$383 Find Cheap Flights from Vietnam to Washington - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Vietnam to Washington departing on 11/7. 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.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Vietnam to Washington

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Vietnam to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Vietnam to Washington

Tue, Dec 8 - Thu, Dec 31
Cathay Pacific Logo
11:35 am - 9:10 am
SGN
-
SEA
36h 35m
1 stop
Cathay Pacific Logo
10:50 am - 6:35 pm
SEA
-
SGN
40h 45m
1 stop
$775Cathay Pacific
Thu, Oct 1 - Tue, Nov 10
Asiana Airlines Logo
12:05 pm - 3:15 pm
SGN
-
SEA
17h 10m
1 stop
Asiana Airlines Logo
12:10 am - 11:00 am
SEA
-
SGN
19h 50m
1 stop
$807Asiana Airlines
Fri, Oct 23 - Wed, Nov 25
Delta Logo
7:30 am - 1:14 pm
SGN
-
SEA
19h 44m
1 stop
Delta Logo
1:00 pm - 11:20 pm
SEA
-
SGN
19h 20m
1 stop
$816Delta
Sat, Sep 5 - Mon, Sep 7
Korean Air Logo
11:45 pm - 10:40 am
SGN
-
SEA
24h 55m
1 stop
Korean Air Logo
12:50 pm - 10:10 pm
SEA
-
SGN
19h 20m
1 stop
$820Korean Air
Fri, Dec 18 - Sun, Jan 24
Korean Air Logo
11:50 pm - 9:00 am
SGN
-
SEA
24h 10m
1 stop
Korean Air Logo
11:00 am - 12:50 pm
SEA
-
SGN
34h 50m
1 stop
$826Korean Air
Fri, Oct 16 - Mon, Oct 26
Delta Logo
11:10 pm - 1:14 pm
HAN
-
SEA
28h 04m
1 stop
Delta Logo
1:40 pm - 11:10 am
SEA
-
HAN
31h 30m
1 stop
$866Delta
Sun, Oct 25 - Wed, Oct 28
EVA Air Logo
1:00 pm - 7:10 pm
DAD
-
SEA
20h 10m
1 stop
EVA Air Logo
1:10 am - 11:40 am
SEA
-
DAD
20h 30m
1 stop
$1,011EVA Air
Fri, Aug 28 - Sun, Sep 13
STARLUX Airlines Logo
11:30 am - 9:25 am
SGN
-
PDX
35h 55m
2 stops
STARLUX Airlines Logo
5:55 pm - 4:55 pm
PDX
-
SGN
33h 00m
2 stops
$1,058STARLUX Airlines
Mon, Aug 24 - Thu, Jan 28
STARLUX Airlines Logo
11:30 am - 10:50 am
SGN
-
PDX
37h 20m
2 stops
STARLUX Airlines Logo
5:40 pm - 4:45 pm
PDX
-
SGN
32h 05m
2 stops
$1,059STARLUX Airlines
Sat, Aug 15 - Thu, Aug 20
EVA Air Logo
12:55 pm - 7:50 pm
DAD
-
SEA
20h 55m
1 stop
EVA Air Logo
1:10 am - 11:35 am
SEA
-
DAD
20h 25m
1 stop
$1,191EVA Air
Booking Insights

KAYAK's insights & trends for flights to Washington

Get data-powered insights and trends for flights to Washington to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Vietnam to Washington?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Vietnam to Washington, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Vietnam to Washington is May, when tickets cost $500 (return) on average. On the other hand, the most expensive months are January and August, when the average cost of round-trip tickets is $891 and $699 respectively.

How far in advance should I book a flight from Vietnam to Washington?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Washington, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Vietnam to Washington, you should book around 7 weeks before departure, which saves you about 43% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Find deals

Good to know

Low season

November

Cheapest flight

$383
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Da Nang to Seattle

FAQs for booking flights from Vietnam to Washington

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

    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 Vietnam to Washington.

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

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

    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 Vietnam to Washington 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 Vietnam to Washington?

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

Everything you need to know for your flight to Washington

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.
First Class flights to Washington
Business Class flights to Washington
Premium Economy Class flights to Washington
Economy Class flights to Washington