
Keep the following information in mind while searching for USA to Singapore flight deals. Data was last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $710 (oojo) |
One-way from | $332 (Booking.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,305 |
Good round-trip deal | $676 or less |
Good one-way deal | $337 or less |
Fly from
Fly to
Route
Depart
Return
SeattleSingapore
SEA Seattle/Tacoma Intl - SIN Singapore Changi
SEASIN
Seattle/Tacoma Intl
Mon 2/1
12:50 pm-5:00 am
1 stop24h 10m
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
Tue 2/2
11:00 am-8:25 pm
1 stop41h 25m
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 2/1
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
Fri 11/27
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
Sun 11/8
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
Thu 11/26
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
Sun 11/22
4:39 pm-8:15 pm
2 stops35h 36m
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
Tue 11/24
4:39 pm-8:15 pm
2 stops35h 36m
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 11/23
12:30 pm-5:00 am
1 stop24h 30m
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 1/23
3:45 pm-6:55 am
1 stop23h 10m
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
Entertainment
Crew
Overall
Boarding
Food
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Entertainment
Crew
Overall
Boarding
Food
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Entertainment
Crew
Overall
Boarding
Food
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Entertainment
Crew
Overall
Boarding
Food
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Entertainment
Crew
Overall
Boarding
Food
Comfort
Reviews
Judith,Sep 2026
SFO - SIN
Entertainment
Crew
Overall
Boarding
Food
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$1,165 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$579 | Average$766 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$592 | Average$816 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$622 | Average$1,414 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$629 | Average$674 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$634 | Average$828 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$652 | Average$1,147 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$740 | Average$1,130 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$784 | Average$1,623 | FlexibilityNo cancel fee | On-time76% |