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S$ 535 Find cheap flights from Washington to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington to Singapore departing on 11-11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Low season

August

High season

November

Cheapest flight

S$ 535
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly and prices are also 21% lower on average.
Flight from Seattle to Singapore

FAQs for booking flights from Washington to Singapore

  • How does KAYAK find such low prices on flights from Washington to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Flights from Washington to Singapore: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Washington to Singapore 
Verified travelerFlew with Singapore AirlinesSEA-SINAug 2024
If you need special meals book them early
JeffFlew with Singapore AirlinesSEA-SINJan 2024
Delta & Alaska have best boarding process! Singapore airlines was ok!

Top 3 airlines serving from Washington to Singapore

Need help choosing which airline to fly with from Washington to Singapore? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Singapore AirlinesOverall score based on 1334 reviews
8.6Crew
8.0Entertainment
8.0Comfort
7.7Food
8.3Boarding
Airline reviews

The seats were more narrow than at other lines. Food was mediocre (economy class)

6.0 GoodMonica, Oct 2024SEA - SIN
Read more Singapore Airlines reviews

The seats were more narrow than at other lines. Food was mediocre (economy class)

The crew have great customer service but their economy seating isn’t the most comfortable for a 220lbs+ guy and the food wasn’t bad, but wasn’t exceptional, either.

Food option Hindu veg to Hindu non veg request was unheard

They made 22 hours aboard aircraft very enjoyable. I was very impressed with the attention to detail and level of service. Singapore airline will be my preferred choice going forward.

Could not really fault anything. We had a really short time between flights (about 45 mins), and had to get across the other side of the terminal. But we made it and crew were helpful. Food was good and service for the kids was great.

On time, friendly staff and decent food. Would definitely recommend.

My daughter and I had a pleasant trip to Singapore. Reliable and on time.

A 16 hour flight from Singapore to Los Angeles had only 2 meals. It would be great to have 3 meals.

The experience was poor in comparison to the flight to Manado from Singapore via Scoot. Gate against could only check in stroller to Singapore (by clearing immigration) or to Brisbane. Who is able to carry their baby for 7 hour transit without having to enter Singapore?

Good airlines, travelled 🧳 n Singapore multiple times and experience is consistent

I was really impressed with the experience it was my first trip overseas. Nice staff

Not enough food for everyone. . Always run out of food when we ask

I was amazed at how clean Cathay Pacific planes were compared to our US domestic airlines. Everything was great all but the food service I was just okay with. Shorter flights with other airlines usually provided more meals and snacks that I have been on. Almost a 16 hour flight just two meals and no snacks with Cathay Pacific. Even ran out of what I wanted for one of them. Other than that top notch!

Cathay flight was fine, Amsterdam airport was a nightmare, spent way too much time walking to our next connection, no travelators.

Mediocre. Nothing special. Bad airline food Never received the food I requested Slow response from ground staff concerning my wheelchair. I was left at a holding area and had to walk the distance to the gate. In Hong Kong

For a transpacific flight, flying economy is awful! The seats are cramped and its meant for petite folks! Good luck if you have long legs. BOARDING - AWFUL, we got to Hong Kong - the gate was listed, but upon arrival, there was a MESS of boarding procedures, they basically DIY'ed how to board but making three lines and putting three ground crew to check for passports in the terminal area. THEN to make it worse, after going through that cattle process, all of a sudden you see people standing and looking confused, apparently we were told to get in line to board, but the AV notification wasnt even working. So people started cramming in line - worse than cattle. One saving point, the flight crew forgot to serve me dinner and after waiting for it, I fell asleep since this was a midnight flight. After letting a crew know that I was forgotten, all of my meals were served first !!! Yay for being in the economy seats! Nothing much to write home about once more!

Bathroom was not cleaned as often as other airlines does. It was gross for a less than full flight capacity.

Rarely saw a flight attendant. Never received what I wanted from drink service. Twice I was told they would return with my order. I never saw the flight attendant again. I has requested a Moslem meal. I did not receive. It

From BOS to HK, the crew had pushed me to choose the pasta for meal multiple times. It was a bad experience. Without this, everything was good.

From Chicago to Hong Kong was great., but from Hong Kong to manila we had hard time looking for the gate of our connecting flight. There wasn’t hardly any sign.

Not a frequent user of their website booking. Booked my check-in baggage and only realized that I did not book my check in baggage for return flight. The receipt was not clear in identifying that as well. Was charged exorbitantly at check in counter. Bad taste for sure when it is a business trip and not leisure trip. Baggage was delayed for more than an hour at belt back in SG.

Boarding took forever. It's also weird that we paid more (for preferred seats) to get on the plane last. Inflight WiFi never worked the entire trip. I want my money back.

The cosmetic condition was pretty run down. The carpets were badly worn out. Even the paint on the wings was chipped and peeled! Looks like they are running these 787s to the ground..

WiFi didn’t work on both sectors so made killing time harder - planes clean modern and good flight crew - would do again if WiFi works

6hrs fly they dont give you a glass of water from seoul to singapore need to buy drink and food plus they charge for bag on international fly is always Free 1 bag from seoul to singapore is Not a local fly you are traveling true asia same story from singapore to Bali no water drink after payment for bag drink cost more the regular airline Well never use this company again we use regular company like Delta korea japan China and even scoot parent company Singapore Air

We had 2 attempts to land at Singapore Changing during a thunderstorm. Everything was delayed by 1 hour plus.

Boarding was not accordingly after front seat, bmf then back seat. This delayed for at least 40mins or more. The staff at Jakarta can do better. Is chaos at the entry to board the plane. This tarnished Scoot reputation when everyone was talking about it.

The crew was not customer oriented at all, even confrontational . The aircraft needs more attention to detail as far as comfort, and the 1 hour sitting at the gate with no air is inexcusable

We flew on the 787 Dreamliner direct to main gate at KLIA2, quick entry via eGate and on the train 41mins after touchdown. Go well SCOOT

Was on scoot plus. The only good thing about the flight was the spacious seats. Tables and armrests were extremely dirty Food: bad Entertainment: non existent Wifi: unable to connect, then was painfully slow that we couldn’t even send messages Good thing we had a night flight, so we just slept throughout.

Book cheap flights from Washington to Singapore

Recent return flight deals

29-1Wed
1 stopAsiana Airlines
41h 10mSEA-SIN
18-2Tue
1 stopAsiana Airlines
27h 45mSIN-SEA
S$ 1,018
13-11Wed
1 stopPhilippine Airlines
19h 00mSEA-SIN
21-11Thu
1 stopPhilippine Airlines
33h 35mSIN-SEA
S$ 1,020
19-3Wed
1 stopKorean Air
21h 10mSEA-SIN
23-4Wed
1 stopKorean Air
39h 00mSIN-SEA
S$ 1,035
15-12Sun
2 stopsChina Eastern
58h 05mSEA-SIN
22-12Sun
2 stopsChina Eastern
45h 25mSIN-SEA
S$ 1,039
9-4Wed
1 stopKorean Air
19h 40mSEA-SIN
23-4Wed
1 stopKorean Air
24h 40mSIN-SEA
S$ 1,065
8-4Tue
directSingapore Airlines
16h 20mSEA-SIN
22-4Tue
directSingapore Airlines
14h 45mSIN-SEA
S$ 1,102
18-3Tue
directSingapore Airlines
17h 00mSEA-SIN
25-3Tue
directSingapore Airlines
14h 10mSIN-SEA
S$ 1,142
12-11Tue
2 stopsChina Eastern
30h 20mSEA-SIN
18-11Mon
2 stopsChina Eastern
30h 18mSIN-SEA
S$ 1,151
6-4Sun
2 stopsCathay Pacific
34h 30mPDX-SIN
19-4Sat
2 stopsCathay Pacific
23h 40mSIN-PDX
S$ 1,598
11-3Tue
2 stopsCathay Pacific
27h 54mPDX-SIN
15-3Sat
2 stopsCathay Pacific
31h 06mSIN-PDX
S$ 1,603

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Recent one-way flight deals

11-11Mon
1 stopAsiana Airlines
19h 50mSEA-SIN
S$ 535
25-11Mon
1 stopAsiana Airlines
19h 50mSEA-SIN
S$ 583
14-11Thu
1 stopAsiana Airlines
19h 50mSEA-SIN
S$ 597
16-1Thu
2 stopsAmerican Airlines
26h 48mSEA-SIN
S$ 612
20-1Mon
1 stopJapan Airlines
20h 20mSEA-SIN
S$ 616
14-1Tue
2 stopsJapan Airlines
30h 37mSEA-SIN
S$ 619
25-2Tue
directSingapore Airlines
17h 00mSEA-SIN
S$ 695
2-2Sun
directSingapore Airlines
17h 00mSEA-SIN
S$ 761
6-11Wed
2 stopsCathay Pacific
31h 40mPDX-SIN
S$ 806
6-11Wed
3 stopsCathay Pacific
42h 20mPDX-SIN
S$ 850

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Last minute flights from Washington to Singapore

Last minute flight, train and bus deals

3-11Sun
multi-stopUnited Airlines
22h 39mSEA-SIN
14-12Sat
multi-stopUnited Airlines
18h 30mSIN-SEA
S$ 1,172
3-11Sun
multi-stopUnited Airlines
35h 05mSEA-SIN
14-12Sat
multi-stopUnited Airlines
18h 30mSIN-SEA
S$ 1,178
6-11Wed
multi-stop
39h 56mPDX-SIN
5-12Thu
multi-stop
20h 44mSIN-PDX
S$ 1,530
6-11Wed
multi-stopAir Canada
50h 13mPDX-SIN
5-12Thu
multi-stopAir Canada
48h 35mSIN-PDX
S$ 1,536
3-11Sun
multi-stop
29h 20mSEA-SIN
13-12Fri
multi-stop
32h 15mSIN-SEA
S$ 1,546
1-11Fri
multi-stopCathay Pacific
31h 40mSEA-SIN
17-11Sun
multi-stopCathay Pacific
32h 39mSIN-SEA
S$ 1,790
6-11Wed
multi-stopCathay Pacific
29h 50mPDX-SIN
5-12Thu
multi-stopCathay Pacific
44h 00mSIN-PDX
S$ 1,796
3-11Sun
directSingapore Airlines
17h 00mSEA-SIN
13-12Fri
multi-stopSingapore Airlines
35h 47mSIN-SEA
S$ 2,367
3-11Sun
directSingapore Airlines
17h 00mSEA-SIN
14-12Sat
directSingapore Airlines
14h 10mSIN-SEA
S$ 2,869
1-11Fri
multi-stopAir Canada
27h 50mSEA-SIN
7-11Thu
multi-stopAir Canada
48h 02mSIN-SEA
S$ 10,527

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Everything you need to know for your flight to Singapore

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.