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Changi Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Changi Airport to Dulles International Airport over the next 90 days, with one-way fares from KRW 548,900 and round-trip from KRW 1,039,800. Based on Trip.com's latest 7-day flight data.

    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Nov 19 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Tue, Nov 24 | Air China
      KRW 1,039,800 KRW 1,491,500
      30% off
      30% off
      KRW 1,491,500 KRW 1,039,800
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Nov 12 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Tue, Nov 17 | Air China
      KRW 1,039,800 KRW 1,491,500
      30% off
      30% off
      KRW 1,491,500 KRW 1,039,800
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 23 | Air China
      IAD 22:00
      34h 55m
      1 stop
      SIN 21:55
      Washington D.C. - Singapore | Fri, Nov 27 | Air China
      KRW 1,108,100 KRW 1,491,500
      26% off
      26% off
      KRW 1,491,500 KRW 1,108,100
    • SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 16 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Fri, Nov 20 | Air China
      KRW 1,180,400
      21% off
      KRW 1,491,500 KRW 1,180,400
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 9 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Fri, Nov 13 | Air China
      KRW 1,180,400
      21% off
      KRW 1,491,500 KRW 1,180,400
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Nov 5 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Tue, Nov 10 | Air China
      KRW 1,180,400
      21% off
      KRW 1,491,500 KRW 1,180,400
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 2 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Fri, Nov 6 | Air China
      KRW 1,180,400
      21% off
      KRW 1,491,500 KRW 1,180,400
    • SIN 23:55
      31h 35m
      1 stop
      IAD 19:30
      Singapore - Washington D.C. | Thu, Oct 29 | Air China
      IAD 22:00
      34h 55m
      1 stop
      SIN 21:55
      Washington D.C. - Singapore | Tue, Nov 3 | Air China
      KRW 1,212,800
      19% off
      KRW 1,491,500 KRW 1,212,800
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 30 | Air China
      IAD 22:00
      29h 15m
      1 stop
      SIN 16:15
      Washington D.C. - Singapore | Fri, Dec 4 | Air China
      KRW 1,253,300
      16% off
      KRW 1,491,500 KRW 1,253,300
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Tue, Oct 27 | Normal Airline
      WAS 15:00
      6h
      Direct
      SIN 16:00
      Washington D.C. - Singapore | Thu, Oct 29 | Normal Airline
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    • Cheapest
      SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Nov 17 | Air China
      KRW 548,900 KRW 861,600
      36% off
      36% off
      KRW 861,600 KRW 548,900
    • Cheapest
      SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Nov 3 | Air China
      KRW 548,900 KRW 861,600
      36% off
      36% off
      KRW 861,600 KRW 548,900
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Fri, Nov 13 | Air China
      KRW 549,300 KRW 861,600
      36% off
      36% off
      KRW 861,600 KRW 549,300
    • SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Tue, Dec 22 | Air China
      KRW 549,900
      36% off
      KRW 861,600 KRW 549,900
    • SIN 17:45
      37h 45m
      1 stop
      IAD 19:30
      Singapore - Washington D.C. | Fri, Oct 30 | Air China
      KRW 561,400
      35% off
      KRW 861,600 KRW 561,400
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Wed, Dec 23 | Etihad Airways
      KRW 646,300
      25% off
      KRW 861,600 KRW 646,300
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Tue, Dec 22 | Etihad Airways
      KRW 647,400
      25% off
      KRW 861,600 KRW 647,400
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Mon, Dec 21 | Etihad Airways
      KRW 674,100
      22% off
      KRW 861,600 KRW 674,100
    • SIN 17:45
      37h 45m
      1 stop
      IAD 19:30
      Singapore - Washington D.C. | Tue, Oct 27 | Air China
      KRW 732,500
      15% off
      KRW 861,600 KRW 732,500
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Tue, Oct 27 | Normal Airline
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    • SIN 13:15
      20h 40m
      1 stop
      IAD 21:55
      Singapore - Washington D.C. | Wed, Oct 28 | EVA Air
      KRW 1,186,200 KRW 1,853,500
      36% off
      36% off
      KRW 1,853,500 KRW 1,186,200
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 11 | EVA Air
      KRW 1,202,500 KRW 1,853,500
      35% off
      35% off
      KRW 1,853,500 KRW 1,202,500
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 7 | EVA Air
      KRW 1,219,400 KRW 1,853,500
      34% off
      34% off
      KRW 1,853,500 KRW 1,219,400
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      KRW 1,274,000
      31% off
      KRW 1,853,500 KRW 1,274,000
    • SIN 13:15
      20h 40m
      1 stop
      IAD 21:55
      Singapore - Washington D.C. | Sat, Oct 31 | EVA Air
      KRW 1,282,100
      31% off
      KRW 1,853,500 KRW 1,282,100
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 21 | EVA Air
      KRW 1,399,100
      25% off
      KRW 1,853,500 KRW 1,399,100
    • SIN 19:00
      23h 38m
      1 stop
      IAD 05:38
      Singapore - Washington D.C. | Fri, Nov 6 | Singapore Airlines
      KRW 1,537,400
      17% off
      KRW 1,853,500 KRW 1,537,400
    • SIN 22:30
      24h 20m
      1 stop
      IAD 09:50
      Singapore - Washington D.C. | Sat, Jan 2 | Korean Air
      KRW 1,649,600
      11% off
      KRW 1,853,500 KRW 1,649,600
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Tue, Oct 27 | Normal Airline
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    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Mon, Nov 9 | EVA Air
      KRW 1,193,500 KRW 6,380,300
      81% off
      81% off
      KRW 6,380,300 KRW 1,193,500
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Dec 25 | EVA Air
      KRW 1,205,100 KRW 6,380,300
      81% off
      81% off
      KRW 6,380,300 KRW 1,205,100
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 7 | EVA Air
      KRW 1,219,400 KRW 6,380,300
      81% off
      81% off
      KRW 6,380,300 KRW 1,219,400
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      KRW 1,274,000
      80% off
      KRW 6,380,300 KRW 1,274,000
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 25 | EVA Air
      KRW 1,346,700
      79% off
      KRW 6,380,300 KRW 1,346,700
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Dec 26 | EVA Air
      KRW 1,359,400
      79% off
      KRW 6,380,300 KRW 1,359,400
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Dec 5 | EVA Air
      KRW 1,421,000
      78% off
      KRW 6,380,300 KRW 1,421,000
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Jan 8 | EVA Air
      KRW 1,426,400
      78% off
      KRW 6,380,300 KRW 1,426,400
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Jan 1 | EVA Air
      KRW 2,710,000
      57% off
      KRW 6,380,300 KRW 2,710,000
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Tue, Oct 27 | Normal Airline
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      Find more flights
    • SIN 13:15
      20h 40m
      1 stop
      IAD 21:55
      Singapore - Washington D.C. | Wed, Oct 28 | EVA Air
      KRW 1,186,200 KRW 1,440,600
      18% off
      18% off
      KRW 1,440,600 KRW 1,186,200
    • SIN 13:15
      20h 40m
      1 stop
      IAD 21:55
      Singapore - Washington D.C. | Sat, Oct 31 | EVA Air
      KRW 1,282,100 KRW 1,440,600
      11% off
      11% off
      KRW 1,440,600 KRW 1,282,100
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Tue, Oct 27 | Normal Airline
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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.

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

What is the cheapest month to fly from Changi Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Changi Airport to Dulles International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Changi Airport to Dulles International Airport are usually in February, with an average price of KRW 891,000. It is best to avoid March, when the average price can reach KRW 2,225,600.

KRW 2,225,600
KRW 1,558,300
KRW 891,000
KRW 223,700
    Cheapest
  • KRW 1,032,200
    Oct
  • KRW 1,491,900
    Nov
  • KRW 1,099,200
    Dec
  • KRW 1,362,500
    Jan
  • KRW 891,000
    Feb
  • KRW 2,225,600
    Mar
  • KRW 1,608,700
    Apr
  • KRW 1,534,600
    May
  • KRW 1,449,400
    Jun
  • KRW 1,132,900
    Jul
  • KRW 1,166,200
    Aug
  • KRW 1,484,100
    Sep

What is the cheapest day of the week to fly from Changi Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Changi Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Changi Airport to Dulles International Airport is Thursday, with average prices usually lower than other days. Avoid departing on Wednesday as prices are typically highest on that day.

KRW 1,587,700
KRW 1,298,150
KRW 1,008,600
KRW 719,050
    Cheapest
  • KRW 1,386,800
    Mon
  • KRW 1,272,700
    Tue
  • KRW 1,587,700
    Wed
  • KRW 1,008,600
    Thu
  • KRW 1,508,900
    Fri
  • KRW 1,567,700
    Sat
  • KRW 1,330,900
    Sun

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

The cheapest airline flying from Changi Airport to Dulles International Airport is Air China (from KRW 548,900) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air China
From KRW 548,900
Scoot
From KRW 635,900
Etihad Airways
From KRW 646,300
Thai Lion Air
From KRW 648,800
Thai AirAsia
From KRW 661,900
AirAsia
From KRW 688,000
Batik Air Malaysia
From KRW 703,100
Cebu Pacific
From KRW 721,100
Philippine Airlines
From KRW 730,500
Thai Airways
From KRW 763,700

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

Check the schedule for flights from Singapore to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. EY499

    Changi Airport

    9:00 PM

    SIN

    7h 20m

    Direct

    12:20 AM

    AUH

    S M T W T F S
    Search

  2. EY005

    Abu Dhabi Intl. Airport

    3:15 AM

    AUH

    15h 30m

    Direct

    9:45 AM

    IAD

    S M T W T F S

  3. PR508

    Changi Airport

    2:30 PM

    SIN

    3h 40m

    Direct

    6:10 PM

    MNL

    S M T W T F S
    Search

  4. PR102

    Ninoy Aquino Intl. Airport

    10:15 PM

    MNL

    13h 25m

    Direct

    8:40 PM

    LAX

    S M T W T F S

  5. AA1115

    Los Angeles Intl. Airport

    9:45 PM

    LAX

    4h 53m

    Direct

    5:38 AM

    IAD

    - - - - - - S

  6. CA970

    Changi Airport

    11:25 PM

    SIN

    6h 35m

    Direct

    6:00 AM

    PEK

    S M - W T F S
    Search

  7. CA817

    Beijing Capital Intl. Airport

    4:00 PM

    PEK

    15h 30m

    Direct

    7:30 PM

    IAD

    - M - - T - -

  8. CA890

    Changi Airport

    5:45 PM

    SIN

    6h 30m

    Direct

    12:15 AM

    PEK

    S M T W T F S
    Search

  9. CA817

    Beijing Capital Intl. Airport

    4:00 PM

    PEK

    15h 30m

    Direct

    7:30 PM

    IAD

    - M - - T - -

  10. TR636

    Changi Airport

    5:40 PM

    SIN

    2h 35m

    Direct

    7:15 PM

    BKK

    S M T W T F S
    Search

  11. YP602

    Suvarnabhumi Intl. Airport

    10:55 PM

    BKK

    5h 20m

    Direct

    6:15 AM

    ICN

    S M - W T - S

  12. YP135

    Incheon Intl. Airport

    9:05 PM

    ICN

    13h 30m

    Direct

    9:35 PM

    IAD

    - - T - T - S

  13. 5J804

    Changi Airport

    1:10 AM

    SIN

    4h

    Direct

    5:10 AM

    MNL

    S M T W T F S
    Search

  14. PR112

    Ninoy Aquino Intl. Airport

    11:25 AM

    MNL

    14h 35m

    Direct

    10:00 AM

    LAX

    S M T W T F S

  15. AA3071

    Los Angeles Intl. Airport

    9:42 PM

    LAX

    4h 50m

    Direct

    5:32 AM

    IAD

    S M T W T F -

  16. TR588

    Changi Airport

    1:45 AM

    SIN

    3h 45m

    Direct

    5:30 AM

    MNL

    S M T W T F S
    Search

  17. PR102

    Ninoy Aquino Intl. Airport

    10:15 PM

    MNL

    13h 25m

    Direct

    8:40 PM

    LAX

    S M T W T F S

  18. AA1115

    Los Angeles Intl. Airport

    9:45 PM

    LAX

    4h 53m

    Direct

    5:38 AM

    IAD

    - - - - - - S

  19. FD356

    Changi Airport

    3:30 PM

    SIN

    2h 40m

    Direct

    5:10 PM

    DMK

    S M T W T F S
    Search

  20. YP602

    Suvarnabhumi Intl. Airport

    10:55 PM

    BKK

    5h 20m

    Direct

    6:15 AM

    ICN

    S M - W T - S

  21. YP135

    Incheon Intl. Airport

    9:05 PM

    ICN

    13h 30m

    Direct

    9:35 PM

    IAD

    - - T - T - S

  22. FD358

    Changi Airport

    11:00 AM

    SIN

    2h 30m

    Direct

    12:30 PM

    DMK

    S M T W T F S
    Search

  23. YP602

    Suvarnabhumi Intl. Airport

    10:55 PM

    BKK

    5h 20m

    Direct

    6:15 AM

    ICN

    S M - W T - S

  24. YP135

    Incheon Intl. Airport

    9:05 PM

    ICN

    13h 30m

    Direct

    9:35 PM

    IAD

    - - T - T - S

  25. OD806

    Changi Airport

    9:20 PM

    SIN

    1h

    Direct

    10:20 PM

    KUL

    S M T W T F -
    Search

  26. CA774

    Kuala Lumpur Intl. Airport

    5:25 PM

    KUL

    6h 20m

    Direct

    11:45 PM

    PEK

    S M T W T F S

  27. CA817

    Beijing Capital Intl. Airport

    4:00 PM

    PEK

    15h 30m

    Direct

    7:30 PM

    IAD

    - M - - T - -
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About Changi Airport and Dulles International Airport

Learn about Changi Airport (SIN) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 15,547.32 km
Cheapest one-way ticket price KRW 548,900
Cheapest return ticket price KRW 1,039,800

FAQs for Changi Airport to Dulles International Airport Flights

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

    One-way flights from Changi Airport to Dulles International Airport currently start from KRW 548,900, and round-trip fares start from KRW 1,039,800. The current lowest fare is a Air China flight departing on Tue, Nov 17; 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 Changi Airport to Dulles International Airport is KRW 1,530,800. Prices may vary depending on the departure date, airline, and availability.
  • Enter 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.

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