A large indoor waterfall, a glass ceiling, and lush greenery.

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 40% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

S$951 Cheap United flights Washington (IAD) to Singapore (SIN)

Prices were available within the past 7 days and start at S$951 for one-way flights and S$1,714 for return, for the period specified. Prices and availability are subject to change.

All deals

One way

Return

Sun, 13 Sept - Tue, 29 Sept

IAD

Washington

SIN

Singapore

S$1,714

Return

Found 2 hours ago

Travel information

Origin airport	Washington Dulles Intl. Airport
Destination airport	Singapore Changi Airport
Distance	15,529 km away
Airline name	United
Airline code	UA
Return price	S$1,714

Explore a world of travel with Expedia

Flights

Flights to Changi
Standard Link for Flights to Changi
Air New Zealand Christchurch (CHC) to Singapore (SIN) flights
Standard Link for Air New Zealand Christchurch (CHC) to Singapore (SIN) flights
Batik air Kuala Lumpur (KUL) to Singapore (SIN) flights
Standard Link for Batik air Kuala Lumpur (KUL) to Singapore (SIN) flights
British Airways Green Bay (GRB) to Singapore (SIN) flights
Standard Link for British Airways Green Bay (GRB) to Singapore (SIN) flights
British Airways Bristol (BRS) to Singapore (SIN) flights
Standard Link for British Airways Bristol (BRS) to Singapore (SIN) flights
Cathay Pacific Denpasar (DPS) to Singapore (SIN) flights
Standard Link for Cathay Pacific Denpasar (DPS) to Singapore (SIN) flights
China Southern Airlines Chengdu (TFU) to Singapore (SIN) flights
Standard Link for China Southern Airlines Chengdu (TFU) to Singapore (SIN) flights
Emirates Toronto (YYZ) to Singapore (SIN) flights
Standard Link for Emirates Toronto (YYZ) to Singapore (SIN) flights
Emirates Prague (PRG) to Singapore (SIN) flights
Standard Link for Emirates Prague (PRG) to Singapore (SIN) flights
Etihad Airways Stockholm (ARN) to Singapore (SIN) flights
Standard Link for Etihad Airways Stockholm (ARN) to Singapore (SIN) flights
Etihad Airways Barcelona (BCN) to Singapore (SIN) flights
Standard Link for Etihad Airways Barcelona (BCN) to Singapore (SIN) flights
Gulf Air Bangkok (BKK) to Singapore (SIN) flights
Standard Link for Gulf Air Bangkok (BKK) to Singapore (SIN) flights
Hahn Air Systems Hanoi (HAN) to Singapore (SIN) flights
Standard Link for Hahn Air Systems Hanoi (HAN) to Singapore (SIN) flights
Klm Istanbul (IST) to Singapore (SIN) flights
Standard Link for Klm Istanbul (IST) to Singapore (SIN) flights
Klm Toronto (YYZ) to Singapore (SIN) flights
Standard Link for Klm Toronto (YYZ) to Singapore (SIN) flights
Lufthansa Kamloops (YKA) to Singapore (SIN) flights
Standard Link for Lufthansa Kamloops (YKA) to Singapore (SIN) flights
Malaysia Airlines Honolulu (HNL) to Singapore (SIN) flights
Standard Link for Malaysia Airlines Honolulu (HNL) to Singapore (SIN) flights
Malaysia Airlines Rome (ROM) to Singapore (SIN) flights
Standard Link for Malaysia Airlines Rome (ROM) to Singapore (SIN) flights
Philippines AirAsia Davao (DVO) to Singapore (SIN) flights
Standard Link for Philippines AirAsia Davao (DVO) to Singapore (SIN) flights
Qatar Airways Birmingham (BHM) to Singapore (SIN) flights
Standard Link for Qatar Airways Birmingham (BHM) to Singapore (SIN) flights
Qatar Airways Mumbai (BOM) to Singapore (SIN) flights
Standard Link for Qatar Airways Mumbai (BOM) to Singapore (SIN) flights
Qatar Airways London (LHR) to Singapore (SIN) flights
Standard Link for Qatar Airways London (LHR) to Singapore (SIN) flights
Qatar Airways Mexico City (MEX) to Singapore (SIN) flights
Standard Link for Qatar Airways Mexico City (MEX) to Singapore (SIN) flights
Scoot Tianjin (TSN) to Singapore (SIN) flights
Standard Link for Scoot Tianjin (TSN) to Singapore (SIN) flights
Scoot Surabaya (SUB) to Singapore (SIN) flights
Standard Link for Scoot Surabaya (SUB) to Singapore (SIN) flights
Singapore Airlines Davao (DVO) to Singapore (SIN) flights
Standard Link for Singapore Airlines Davao (DVO) to Singapore (SIN) flights
Singapore Airlines Jakarta (CGK) to Singapore (SIN) flights
Standard Link for Singapore Airlines Jakarta (CGK) to Singapore (SIN) flights
Turkish Airlines Houston (IAH) to Singapore (SIN) flights
Standard Link for Turkish Airlines Houston (IAH) to Singapore (SIN) flights
Turkish Airlines Hong Kong (HKG) to Singapore (SIN) flights
Standard Link for Turkish Airlines Hong Kong (HKG) to Singapore (SIN) flights
Turkish Airlines Tunis (TUN) to Singapore (SIN) flights
Standard Link for Turkish Airlines Tunis (TUN) to Singapore (SIN) flights
Vietjet Air Ho Chi Minh City (SGN) to Singapore (SIN) flights
Standard Link for Vietjet Air Ho Chi Minh City (SGN) to Singapore (SIN) flights
Vietnam Airlines Bangkok (BKK) to Singapore (SIN) flights
Standard Link for Vietnam Airlines Bangkok (BKK) to Singapore (SIN) flights
Flights from Bacolod (BCD) to Singapore (SIN)
Standard Link for Flights from Bacolod (BCD) to Singapore (SIN)
Flights from Kota Kinabalu (BKI) to Singapore (SIN)
Standard Link for Flights from Kota Kinabalu (BKI) to Singapore (SIN)
Flights from Bangkok (BKK) to Singapore (SIN)
Standard Link for Flights from Bangkok (BKK) to Singapore (SIN)
Flights from Boston (BOS) to Singapore (SIN)
Standard Link for Flights from Boston (BOS) to Singapore (SIN)
Flights from Cairo (CAI) to Singapore (SIN)
Standard Link for Flights from Cairo (CAI) to Singapore (SIN)
Flights from Paris (CDG) to Singapore (SIN)
Standard Link for Flights from Paris (CDG) to Singapore (SIN)
Flights from Cebu (CEB) to Singapore (SIN)
Standard Link for Flights from Cebu (CEB) to Singapore (SIN)
Flights from Jakarta (CGK) to Singapore (SIN)
Standard Link for Flights from Jakarta (CGK) to Singapore (SIN)
Flights from Christchurch (CHC) to Singapore (SIN)
Standard Link for Flights from Christchurch (CHC) to Singapore (SIN)
Flights from Columbus (CMH) to Singapore (SIN)
Standard Link for Flights from Columbus (CMH) to Singapore (SIN)
Flights from Copenhagen (CPH) to Singapore (SIN)
Standard Link for Flights from Copenhagen (CPH) to Singapore (SIN)
Flights from Angeles City (CRK) to Singapore (SIN)
Standard Link for Flights from Angeles City (CRK) to Singapore (SIN)
Flights from Sapporo (CTS) to Singapore (SIN)
Standard Link for Flights from Sapporo (CTS) to Singapore (SIN)
Flights from Chengdu (CTU) to Singapore (SIN)
Standard Link for Flights from Chengdu (CTU) to Singapore (SIN)
Flights from Da Nang (DAD) to Singapore (SIN)
Standard Link for Flights from Da Nang (DAD) to Singapore (SIN)
Flights from Delhi (DEL) to Singapore (SIN)
Standard Link for Flights from Delhi (DEL) to Singapore (SIN)
Flights from Doha (DOH) to Singapore (SIN)
Standard Link for Flights from Doha (DOH) to Singapore (SIN)
Flights from Dublin (DUB) to Singapore (SIN)
Standard Link for Flights from Dublin (DUB) to Singapore (SIN)
Flights from Rome (FCO) to Singapore (SIN)
Standard Link for Flights from Rome (FCO) to Singapore (SIN)
Flights from Frankfurt (FRA) to Singapore (SIN)
Standard Link for Flights from Frankfurt (FRA) to Singapore (SIN)
Flights from Fukuoka (FUK) to Singapore (SIN)
Standard Link for Flights from Fukuoka (FUK) to Singapore (SIN)
Flights from Hong Kong (HKG) to Singapore (SIN)
Standard Link for Flights from Hong Kong (HKG) to Singapore (SIN)
Flights from Phuket (HKT) to Singapore (SIN)
Standard Link for Flights from Phuket (HKT) to Singapore (SIN)
Flights from Imphal (IMF) to Singapore (SIN)
Standard Link for Flights from Imphal (IMF) to Singapore (SIN)
Flights from Iron Mountain (IMT) to Singapore (SIN)
Standard Link for Flights from Iron Mountain (IMT) to Singapore (SIN)
Flights from Ipoh (IPH) to Singapore (SIN)
Standard Link for Flights from Ipoh (IPH) to Singapore (SIN)
Flights from Istanbul (IST) to Singapore (SIN)
Standard Link for Flights from Istanbul (IST) to Singapore (SIN)
Flights from Madurai (IXM) to Singapore (SIN)
Standard Link for Flights from Madurai (IXM) to Singapore (SIN)
Flights from Yogyakarta (JOG) to Singapore (SIN)
Standard Link for Flights from Yogyakarta (JOG) to Singapore (SIN)
Flights from Jaisalmer (JSA) to Singapore (SIN)
Standard Link for Flights from Jaisalmer (JSA) to Singapore (SIN)
Flights from Kathmandu (KTM) to Singapore (SIN)
Standard Link for Flights from Kathmandu (KTM) to Singapore (SIN)
Flights from Kuala Lumpur (KUL) to Singapore (SIN)
Standard Link for Flights from Kuala Lumpur (KUL) to Singapore (SIN)
Flights from Los Angeles (LAX) to Singapore (SIN)
Standard Link for Flights from Los Angeles (LAX) to Singapore (SIN)
Flights from Langkawi (LGK) to Singapore (SIN)
Standard Link for Flights from Langkawi (LGK) to Singapore (SIN)
Flights from London (LHR) to Singapore (SIN)
Standard Link for Flights from London (LHR) to Singapore (SIN)
Flights from Macau (MFM) to Singapore (SIN)
Standard Link for Flights from Macau (MFM) to Singapore (SIN)
Flights from Merida (MID) to Singapore (SIN)
Standard Link for Flights from Merida (MID) to Singapore (SIN)
Flights from Manila (MNL) to Singapore (SIN)
Standard Link for Flights from Manila (MNL) to Singapore (SIN)
Flights from Nanning (NNG) to Singapore (SIN)
Standard Link for Flights from Nanning (NNG) to Singapore (SIN)
Flights from Nan (NNT) to Singapore (SIN)
Standard Link for Flights from Nan (NNT) to Singapore (SIN)
Flights from Nowra (NOA) to Singapore (SIN)
Standard Link for Flights from Nowra (NOA) to Singapore (SIN)
Flights from Tokyo (NRT) to Singapore (SIN)
Standard Link for Flights from Tokyo (NRT) to Singapore (SIN)
Flights from Orange (OAG) to Singapore (SIN)
Standard Link for Flights from Orange (OAG) to Singapore (SIN)
Flights from Wyk auf Foehr (OHR) to Singapore (SIN)
Standard Link for Flights from Wyk auf Foehr (OHR) to Singapore (SIN)
Flights from Penang (PEN) to Singapore (SIN)
Standard Link for Flights from Penang (PEN) to Singapore (SIN)
Flights from Pierre (PIR) to Singapore (SIN)
Standard Link for Flights from Pierre (PIR) to Singapore (SIN)
Flights from Palanga (PLQ) to Singapore (SIN)
Standard Link for Flights from Palanga (PLQ) to Singapore (SIN)
Flights from Phnom Penh (PNH) to Singapore (SIN)
Standard Link for Flights from Phnom Penh (PNH) to Singapore (SIN)
Flights from Port Pirie (PPI) to Singapore (SIN)
Standard Link for Flights from Port Pirie (PPI) to Singapore (SIN)
Flights from Busan (PUS) to Singapore (SIN)
Standard Link for Flights from Busan (PUS) to Singapore (SIN)
Flights from Shanghai (PVG) to Singapore (SIN)
Standard Link for Flights from Shanghai (PVG) to Singapore (SIN)
Flights from Raleigh (RDU) to Singapore (SIN)
Standard Link for Flights from Raleigh (RDU) to Singapore (SIN)
Flights from Yangon (RGN) to Singapore (SIN)
Standard Link for Flights from Yangon (RGN) to Singapore (SIN)
Flights from Sand Point (SDP) to Singapore (SIN)
Standard Link for Flights from Sand Point (SDP) to Singapore (SIN)
Flights from Ho Chi Minh City (SGN) to Singapore (SIN)
Standard Link for Flights from Ho Chi Minh City (SGN) to Singapore (SIN)
Flights from Surabaya (SUB) to Singapore (SIN)
Standard Link for Flights from Surabaya (SUB) to Singapore (SIN)
Flights from Sydney (SYD) to Singapore (SIN)
Standard Link for Flights from Sydney (SYD) to Singapore (SIN)
Flights from Subang (SZB) to Singapore (SIN)
Standard Link for Flights from Subang (SZB) to Singapore (SIN)
Flights from Shenzhen (SZX) to Singapore (SIN)
Standard Link for Flights from Shenzhen (SZX) to Singapore (SIN)
Flights from Taipei (TPE) to Singapore (SIN)
Standard Link for Flights from Taipei (TPE) to Singapore (SIN)
Flights from Trondheim (TRD) to Singapore (SIN)
Standard Link for Flights from Trondheim (TRD) to Singapore (SIN)
Flights from Tiruchirappalli (TRZ) to Singapore (SIN)
Standard Link for Flights from Tiruchirappalli (TRZ) to Singapore (SIN)
Flights from Wenzhou (WNZ) to Singapore (SIN)
Standard Link for Flights from Wenzhou (WNZ) to Singapore (SIN)
Flights from Wuhan (WUH) to Singapore (SIN)
Standard Link for Flights from Wuhan (WUH) to Singapore (SIN)
Flights from Xi'an (XIY) to Singapore (SIN)
Standard Link for Flights from Xi'an (XIY) to Singapore (SIN)
Flights from Yuncheng (YCU) to Singapore (SIN)
Standard Link for Flights from Yuncheng (YCU) to Singapore (SIN)
Flights from Halifax (YHZ) to Singapore (SIN)
Standard Link for Flights from Halifax (YHZ) to Singapore (SIN)
Flights from Montreal (YUL) to Singapore (SIN)
Standard Link for Flights from Montreal (YUL) to Singapore (SIN)

*Available to Expedia members.

United flights to Singapore from Washington

Be in the know

Book smarter

Earn twice

S$951 Cheap United flights Washington (IAD) to Singapore (SIN)

Travel information

Explore a world of travel with Expedia