09:15

    JED

    13h 10m

    Nonstop

    15:25

    YYZ

    - M - W T F S

  5. AC8620

    Toronto Pearson International Airport

    18:40

    YYZ

    1h 30m

    Nonstop

    20:10

    IAD

    S M T W T F S

  6. CA970

    Singapore Changi Airport

    23:55

    SIN

    6h 20m

    Nonstop

    06:15

    PEK

    S M T W T F S
    Search

  7. CA817

    Beijing Capital International Airport

    16:00

    PEK

    15h 30m

    Nonstop

    18:30

    IAD

    - M - - T - -

  8. CA890

    Singapore Changi Airport

    17:55

    SIN

    6h 25m

    Nonstop

    00:20

    PEK

    S M - W T F S
    Search

  9. CA817

    Beijing Capital International Airport

    16:00

    PEK

    15h 30m

    Nonstop

    18:30

    IAD

    - M - - T - -

  10. SV857

    Singapore Changi Airport

    02:15

    SIN

    9h 30m

    Nonstop

    06:45

    JED

    - M - W - F -
    Search

  11. SV061

    King Abdulaziz International Airport

    09:15

    JED

    13h 10m

    Nonstop

    15:25

    YYZ

    - M - W T F S

  12. PD2721

    Billy Bishop Toronto City Airport

    09:05

    YTZ

    1h 29m

    Nonstop

    10:34

    IAD

    S M T W T F S

  13. SL105

    Singapore Changi Airport

    20:30

    SIN

    2h 35m

    Nonstop

    22:05

    DMK

    S M T W T F S
    Search

  14. EY1045

    Suvarnabhumi Airport

    19:55

    BKK

    7h 15m

    Nonstop

    00:10

    AUH

    S M T W T F S

  15. EY005

    Zayed International Airport

    03:15

    AUH

    14h 45m

    Nonstop

    09:00

    IAD

    S M T W T F S

  16. SL105

    Singapore Changi Airport

    20:30

    SIN

    2h 35m

    Nonstop

    22:05

    DMK

    S M T W T F S
    Search

  17. EY405

    Suvarnabhumi Airport

    15:15

    BKK

    6h 50m

    Nonstop

    19:05

    AUH

    S M T W T F S

  18. EY005

    Zayed International Airport

    03:15

    AUH

    14h 45m

    Nonstop

    09:00

    IAD

    S M T W T F S

  19. OD806

    Singapore Changi Airport

    21:30

    SIN

    1h

    Nonstop

    22:30

    KUL

    S M T W T F S
    Search

  20. OD522

    Kuala Lumpur International Airport

    09:55

    KUL

    2h 10m

    Nonstop

    11:05

    DMK

    S M T W T F S

  21. EY1045

    Suvarnabhumi Airport

    19:55

    BKK

    7h 15m

    Nonstop

    00:10

    AUH

    S M T W T F S

  22. EY005

    Zayed International Airport

    03:15

    AUH

    14h 45m

    Nonstop

    09:00

    IAD

    S M T W T F S

  23. TR620

    Singapore Changi Airport

    19:45

    SIN

    2h 50m

    Nonstop

    21:35

    BKK

    S M T W T F S
    Search

  24. EY403

    Suvarnabhumi Airport

    08:35

    BKK

    7h

    Nonstop

    12:35

    AUH

    S M T W T F S

  25. EY005

    Zayed International Airport

    03:15

    AUH

    14h 45m

    Nonstop

    09:00

    IAD

    S M T W T F S

  26. TR620

    Singapore Changi Airport

    19:45

    SIN

    2h 50m

    Nonstop

    21:35

    BKK

    S M T W T F S
    Search

  27. EY405

    Suvarnabhumi Airport

    15:15

    BKK

    6h 50m

    Nonstop

    19:05

    AUH

    S M T W T F S

  28. EY005

    Zayed International Airport

    03:15

    AUH

    14h 45m

    Nonstop

    09:00

    IAD

    S M T W T F S
Find more flights and airlines

FAQs for Singapore Changi Airport to Dulles International Airport Flights

  • What are the cheapest flights from Singapore Changi Airport to Dulles International Airport?

    One-way flights from Singapore Changi Airport to Dulles International Airport currently start from KRW 551,400, and round-trip fares start from KRW 1,177,700. The current lowest fare is a Air China flight departing on Fri, Jan 8; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Singapore Changi Airport to Dulles International Airport is KRW 1,598,500. Prices may vary depending on the departure date, airline, and availability.
  • Enter Singapore Changi Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.