Cheap flights from Seattle to Vietnam from $331
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Vietnam departing on 8/17. 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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How to get the cheapest flight ticket from Seattle to Vietnam
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 Vietnam?
The month of March is, on average, the cheapest month to fly to Vietnam from Seattle, with most prices found around $772. If you don’t want to visit Vietnam in March, then you should wait until April to fly from Seattle, when ticket prices are also cheap, with an average price of $783.
What is the cheapest day to depart on your flight to Vietnam?
According to our data, Monday is the cheapest day to fly to Vietnam from Seattle. The lowest ticket price found for a Monday departure recently was $974. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Saturday is $1,111.
What is the cheapest time of day to depart on your flight to Vietnam?
Flying to Vietnam from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $985 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,204 per ticket.
How far in advance should I book a flight to Vietnam?
You are more likely to see cheaper flights to Vietnam from Seattle when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $984 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Seattle for as low as $848 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Vietnam?
Singapore Airlines, China Airlines, and Japan Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Vietnam
What airlines fly to Vietnam?
China Airlines, EVA Air and Asiana Airlines are the top three most popular airlines that fly to Vietnam from Seattle according to our data. China Airlines is the first choice among our users, with 27% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 14 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Vietnam flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Vietnam
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Vietnam?
Prices for flights from Seattle/Tacoma Intl Airport to Vietnam are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Vietnam?
As of April 2025, there are 14 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Vietnam.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Vietnam?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Vietnam.
What documentation or ID do you need to fly to Vietnam?
The travel and health documents you'll need for your trip to Vietnam may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Vietnam. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seattle to Vietnam
Compare and see reviews for airlines that fly from Seattle to Vietnam with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $628 | Free Cancellation | Rating 8.1 1,290 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 8.2 443 reviews | |||
| PriceFrom $691 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $692 | Free Cancellation | Rating 7.2 857 reviews | |||
| PriceFrom $724 | Free Cancellation | Rating 8.3 727 reviews | |||
| PriceFrom $727 | Free Cancellation | Rating 8.4 1,062 reviews | |||
| PriceFrom $736 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $745 | Free Cancellation | Rating 8.3 853 reviews | |||
| PriceFrom $765 | Free Cancellation | Rating 8.3 1,452 reviews | |||
| PriceFrom $776 | Free Cancellation | Rating 9.1 157 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Vietnam?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Vietnam from Seattle.
Can I find flights from Seattle to Vietnam with flexible booking policies on momondo?
Flights from Seattle to Vietnam with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Vietnam?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Vietnam from Seattle.
I’m not ready to book a flight from Seattle to Vietnam right now. Can momondo alert me if prices change?
Price alerts on flights to Vietnam from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.