
Keep the following information in mind while searching for USA to Singapore flight deals. Data was last updated November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $720 (Air China) |
One-way from | $330 (Booking.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,305 |
Good round-trip deal | $678 or less |
Good one-way deal | $344 or less |
Fly from
Fly to
Route
Depart
Return
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Mon 2/8
11:00 am-12:15 am
1 stop21h 15m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Wed 2/10
7:15 am-5:00 am
2 stops29h 45m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Mon 2/15
7:20 am-5:00 am
2 stops29h 40m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Sat 2/6
12:10 am-8:25 pm
1 stop28h 15m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Wed 2/17
7:00 am-8:15 pm
1 stop21h 15m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Sat 4/17
1:05 pm-5:00 am
1 stop24h 55m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Sun 4/18
1:05 pm-5:00 am
1 stop24h 55m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Sat 4/17
4:15 pm-5:00 am
2 stops45h 45m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Sun 4/18
4:15 pm-5:00 am
2 stops45h 45m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Sat 2/13
5:55 pm-8:25 pm
2 stops34h 30m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
Everything you need to know about your flight from the United States to Singapore
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Food
Overall
Crew
Boarding
Entertainment
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Find useful and relevant information for your journey from USA to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$814 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$575 | Average$1,171 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$579 | Average$767 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$592 | Average$816 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$622 | Average$1,173 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$629 | Average$674 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$634 | Average$794 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$652 | Average$1,147 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$740 | Average$1,142 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$784 | Average$1,630 | FlexibilityNo cancel fee | On-time76% |