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Singapore Changi Airport to Dulles International Airport flight

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 BRL 2,210 and round-trip from BRL 4,178. Based on Trip.com's latest 7-day flight data.

    • 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
      BRL 4,178 BRL 5,993
      30% off
      30% off
      BRL 5,993 BRL 4,178
    • 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
      BRL 4,207 BRL 5,993
      30% off
      30% off
      BRL 5,993 BRL 4,207
    • 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
      BRL 4,464 BRL 5,993
      26% off
      26% off
      BRL 5,993 BRL 4,464
    • 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
      BRL 4,769
      20% off
      BRL 5,993 BRL 4,769
    • 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
      BRL 4,769
      20% off
      BRL 5,993 BRL 4,769
    • 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
      BRL 4,769
      20% off
      BRL 5,993 BRL 4,769
    • 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
      BRL 4,769
      20% off
      BRL 5,993 BRL 4,769
    • 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
      BRL 5,073
      15% off
      BRL 5,993 BRL 5,073
    • SIN 23:55
      31h 35m
      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
      BRL 5,309
      11% off
      BRL 5,993 BRL 5,309
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Sat, Oct 31 | Normal Airline
      WAS 15:00
      6h
      Direct
      SIN 16:00
      Washington D.C. - Singapore | Mon, Nov 2 | Normal Airline
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    • Cheapest
      SIN 23:55
      31h 35m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 16 | Air China
      BRL 2,210 BRL 3,039
      27% off
      27% off
      BRL 3,039 BRL 2,210
    • Cheapest
      SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 2 | Air China
      BRL 2,210 BRL 3,039
      27% off
      27% off
      BRL 3,039 BRL 2,210
    • Cheapest
      SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Dec 24 | Air China
      BRL 2,210 BRL 3,039
      27% off
      27% off
      BRL 3,039 BRL 2,210
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Mon, Nov 9 | Air China
      BRL 2,213
      27% off
      BRL 3,039 BRL 2,213
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Nov 12 | Air China
      BRL 2,225
      27% off
      BRL 3,039 BRL 2,225
    • SIN 17:45
      37h 45m
      1 stop
      IAD 18:30
      Singapore - Washington D.C. | Thu, Dec 10 | Air China
      BRL 2,269
      25% off
      BRL 3,039 BRL 2,269
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Thu, Nov 5 | Etihad Airways
      BRL 2,607
      14% off
      BRL 3,039 BRL 2,607
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Wed, Dec 16 | Etihad Airways
      BRL 2,626
      14% off
      BRL 3,039 BRL 2,626
    • SIN 19:25
      26h 35m
      1 stop
      IAD 09:00
      Singapore - Washington D.C. | Thu, Dec 24 | Etihad Airways
      BRL 2,626
      14% off
      BRL 3,039 BRL 2,626
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 11 | EVA Air
      BRL 4,600 BRL 7,490
      39% off
      39% off
      BRL 7,490 BRL 4,600
    • SIN 13:15
      20h 40m
      1 stop
      IAD 21:55
      Singapore - Washington D.C. | Sat, Oct 31 | EVA Air
      BRL 4,706 BRL 7,490
      37% off
      37% off
      BRL 7,490 BRL 4,706
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      BRL 5,148 BRL 7,490
      31% off
      31% off
      BRL 7,490 BRL 5,148
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 7 | EVA Air
      BRL 5,162
      31% off
      BRL 7,490 BRL 5,162
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Nov 21 | EVA Air
      BRL 5,654
      25% off
      BRL 7,490 BRL 5,654
    • SIN 21:00
      24h 35m
      1 stop
      IAD 08:35
      Singapore - Washington D.C. | Sat, Oct 31 | Emirates
      BRL 5,992
      20% off
      BRL 7,490 BRL 5,992
    • SIN 19:00
      23h 38m
      1 stop
      IAD 05:38
      Singapore - Washington D.C. | Fri, Nov 6 | Singapore Airlines
      BRL 6,212
      17% off
      BRL 7,490 BRL 6,212
    • SIN 22:30
      24h 20m
      1 stop
      IAD 09:50
      Singapore - Washington D.C. | Sat, Jan 2 | Korean Air
      BRL 6,666
      11% off
      BRL 7,490 BRL 6,666
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Sat, Oct 31 | 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
      BRL 4,638 BRL 25,781
      82% off
      82% off
      BRL 25,781 BRL 4,638
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Dec 26 | EVA Air
      BRL 4,790 BRL 25,781
      81% off
      81% off
      BRL 25,781 BRL 4,790
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 18 | EVA Air
      BRL 5,148 BRL 25,781
      80% off
      80% off
      BRL 25,781 BRL 5,148
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Wed, Nov 25 | EVA Air
      BRL 5,151
      80% off
      BRL 25,781 BRL 5,151
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Dec 25 | EVA Air
      BRL 5,368
      79% off
      BRL 25,781 BRL 5,368
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Dec 5 | EVA Air
      BRL 5,742
      78% off
      BRL 25,781 BRL 5,742
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Jan 8 | EVA Air
      BRL 9,734
      62% off
      BRL 25,781 BRL 9,734
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Sat, Jan 9 | EVA Air
      BRL 10,386
      60% off
      BRL 25,781 BRL 10,386
    • SIN 13:15
      20h 40m
      1 stop
      IAD 20:55
      Singapore - Washington D.C. | Fri, Jan 1 | EVA Air
      BRL 10,950
      57% off
      BRL 25,781 BRL 10,950
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • SIN 13:15
      20h 40m
      1 stop
      IAD 21:55
      Singapore - Washington D.C. | Sat, Oct 31 | EVA Air
      BRL 4,706 BRL 6,733
      30% off
      30% off
      BRL 6,733 BRL 4,706
    • SIN 21:00
      24h 35m
      1 stop
      IAD 08:35
      Singapore - Washington D.C. | Sat, Oct 31 | Emirates
      BRL 5,992 BRL 6,733
      11% off
      11% off
      BRL 6,733 BRL 5,992
    • SIN 13:00
      17h 25m
      1 stop
      WAS 14:00
      Singapore - Washington D.C. | Sat, Oct 31 | 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 Singapore Changi Airport to Dulles International Airport

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

The data is based on the past 12 months and shows the average one-way ticket prices from Singapore 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 Singapore Changi Airport to Dulles International Airport are usually in February, with an average price of BRL 3,600. It is best to avoid March, when the average price can reach BRL 8,993.

BRL 8,993
BRL 6,297
BRL 3,600
BRL 904
    Cheapest
  • BRL 4,171
    Oct
  • BRL 6,029
    Nov
  • BRL 4,442
    Dec
  • BRL 5,506
    Jan
  • BRL 3,600
    Feb
  • BRL 8,993
    Mar
  • BRL 6,500
    Apr
  • BRL 6,201
    May
  • BRL 5,857
    Jun
  • BRL 4,578
    Jul
  • BRL 4,713
    Aug
  • BRL 5,997
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Singapore 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 Singapore 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.

BRL 6,416
BRL 5,246
BRL 4,076
BRL 2,906
    Cheapest
  • BRL 5,604
    Mon
  • BRL 5,143
    Tue
  • BRL 6,416
    Wed
  • BRL 4,076
    Thu
  • BRL 6,097
    Fri
  • BRL 6,335
    Sat
  • BRL 5,378
    Sun

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 Thai Lion Air (from BRL 2,677) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Thai Lion Air
From BRL 2,677
Scoot
From BRL 2,722
Air China
From BRL 2,860
Thai AirAsia
From BRL 2,871
Thai Airways
From BRL 3,100
Singapore Airlines
From BRL 3,116
Saudia
From BRL 3,172
Cebu Pacific
From BRL 3,219
Air India Express
From BRL 3,233
IndiGo
From BRL 3,255

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What is the flight schedule from Singapore 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

    Singapore Changi Airport

    21:00

    SIN

    7h 20m

    Direct

    00:20

    AUH

    S M T W T F S
    Search

  2. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Direct

    09:45

    IAD

    S M T W T F S

  3. TR610

    Singapore Changi Airport

    14:15

    SIN

    2h 35m

    Direct

    15:50

    BKK

    S M T W T F S
    Search

  4. EY1045

    Suvarnabhumi Airport

    20:40

    BKK

    6h 30m

    Direct

    00:10

    AUH

    - - T W - - -

  5. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Direct

    09:45

    IAD

    S M T W T F S

  6. CA970

    Singapore Changi Airport

    23:55

    SIN

    6h 20m

    Direct

    06:15

    PEK

    S M T W T F S
    Search

  7. CA817

    Beijing Capital International Airport

    16:00

    PEK

    15h 30m

    Direct

    19:30

    IAD

    - M - - T - -

  8. TR688

    Singapore Changi Airport

    14:25

    SIN

    2h 35m

    Direct

    16:00

    BKK

    S M T W T F S
    Search

  9. EY1045

    Suvarnabhumi Airport

    20:40

    BKK

    6h 30m

    Direct

    00:10

    AUH

    - - T W - - -

  10. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Direct

    09:45

    IAD

    S M T W T F S

  11. SL101

    Singapore Changi Airport

    12:55

    SIN

    2h 20m

    Direct

    14:15

    DMK

    - - T W - - S
    Search

  12. EY1045

    Suvarnabhumi Airport

    20:40

    BKK

    6h 30m

    Direct

    00:10

    AUH

    - - T W - - -

  13. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Direct

    09:45

    IAD

    S M T W T F S

  14. FD358

    Singapore Changi Airport

    11:00

    SIN

    2h 30m

    Direct

    12:30

    DMK

    S M T W T F S
    Search

  15. EY1045

    Suvarnabhumi Airport

    20:40

    BKK

    6h 30m

    Direct

    00:10

    AUH

    - - T W - - -

  16. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Direct

    09:45

    IAD

    S M T W T F S

  17. CA890

    Singapore Changi Airport

    17:55

    SIN

    6h 25m

    Direct

    00:20

    PEK

    S M T W T F S
    Search

  18. CA817

    Beijing Capital International Airport

    16:00

    PEK

    15h 30m

    Direct

    19:30

    IAD

    - M - - T - -

  19. TR610

    Singapore Changi Airport

    14:15

    SIN

    2h 35m

    Direct

    15:50

    BKK

    S M T W T F S
    Search

  20. YP602

    Suvarnabhumi Airport

    22:45

    BKK

    5h 30m

    Direct

    06:15

    ICN

    S M - W T - S

  21. YP135

    Incheon International Airport

    21:05

    ICN

    13h 30m

    Direct

    21:35

    IAD

    - - T - T - S

  22. FD356

    Singapore Changi Airport

    15:30

    SIN

    2h 40m

    Direct

    17:10

    DMK

    S M T W T F S
    Search

  23. YP602

    Suvarnabhumi Airport

    22:45

    BKK

    5h 30m

    Direct

    06:15

    ICN

    S M - W T - S

  24. YP135

    Incheon International Airport

    21:05

    ICN

    13h 30m

    Direct

    21:35

    IAD

    - - T - T - S

  25. SL105

    Singapore Changi Airport

    20:30

    SIN

    2h 35m

    Direct

    22:05

    DMK

    S M T W T F S
    Search

  26. EY403

    Suvarnabhumi Airport

    08:35

    BKK

    7h

    Direct

    12:35

    AUH

    S M T W T F S

  27. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Direct

    09:45

    IAD

    S M T W T F S
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About Singapore Changi Airport and Dulles International Airport

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

Flight distance 15,547.32km
Cheapest one-way ticket price BRL 2,210
Cheapest return ticket price BRL 4,178

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 BRL 2,210, and round-trip fares start from BRL 4,178. The current lowest fare is a Air China flight departing on Mon, Nov 16; 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 BRL 6,263. 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.