Cheap flights from Singapore to Washington from $448
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Tue 1/12
8:15 am-10:05 am
1 stop17h 50m
Seattle/Tacoma Intl
Wed 1/13
8:45 am-6:40 am
2 stops29h 55m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Fri 11/13
8:55 am-7:05 am
Nonstop14h 10m
Seattle/Tacoma Intl
Sat 11/28
8:40 am-5:45 pm
Nonstop17h 05m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Fri 11/13
10:10 am-12:59 am
1 stop30h 49m
Seattle/Tacoma Intl
Sat 11/28
8:40 am-5:45 pm
Nonstop17h 05m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Sun 11/22
8:55 am-7:05 am
Nonstop14h 10m
Seattle/Tacoma Intl
Sun 11/29
8:40 am-5:45 pm
Nonstop17h 05m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Mon 1/11
2:20 am-3:07 pm
2 stops28h 47m
Seattle/Tacoma Intl
Wed 1/13
7:10 am-12:50 am
2 stops25h 40m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Fri 11/20
8:40 am-9:32 am
1 stop16h 52m
Seattle/Tacoma Intl
Fri 11/27
10:10 am-7:00 am
1 stop28h 50m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Sun 11/15
8:40 am-9:32 am
1 stop16h 52m
Seattle/Tacoma Intl
Sun 11/22
8:40 am-7:00 am
1 stop30h 20m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Thu 10/22
2:00 pm-4:10 pm
1 stop17h 10m
Seattle/Tacoma Intl
Sat 10/24
12:45 am-1:25 pm
1 stop21h 40m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Thu 3/11
2:45 pm-3:05 pm
1 stop16h 20m
Seattle/Tacoma Intl
Mon 3/22
12:45 am-1:25 pm
1 stop21h 40m
SingaporeSeattle
SIN Singapore Changi - SEA Seattle/Tacoma Intl
SINSEA
Singapore Changi
Tue 12/22
2:45 pm-3:05 pm
1 stop16h 20m
Seattle/Tacoma Intl
Mon 1/11
11:45 pm-1:25 pm
1 stop21h 40m
See travel insights to Washington from
How to get the cheapest flight ticket from Singapore to State of Washington
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to State of Washington?
The month of February is, on average, the cheapest month to fly to State of Washington from Singapore, with most prices found around $835. If you aren’t able to travel to State of Washington during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $854.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from Singapore to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $1,021. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to State of Washington for around $1,176.
What is the cheapest Singapore Changi to Washington flight route?
Fly from Singapore Changi to Seattle/Tacoma Intl for the best Singapore Changi - Washington flight prices
How far in advance should I book a flight from Singapore to Washington?
You are more likely to see cheaper flights to State of Washington from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $932 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Singapore for as low as $666 on momondo.
What cabin class options are available on Singapore to State of Washington flights?
There are 3 cabin classes available to choose from on Singapore to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Singapore to State of Washington flights?
You could potentially save up to 9% on your flight if you consider stops on a Singapore to State of Washington flight.
Cheap Singapore to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Singapore to State of Washington
Frequently asked questions about flying from Singapore to Washington
When did momondo last update prices for flights from Singapore Changi Airport to Washington?
Prices for flights from Singapore Changi Airport to Washington were last updated today.
How many operators does momondo search for flights from Singapore Changi Airport to Washington?
As of October 2026, there are 2 operators available to choose from for flights from Singapore Changi Airport to Washington.
How old do you have to be to fly from Singapore Changi Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore Changi Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Singapore to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Singapore to State of Washington is Airbus A350-900 (100.00% of total bookings).
Best airlines flying from Singapore to State of Washington
Compare and see reviews for airlines that fly from Singapore to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $807 | Free Cancellation | Rating 8.8 393 reviews | |||
| PriceFrom $910 | Free Cancellation | Rating 8.2 1,624 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Singapore to Washington?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Singapore to Washington. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Singapore to Washington with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Washington from Singapore with this policy.
How can momondo help me find flights from Singapore to Washington?
Once all potential Singapore to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Singapore to Washington right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Singapore to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.