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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 £414 and round-trip from £598. Based on Trip.com's latest 7-day flight data.

      • SIN 23:25
        32h 5m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Sun, Nov 1 | Air China
        IAD 23:00
        29h 15m
        1 stop
        SIN 16:15
        Washington D.C. - Singapore | Fri, Nov 6 | Air China
        £598 £662
        10% off
        10% off
        £662 £598
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Sun, Nov 29 | Air China
        IAD 22:00
        29h 15m
        1 stop
        SIN 16:15
        Washington D.C. - Singapore | Fri, Dec 4 | Air China
        £598 £662
        10% off
        10% off
        £662 £598
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Sun, Nov 22 | Air China
        IAD 22:00
        29h 15m
        1 stop
        SIN 16:15
        Washington D.C. - Singapore | Fri, Nov 27 | Air China
        £598 £662
        10% off
        10% off
        £662 £598
      • SIN 23:55
        31h 35m
        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 | Mon, Nov 23 | Air China
        £598
        10% off
        £662 £598
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Sun, Nov 15 | Air China
        IAD 22:00
        29h 15m
        1 stop
        SIN 16:15
        Washington D.C. - Singapore | Fri, Nov 20 | Air China
        £598
        10% off
        £662 £598
      • 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 | Mon, Nov 16 | Air China
        £598
        10% off
        £662 £598
      • SIN 17:45
        37h 45m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Sun, Nov 8 | Air China
        IAD 22:00
        29h 15m
        1 stop
        SIN 16:15
        Washington D.C. - Singapore | Fri, Nov 13 | Air China
        £598
        10% off
        £662 £598
      • SIN 23:55
        31h 35m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Thu, Nov 5 | Air China
        IAD 23:00
        34h 55m
        1 stop
        SIN 21:55
        Washington D.C. - Singapore | Mon, Nov 9 | Air China
        £598
        10% off
        £662 £598
      • SIN 09:00
        22h 30m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Mon, Nov 2 | Air China
        IAD 23:00
        29h 15m
        1 stop
        SIN 16:15
        Washington D.C. - Singapore | Fri, Nov 6 | Air China
        £598
        10% off
        £662 £598
      • SIN 09:00
        22h 30m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Mon, Oct 12 | Air China
        IAD 23:00
        29h 25m
        1 stop
        SIN 16:25
        Washington D.C. - Singapore | Fri, Oct 16 | Air China
        £598
        10% off
        £662 £598
      • SIN 23:25
        32h 5m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Sun, Oct 11 | Air China
        IAD 23:00
        34h 55m
        1 stop
        SIN 21:55
        Washington D.C. - Singapore | Fri, Oct 16 | Air China
        £598
        10% off
        £662 £598
      • SIN 17:55
        37h 35m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Thu, Oct 29 | Air China
        IAD 23:00
        34h 55m
        1 stop
        SIN 21:55
        Washington D.C. - Singapore | Mon, Nov 2 | Air China
        £602
        9% off
        £662 £602
      • SIN 13:00
        17h 25m
        1 stop
        WAS 14:00
        Singapore - Washington D.C. | Sun, Oct 11 | Normal Airline
        WAS 15:00
        6h
        Direct
        SIN 16:00
        Washington D.C. - Singapore | Tue, Oct 13 | Normal Airline
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      • SIN 23:55
        31h 35m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Mon, Nov 16 | Air China
        £414 £486
        15% off
        15% off
        £486 £414
      • SIN 17:45
        37h 45m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Mon, Oct 26 | Air China
        £416 £486
        14% off
        14% off
        £486 £416
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Thu, Nov 5 | Air China
        £418 £486
        14% off
        14% off
        £486 £418
      • SIN 23:55
        31h 35m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Mon, Nov 23 | Air China
        £420
        14% off
        £486 £420
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Thu, Nov 26 | Air China
        £420
        14% off
        £486 £420
      • SIN 23:55
        31h 35m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Mon, Nov 9 | Air China
        £420
        14% off
        £486 £420
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Mon, Nov 2 | Air China
        £421
        13% off
        £486 £421
      • SIN 23:55
        31h 35m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Thu, Nov 12 | Air China
        £423
        13% off
        £486 £423
      • SIN 17:45
        37h 45m
        1 stop
        IAD 19:30
        Singapore - Washington D.C. | Thu, Oct 29 | Air China
        £424
        13% off
        £486 £424
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Thu, Dec 3 | Air China
        £428
        12% off
        £486 £428
      • SIN 17:45
        37h 45m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Thu, Nov 19 | Air China
        £435
        10% off
        £486 £435
      • SIN 23:55
        31h 35m
        1 stop
        IAD 18:30
        Singapore - Washington D.C. | Mon, Dec 7 | Air China
        £442
        9% off
        £486 £442
      • SIN 13:00
        17h 25m
        1 stop
        WAS 14:00
        Singapore - Washington D.C. | Sun, Oct 11 | Normal Airline
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Displayed flight fares from Singapore Changi Airport to Dulles International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

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 £506. It is best to avoid March, when the average price can reach £1,264.

£1,264
£885
£506
£127
    Cheapest
  • £563
    Oct
  • £848
    Nov
  • £625
    Dec
  • £774
    Jan
  • £506
    Feb
  • £1,264
    Mar
  • £914
    Apr
  • £872
    May
  • £823
    Jun
  • £644
    Jul
  • £663
    Aug
  • £843
    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 Friday as prices are typically highest on that day.

£921
£796
£671
£546
    Cheapest
  • £773
    Mon
  • £723
    Tue
  • £902
    Wed
  • £671
    Thu
  • £921
    Fri
  • £891
    Sat
  • £756
    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 £377) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Thai Lion Air
From £377
Scoot
From £383
Air China
From £402
Thai AirAsia
From £404
Thai Airways
From £436
Singapore Airlines
From £438
Saudia
From £446
Cebu Pacific
From £453
Air India Express
From £455
IndiGo
From £458

Find more flights and airlines

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. CA970

    Singapore Changi Airport

    23:25

    SIN

    6h 35m

    Direct

    06:00

    PEK

    S - T W T F S
    Search

  4. CA817

    Beijing Capital International Airport

    16:00

    PEK

    15h 30m

    Direct

    19:30

    IAD

    - M - - T - -

  5. CA890

    Singapore Changi Airport

    17:55

    SIN

    6h 25m

    Direct

    00:20

    PEK

    S M T W T F S
    Search

  6. CA817

    Beijing Capital International Airport

    16:00

    PEK

    15h 30m

    Direct

    19:30

    IAD

    - M - - T - -

  7. 5J804

    Singapore Changi Airport

    01:10

    SIN

    3h 55m

    Direct

    05:05

    MNL

    S - - W - - -
    Search

  8. PR112

    Ninoy Aquino International Airport

    11:25

    MNL

    14h 35m

    Direct

    10:00

    LAX

    S M T W T F S

  9. AA3071

    Los Angeles International Airport

    21:42

    LAX

    4h 50m

    Direct

    05:32

    IAD

    S M T W T F S

  10. SL105

    Singapore Changi Airport

    21:45

    SIN

    2h 30m

    Direct

    23:15

    DMK

    S M T W T F S
    Search

  11. EY405

    Suvarnabhumi Airport

    15:55

    BKK

    6h 15m

    Direct

    19:10

    AUH

    S M T W T F S

  12. 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 £414
Cheapest return ticket price £598

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 £414, and round-trip fares start from £598. 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 £890. 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.