$270 Find Cheap Flights from Washington to Southeast Asia

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Useful Info

Good to know

Low seasonAugust
High seasonDecember
Cheapest flight$270
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 46% increase in price.
Flight from Seattle to Singapore

FAQs for booking flights from Washington to Southeast Asia

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

    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 Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Southeast Asia 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 Southeast Asia?

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

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

    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 from Washington to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Southeast Asia?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Southeast Asia is Singapore Changi Airport (SIN), with an average flight price of $505.

  • What is the cheapest day to fly to Southeast Asia?

    Based on KAYAK data, the cheapest day to fly to Southeast Asia is Tuesday where round-trip tickets can be as cheap as $931. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $1,111 on average.

  • What is the cheapest time of day to fly to Southeast Asia?

    The cheapest time of day to fly to Southeast Asia is generally in the morning, when round-trip flights cost $986 on average. Morning departures are around 6% cheaper than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,081.

  • What is the cheapest flight to Southeast Asia?

    The cheapest ticket to Southeast Asia from Washington found in the last 72 hours was to Singapore, at $609 round-trip. The most popular route is Seattle (SEA) to Singapore (SIN) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $609.

  • What is the cheapest month to fly from Washington to Southeast Asia?

    The cheapest month for flights from Washington to Southeast Asia is February, when tickets cost $811 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,279 and $1,195 respectively.

  • How far in advance should I book a flight from Washington to Southeast Asia?

    To get a below average price on the flight from Washington to Southeast Asia, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

  • How long is the flight to Southeast Asia?

    An average nonstop flight from Washington to Southeast Asia takes 23h 14m, covering a distance of 7408 miles. The shortest route is Seattle (SEA) to Manila (MNL) with an average flight time of 12h 30m.

  • What are the most popular destinations in Southeast Asia?

    Based on KAYAK flight searches, the most popular destination is Bangkok (42% of total searches to Southeast Asia). The next most popular destinations are Manila (16%) and Ho Chi Minh City (13%). Searches for flights to Singapore (6%), to Denpasar (5%) and to Angeles City (2%) are also popular.

Book cheap flights from Washington to Southeast Asia

Recent round-trip flight deals

9/5Fri
1 stopSingapore Airlines
22h 05mSEA-MNL
10/4Sat
1 stopSingapore Airlines
29h 15mMNL-SEA
$529
9/12Fri
1 stopSingapore Airlines
34h 45mSEA-BKK
11/12Wed
1 stopSingapore Airlines
30h 30mBKK-SEA
$545
9/7Sun
1 stopAsiana Airlines
30h 50mSEA-SGN
9/26Fri
1 stopAsiana Airlines
26h 25mSGN-SEA
$627
11/3Mon
1 stopAsiana Airlines
19h 50mSEA-SGN
11/18Tue
1 stopAsiana Airlines
16h 45mSGN-SEA
$629
11/5Wed
1 stopPhilippine Airlines
25h 50mSEA-BKK
11/19Wed
1 stopPhilippine Airlines
21h 05mBKK-SEA
$640
11/5Wed
1 stopPhilippine Airlines
25h 50mSEA-BKK
11/30Sun
1 stopPhilippine Airlines
21h 05mBKK-SEA
$658
8/9Sat
1 stopSTARLUX Airlines
26h 00mSEA-SGN
9/3Wed
1 stopSTARLUX Airlines
18h 40mSGN-SEA
$693
10/8Wed
1 stopSTARLUX Airlines
26h 40mSEA-CRK
10/28Tue
1 stopSTARLUX Airlines
21h 05mCRK-SEA
$694
10/14Tue
1 stopAir Canada
25h 10mSEA-SIN
10/30Thu
1 stopAir Canada
23h 26mSIN-SEA
$694
10/3Fri
1 stopAir Canada
30h 05mSEA-SIN
10/14Tue
1 stopAir Canada
28h 06mSIN-SEA
$699

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Recent one-way flight deals

9/26Fri
nonstopSingapore Airlines
16h 20mSEA-SIN
$270
9/26Fri
nonstopSingapore Airlines
16h 20mSEA-SIN
$275
9/20Sat
1 stopAsiana Airlines
18h 30mSEA-SGN
$349
9/7Sun
1 stopAsiana Airlines
30h 50mSEA-SGN
$350
8/9Sat
1 stopChina Airlines
18h 00mSEA-SGN
$379
8/24Sun
2 stops
23h 25mSEA-BKK
$381
8/31Sun
2 stopsJapan Airlines
24h 50mSEA-HAN
$384
8/14Thu
2 stops
28h 30mSEA-MNL
$392
9/6Sat
1 stopChina Airlines
18h 00mSEA-SGN
$400
7/15Tue
1 stopJapan Airlines
19h 30mSEA-BKK
$447

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Last minute flights from Washington to Southeast Asia

Last minute flight, train and bus deals

6/19Thu
multi-stopAir Canada
26h 20mSEA-SIN
6/27Fri
multi-stopAir Canada
27h 21mSIN-SEA
$868
6/19Thu
multi-stopChina Eastern
27h 00mSEA-MNL
6/25Wed
multi-stopChina Eastern
29h 35mMNL-SEA
$917
6/19Thu
multi-stop
27h 00mSEA-MNL
7/4Fri
multi-stop
15h 40mMNL-SEA
$1,014
6/18Wed
multi-stop
35h 50mSEA-BKK
6/20Fri
multi-stop
19h 45mBKK-SEA
$1,057
6/21Sat
multi-stopKorean Air
44h 40mSEA-SIN
7/6Sun
multi-stopKorean Air
27h 20mSIN-SEA
$1,061
6/21Sat
multi-stopKorean Air
50h 00mSEA-SIN
7/1Tue
multi-stopKorean Air
41h 24mSIN-SEA
$1,066
6/19Thu
multi-stopUnited Airlines
22h 20mSEA-SIN
6/27Fri
multi-stopUnited Airlines
22h 01mSIN-SEA
$1,090
6/18Wed
multi-stopUnited Airlines
32h 50mSEA-SIN
6/20Fri
multi-stopUnited Airlines
29h 04mSIN-SEA
$1,094
6/20Fri
multi-stopAsiana Airlines
17h 20mSEA-MNL
6/27Fri
multi-stopAsiana Airlines
27h 35mMNL-SEA
$1,144
6/19Thu
multi-stopAsiana Airlines
17h 20mSEA-MNL
6/21Sat
multi-stopAsiana Airlines
27h 35mMNL-SEA
$1,240

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Everything you need to know for your flight to Southeast Asia

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.

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