Cheap Flights from Seattle (BFI) to Singapore (SIN)
Photo by Changi Airport Group
Popular airlines from Seattle, WA (BFI-Boeing Field) to Singapore Changi Airport (SIN)
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 30% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our OneKeyCash
Book with confidence
Seattle to Singapore Flights
The cheapest times to fly from Seattle to Singapore
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Singapore are during the month of . You can find some of the cheapest flights from Seattle to Singapore with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seattle to Singapore
Sunday is one of the best days to book for cheap flights from Seattle to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Seattle to Singapore
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Singapore in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Travel information
| Origin airport | Seattle, WA |
|---|---|
| Destination airport | Singapore Changi Airport |
| Distance | 8,060 miles away |
Explore a world of travel with Expedia
- Flights from Phuket (HKT) to Singapore (SIN)
- Flights from Karachi (KHI) to Singapore (SIN)
- Flights from Cincinnati (CVG) to Singapore (SIN)
- Flights from Auckland (AKL) to Singapore (SIN)
- Flights from Houston (IAH) to Singapore (SIN)
- Flights from Los Angeles (LAX) to Singapore (SIN)
- Flights from Newark Liberty Intl. Airport (EWR) to Singapore (SIN)
- Flights from Amsterdam (AMS) to Singapore (SIN)
- Flights from Athens (ATH) to Singapore (SIN)
- Flights from Raleigh (RDU) to Singapore (SIN)
- Flights from Peoria (PIA) to Singapore (SIN)
- Flights from St. Louis (STL) to Singapore (SIN)
- Flights from Atlanta (ATL) to Singapore (SIN)
- Flights from Detroit (DTW) to Singapore (SIN)
- Flights from Lagos (LOS) to Singapore (SIN)
- Flights from Dhaka (DAC) to Singapore (SIN)
- Flights from Mumbai (BOM) to Singapore (SIN)
- Flights from Seattle (SEA) to Singapore (SIN)
- Flights from Iloilo (ILO) to Singapore (SIN)
- Flights from Tokyo (NRT) to Singapore (SIN)
- Flights from Baltimore (BWI) to Singapore (SIN)
- Flights from Yogyakarta (JOG) to Singapore (SIN)
- Flights from Fort Lauderdale (FLL) to Singapore (SIN)
- Flights from Pittsburgh (PIT) to Singapore (SIN)
- Flights from Kuala Lumpur (KUL) to Singapore (SIN)
- Flights from Istanbul (IST) to Singapore (SIN)
- Flights from Johannesburg (JNB) to Singapore (SIN)
- Flights from Panama City (PTY) to Singapore (SIN)
- Flights from Dubai (DXB) to Singapore (SIN)
- Flights from Jakarta (CGK) to Singapore (SIN)
- Flights from Bangkok (BKK) to Singapore (SIN)
- Flights from Boston (BOS) to Singapore (SIN)
- Flights from Minneapolis (MSP) to Singapore (SIN)
- Flights from Vientiane (VTE) to Singapore (SIN)
- Flights from Islamabad (ISB) to Singapore (SIN)
- Flights from Hanoi (HAN) to Singapore (SIN)
- Flights from Dallas (DFW) to Singapore (SIN)
- Flights from Madrid (MAD) to Singapore (SIN)
- Flights from Cebu (CEB) to Singapore (SIN)
- Flights from Phoenix (PHX) to Singapore (SIN)
- Flights from Chicago (ORD) to Singapore (SIN)
- Flights from Nashville (BNA) to Singapore (SIN)
- Flights from Beijing (PEK) to Singapore (SIN)
- Flights from Kingston (KIN) to Singapore (SIN)
- Flights from Doha (DOH) to Singapore (SIN)
- Flights from Bengaluru (BLR) to Singapore (SIN)
- Flights from Davao (DVO) to Singapore (SIN)
- Flights from Entebbe (EBB) to Singapore (SIN)
- Flights from Male (MLE) to Singapore (SIN)
- Flights from Tokyo (HND) to Singapore (SIN)
- Flights from Taipei (TPE) to Singapore (SIN)
- Flights from Yangon (RGN) to Singapore (SIN)
- Flights from Charlotte (CLT) to Singapore (SIN)
- Flights from Seoul (ICN) to Singapore (SIN)
- Flights from Hong Kong (HKG) to Singapore (SIN)
- Flights from Salt Lake City (SLC) to Singapore (SIN)
- Flights from San Diego (SAN) to Singapore (SIN)
- Flights from Osaka (KIX) to Singapore (SIN)
- Flights from Orlando (MCO) to Singapore (SIN)
- Flights from Guam (GUM) to Singapore (SIN)
- Flights from Denpasar (DPS) to Singapore (SIN)
- Flights from Nadi (NAN) to Singapore (SIN)
- Flights from Krabi (KBV) to Singapore (SIN)
- Flights from Ho Chi Minh City (SGN) to Singapore (SIN)
- Flights from Philadelphia (PHL) to Singapore (SIN)
- Flights from Rome (FCO) to Singapore (SIN)
- Flights from Nairobi (NBO) to Singapore (SIN)
- Flights from Toronto (YYZ) to Singapore (SIN)
- Flights from Miami (MIA) to Singapore (SIN)
- Flights from Colombo (CMB) to Singapore (SIN)
- Flights from Tampa (TPA) to Singapore (SIN)
- Flights from Shanghai (PVG) to Singapore (SIN)
- Flights from Tel Aviv (TLV) to Singapore (SIN)
- Flights from Anchorage (ANC) to Singapore (SIN)
- Flights from Chennai (MAA) to Singapore (SIN)
- Flights from Portland (PDX) to Singapore (SIN)
- Flights from London (LHR) to Singapore (SIN)
- Flights from Omaha (OMA) to Singapore (SIN)
- Flights from New York (JFK) to Singapore (SIN)
- Flights from Kathmandu (KTM) to Singapore (SIN)
- Flights from Las Vegas (LAS) to Singapore (SIN)
- Flights from Sacramento (SMF) to Singapore (SIN)
- Flights from Da Nang (DAD) to Singapore (SIN)
- Flights from Penang (PEN) to Singapore (SIN)
- Flights from Sydney (SYD) to Singapore (SIN)
- Flights from Denver (DEN) to Singapore (SIN)
- Flights from Lahore (LHE) to Singapore (SIN)
- Flights from Phnom Penh (PNH) to Singapore (SIN)
- Flights from Port of Spain (POS) to Singapore (SIN)
- Flights from Delhi (DEL) to Singapore (SIN)
- Flights from Vancouver (YVR) to Singapore (SIN)
- Flights from Angeles City (CRK) to Singapore (SIN)
- Flights from Bandar Seri Begawan (BWN) to Singapore (SIN)
- Flights from Austin (AUS) to Singapore (SIN)
- Flights from Boise (BOI) to Singapore (SIN)
- Flights from Paris (CDG) to Singapore (SIN)
- Flights from Manila (MNL) to Singapore (SIN)
- Flights from Frankfurt (FRA) to Singapore (SIN)
- Flights from Washington (IAD) to Singapore (SIN)
- Flights from San Francisco (SFO) to Singapore (SIN)
*Available to One Key members.