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Dulles International Airport to Changi Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Changi Airport over the next 90 days, with one-way fares from €437 and round-trip from €799. Based on Trip.com's latest 7-day flight data.

    • IAD 10:00 AM
      39h 50m
      1 stop
      SIN 2:50 PM
      Washington D.C. - Singapore | Mon, Nov 23 | Ethiopian Airlines
      SIN 2:00 AM
      43h
      1 stop
      IAD 8:00 AM
      Singapore - Washington D.C. | Mon, Nov 30 | Ethiopian Airlines
      €799 €1,132
      28% off
      28% off
      €1,132 €799
    • IAD 2:25 PM
      30h 10m
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Thu, Nov 12 | Etihad Airways
      SIN 7:25 PM
      26h 35m
      1 stop
      IAD 9:00 AM
      Singapore - Washington D.C. | Wed, Nov 18 | Etihad Airways
      €910 €1,132
      20% off
      20% off
      €1,132 €910
    • IAD 10:20 PM
      30h 20m
      1 stop
      SIN 5:40 PM
      Washington D.C. - Singapore | Thu, Nov 5 | Turkish Airlines
      SIN 10:25 AM
      46h
      1 stop
      IAD 7:25 PM
      Singapore - Washington D.C. | Wed, Nov 11 | Turkish Airlines
      €924 €1,132
      18% off
      18% off
      €1,132 €924
    • IAD 1:30 PM
      28h 20m
      1 stop
      SIN 6:50 AM
      Washington D.C. - Singapore | Sat, Nov 14 | Turkish Airlines
      SIN 11:15 PM
      25h 30m
      1 stop
      IAD 11:45 AM
      Singapore - Washington D.C. | Mon, Nov 16 | Turkish Airlines
      €931
      18% off
      €1,132 €931
    • IAD 9:20 PM
      31h 20m
      1 stop
      SIN 5:40 PM
      Washington D.C. - Singapore | Tue, Nov 17 | Turkish Airlines
      SIN 11:15 PM
      33h 10m
      1 stop
      IAD 7:25 PM
      Singapore - Washington D.C. | Thu, Nov 19 | Turkish Airlines
      €933
      18% off
      €1,132 €933
    • IAD 11:50 AM
      28h 10m
      1 stop
      SIN 5:00 AM
      Washington D.C. - Singapore | Thu, Nov 5 | Delta Air Lines
      SIN 10:30 PM
      24h 20m
      1 stop
      IAD 9:50 AM
      Singapore - Washington D.C. | Wed, Nov 11 | Korean Air
      €951
      16% off
      €1,132 €951
    • IAD 2:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Thu, Nov 26 | Etihad Airways
      SIN 7:25 PM
      26h 40m
      1 stop
      IAD 9:05 AM
      Singapore - Washington D.C. | Tue, Dec 1 | Etihad Airways
      €973
      14% off
      €1,132 €973
    • IAD 2:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Sun, Nov 15 | Etihad Airways
      SIN 7:25 PM
      26h 40m
      1 stop
      IAD 9:05 AM
      Singapore - Washington D.C. | Sat, Nov 21 | Etihad Airways
      €991
      12% off
      €1,132 €991
    • IAD 1:30 PM
      28h 20m
      1 stop
      SIN 6:50 AM
      Washington D.C. - Singapore | Mon, Nov 16 | Turkish Airlines
      SIN 11:40 AM
      37h 5m
      1 stop
      IAD 11:45 AM
      Singapore - Washington D.C. | Sat, Nov 21 | Turkish Airlines
      €997
      12% off
      €1,132 €997
    • WAS 1:00 PM
      17h 25m
      1 stop
      SIN 2:00 PM
      Washington D.C. - Singapore | Mon, Nov 2 | Normal Airline
      SIN 3:00 PM
      6h
      Nonstop
      WAS 4:00 PM
      Singapore - Washington D.C. | Wed, Nov 4 | Normal Airline
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    • Cheapest
      IAD 5:50 PM
      32h 40m
      1 stop
      SIN 3:30 PM
      Washington D.C. - Singapore | Sun, Nov 29 | Saudia
      €437 €588
      26% off
      26% off
      €588 €437
    • IAD 11:50 AM
      43h 35m
      1 stop
      SIN 8:25 PM
      Washington D.C. - Singapore | Sun, Nov 29 | Korean Air
      €457 €588
      22% off
      22% off
      €588 €457
    • IAD 2:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Tue, Nov 24 | Etihad Airways
      €458 €588
      22% off
      22% off
      €588 €458
    • IAD 11:50 AM
      43h 35m
      1 stop
      SIN 8:25 PM
      Washington D.C. - Singapore | Tue, Nov 24 | Korean Air
      €470
      20% off
      €588 €470
    • IAD 3:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Sun, Nov 1 | Etihad Airways
      €516
      12% off
      €588 €516
    • IAD 11:50 AM
      43h 35m
      1 stop
      SIN 8:25 PM
      Washington D.C. - Singapore | Fri, Nov 27 | Korean Air
      €521
      11% off
      €588 €521
    • IAD 2:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Mon, Nov 9 | Etihad Airways
      €525
      11% off
      €588 €525
    • IAD 2:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Tue, Nov 17 | Etihad Airways
      €526
      11% off
      €588 €526
    • IAD 2:35 PM
      30h
      1 stop
      SIN 9:35 AM
      Washington D.C. - Singapore | Wed, Nov 18 | Etihad Airways
      €526
      11% off
      €588 €526
    • WAS 1:00 PM
      17h 25m
      1 stop
      SIN 2:00 PM
      Washington D.C. - Singapore | Mon, Nov 2 | Normal Airline
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    • IAD 8:05 PM
      23h 40m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Tue, Nov 3 | Qatar Airways
      €568 €926
      39% off
      39% off
      €926 €568
    • IAD 10:30 AM
      21h 45m
      1 stop
      SIN 9:15 PM
      Washington D.C. - Singapore | Sun, Nov 29 | Qatar Airways
      €568 €926
      39% off
      39% off
      €926 €568
    • IAD 10:30 AM
      21h 45m
      1 stop
      SIN 9:15 PM
      Washington D.C. - Singapore | Sun, Nov 8 | Qatar Airways
      €576 €926
      38% off
      38% off
      €926 €576
    • IAD 11:55 PM
      25h 35m
      1 stop
      SIN 2:30 PM
      Washington D.C. - Singapore | Mon, Nov 30 | EVA Air
      €578
      38% off
      €926 €578
    • IAD 10:30 AM
      21h 45m
      1 stop
      SIN 9:15 PM
      Washington D.C. - Singapore | Fri, Nov 6 | Qatar Airways
      €581
      37% off
      €926 €581
    • IAD 9:20 PM
      22h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Thu, Dec 3 | Turkish Airlines
      €596
      36% off
      €926 €596
    • IAD 9:20 PM
      23h 40m
      1 stop
      SIN 10:00 AM
      Washington D.C. - Singapore | Mon, Nov 30 | Turkish Airlines
      €601
      35% off
      €926 €601
    • IAD 9:20 PM
      22h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Wed, Nov 18 | Turkish Airlines
      €619
      33% off
      €926 €619
    • IAD 11:55 PM
      23h 10m
      1 stop
      SIN 12:05 PM
      Washington D.C. - Singapore | Sat, Nov 14 | EVA Air
      €621
      33% off
      €926 €621
    • WAS 1:00 PM
      17h 25m
      1 stop
      SIN 2:00 PM
      Washington D.C. - Singapore | Mon, Nov 2 | Normal Airline
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    • IAD 10:20 PM
      21h 15m
      1 stop
      SIN 8:35 AM
      Washington D.C. - Singapore | Sat, Nov 7 | Turkish Airlines
      €634 €3,177
      80% off
      80% off
      €3,177 €634
    • IAD 10:20 PM
      21h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Mon, Nov 2 | Turkish Airlines
      €596 €3,177
      81% off
      81% off
      €3,177 €596
    • IAD 10:20 PM
      21h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Wed, Nov 4 | Turkish Airlines
      €596 €3,177
      81% off
      81% off
      €3,177 €596
    • IAD 10:20 PM
      21h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Sun, Nov 1 | Turkish Airlines
      €613
      81% off
      €3,177 €613
    • IAD 10:20 PM
      21h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Tue, Nov 3 | Turkish Airlines
      €615
      81% off
      €3,177 €615
    • IAD 10:20 PM
      21h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Thu, Nov 5 | Turkish Airlines
      €616
      81% off
      €3,177 €616
    • IAD 10:20 PM
      21h 25m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Fri, Nov 6 | Turkish Airlines
      €634
      80% off
      €3,177 €634
    • IAD 10:50 AM
      21h 25m
      1 stop
      SIN 9:15 PM
      Washington D.C. - Singapore | Sun, Dec 20 | American Airlines
      €1,535
      52% off
      €3,177 €1,535
    • IAD 10:10 PM
      21h 45m
      1 stop
      SIN 8:55 AM
      Washington D.C. - Singapore | Thu, Dec 3 | Lufthansa
      €762
      76% off
      €3,177 €762
    • WAS 1:00 PM
      17h 25m
      1 stop
      SIN 2:00 PM
      Washington D.C. - Singapore | Mon, Nov 2 | Normal Airline
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    • IAD 8:05 PM
      23h 40m
      1 stop
      SIN 8:45 AM
      Washington D.C. - Singapore | Tue, Nov 3 | Qatar Airways
      €568 €700
      19% off
      19% off
      €700 €568
    • IAD 10:30 AM
      21h 45m
      1 stop
      SIN 9:15 PM
      Washington D.C. - Singapore | Fri, Nov 6 | Qatar Airways
      €581 €700
      17% off
      17% off
      €700 €581
    • IAD 11:55 PM
      25h 35m
      1 stop
      SIN 2:30 PM
      Washington D.C. - Singapore | Mon, Nov 2 | EVA Air
      €629 €700
      10% off
      10% off
      €700 €629
    • IAD 11:55 PM
      23h 10m
      1 stop
      SIN 12:05 PM
      Washington D.C. - Singapore | Wed, Nov 4 | EVA Air
      €630
      10% off
      €700 €630
    • WAS 1:00 PM
      17h 25m
      1 stop
      SIN 2:00 PM
      Washington D.C. - Singapore | Mon, Nov 2 | Normal Airline
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Displayed flight fares from Washington D.C. to Singapore 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 Dulles International Airport to Changi Airport

What is the cheapest month for one-way flights from Dulles International Airport to Changi Airport?

Data is based on average one-way flight prices from Dulles International Airport to Changi Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Dulles International Airport to Changi Airport, the best time to buy is in February, with an average price of €553. You’ll want to avoid December, when the average price can reach as high as €1,123.

€1,123
€838
€553
€268
    Cheapest
  • €726
    Aug
  • €599
    Sep
  • €627
    Oct
  • €619
    Nov
  • €1,123
    Dec
  • €614
    Jan
  • €553
    Feb
  • €990
    Mar
  • €1,029
    Apr
  • €989
    May
  • €1,104
    Jun
  • €566
    Jul

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

The data is based on the past 12 months and shows the average ticket prices from Dulles International Airport to Changi 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 day to depart from Dulles International Airport to Changi Airport is Sunday, with average fares typically lower than other days. You’ll want to avoid flying on Wednesday, as ticket prices are usually the highest that day.

€1,146
€902
€657
€413
    Cheapest
  • €697
    Mon
  • €662
    Tue
  • €1,146
    Wed
  • €756
    Thu
  • €836
    Fri
  • €799
    Sat
  • €657
    Sun

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

The cheapest airline flying from Dulles International Airport to Changi Airport is Air Premia (from €414) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From €414
Saudia
From €437
Korean Air
From €457
Etihad Airways
From €458
Frontier Airlines
From €460
Delta Air Lines
From €471
American Airlines
From €487
Philippine Airlines
From €492
Alaska Airlines
From €535
Xiamen Airlines
From €540

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. KE094

    Dulles International Airport

    1:15 PM

    IAD

    15h 25m

    Nonstop

    5:40 PM

    ICN

    S M T W T F S
    Search

  2. KE647

    Incheon Intl. Airport

    11:35 PM

    ICN

    6h 25m

    Nonstop

    5:00 AM

    SIN

    S M T W T F S

  3. AA2617

    Dulles International Airport

    6:42 AM

    IAD

    3h 30m

    Nonstop

    9:12 AM

    DFW

    S M T W T F S
    Search

  4. AA061

    Dallas Fort Worth International Airport

    11:45 AM

    DFW

    13h 45m

    Nonstop

    3:30 PM

    NRT

    S M T W T F S

  5. AA8482

    Narita Intl. Airport

    6:05 PM

    NRT

    7h 15m

    Nonstop

    12:20 AM

    SIN

    S M T W T F S

  6. EY006

    Dulles International Airport

    3:10 PM

    IAD

    12h 5m

    Nonstop

    12:15 PM

    AUH

    S M T W T F S
    Search

  7. EY498

    Abu Dhabi Intl. Airport

    10:15 PM

    AUH

    7h 30m

    Nonstop

    9:45 AM

    SIN

    S M T W T F S

  8. SV036

    Dulles International Airport

    6:50 PM

    IAD

    12h 5m

    Nonstop

    1:55 PM

    JED

    - M - W - F -
    Search

  9. SV856

    King Abdulaziz Intl. Airport

    1:35 AM

    JED

    8h 55m

    Nonstop

    3:30 PM

    SIN

    S - T - T - -

  10. AS737

    Dulles International Airport

    5:17 PM

    IAD

    5h 56m

    Nonstop

    8:13 PM

    SEA

    S M T W T F S
    Search

  11. SQ027

    Seattle Tacoma Intl. Airport

    9:40 AM

    SEA

    17h 5m

    Nonstop

    5:45 PM

    SIN

    - M T W T F S

  12. AA1890

    Dulles International Airport

    6:00 AM

    IAD

    5h 56m

    Nonstop

    8:56 AM

    LAX

    S M T W T F S
    Search

  13. AC557

    Los Angeles Intl. Airport

    2:20 PM

    LAX

    2h 53m

    Nonstop

    5:13 PM

    YVR

    S M T W T F S

  14. AC019

    Vancouver Intl. Airport

    11:15 PM

    YVR

    16h 45m

    Nonstop

    7:00 AM

    SIN

    - M T W T - S

  15. AA1890

    Dulles International Airport

    6:00 AM

    IAD

    5h 56m

    Nonstop

    8:56 AM

    LAX

    S M T W T F S
    Search

  16. AC555

    Los Angeles Intl. Airport

    12:55 PM

    LAX

    2h 54m

    Nonstop

    3:49 PM

    YVR

    S M T W T F S

  17. AC019

    Vancouver Intl. Airport

    11:15 PM

    YVR

    16h 45m

    Nonstop

    7:00 AM

    SIN

    - M T W T - S

  18. AS409

    Dulles International Airport

    7:02 AM

    IAD

    5h 42m

    Nonstop

    9:44 AM

    SEA

    S M T W T F S
    Search

  19. PR125

    Seattle Tacoma Intl. Airport

    11:55 PM

    SEA

    12h 30m

    Nonstop

    4:25 AM

    MNL

    S - T W T - S

  20. PR505

    Ninoy Aquino Intl. Airport

    6:40 AM

    MNL

    3h 45m

    Nonstop

    10:25 AM

    SIN

    S M T W T F S

  21. KE094

    Dulles International Airport

    1:15 PM

    IAD

    15h 25m

    Nonstop

    5:40 PM

    ICN

    S M T W T F S
    Search

  22. KE475

    Incheon Intl. Airport

    6:50 PM

    ICN

    5h 20m

    Nonstop

    10:10 PM

    SGN

    S M T W T F S

  23. VJ815

    Tan Son Nhat Intl. Airport

    12:10 PM

    SGN

    2h 5m

    Nonstop

    3:15 PM

    SIN

    - M - W - F -

  24. F94707

    Dulles International Airport

    7:40 AM

    IAD

    2h 14m

    Nonstop

    9:54 AM

    ATL

    S M T W T F S
    Search

  25. F93215

    Hartsfield–Jackson Atlanta International Airport

    3:45 PM

    ATL

    5h 8m

    Nonstop

    5:53 PM

    LAX

    S M T W T F S

  26. MF830

    Los Angeles Intl. Airport

    11:55 PM

    LAX

    15h 5m

    Nonstop

    6:00 AM

    XMN

    - M - W - - S

  27. MF851

    Xiamen Gaoqi Intl. Airport

    9:30 AM

    XMN

    4h 20m

    Nonstop

    1:50 PM

    SIN

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

About Dulles International Airport and Changi Airport

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

Flight distance 15,547.32 km
Cheapest one-way ticket price €437
Cheapest return ticket price €799

FAQs for Dulles International Airport to Changi Airport Flights

  • What is the transportation method from the main airport to downtown in Singapore?

    • The distance from Singapore Changi Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
    • The distance from Seletar Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • One-way flights from Dulles International Airport to Changi Airport currently start from €437, and round-trip fares start from €799. The current lowest fare is a Saudia flight departing on Sun, Nov 29; 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 Dulles International Airport to Changi Airport is €895. Prices may vary depending on the departure date, airline, and availability.
  • Enter Dulles International Airport and Changi 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.