$349 Cheap Flights from Seattle (SEA) to Ho Chi Minh City (SGN)

Seattle (SEA) to Ho Chi Minh City (SGN) at a glance

Embark on a journey from Seattle (SEA) to Ho Chi Minh City (SGN) with a selection of airlines catering to international long-haul travel. You can compare flight options from full-service carriers to discover the best flight rates that suit your budget and schedule. Delve into the vibrant sights and neighborhoods of Ho Chi Minh City as you check for upcoming flights from Seattle - Tacoma International Airport (SEA) to Tan Son Nhat International Airport (SGN).

• Fastest flight duration: around 16h 45m in-flight, plus roughly 2h 30m layover with one stop
• Route distance: roughly 7,400 miles (11,910 km)
• Flights per week: around 25+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $340–$860, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Tan Son Nhat International Airport (SGN)

According to recent traveler bookings, the most sought-after airlines for flights from Seattle to Ho Chi Minh City often feature one-stop and multi-stop options. Many travelers prefer layovers at Taoyuan International Airport (TPE, approximately 2 hours and 30 minutes), Incheon International Airport (ICN, around 2 hours and 15 minutes), and Narita International Airport (NRT, about 2 hours). These choices allow you to customize your journey by balancing price, total travel time, and cabin class to find the ideal itinerary.

• EVA Airways: This comprehensive carrier provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $395 and $950. It represents around 22% of all departures on this route, featuring an in-flight duration of 16 hours and 45 minutes, leading to a total travel time of approximately 19 hours and 15 minutes.
• Starlux Airlines: A full-service airline that offers one-stop and multi-stop services, Starlux's one-way fares typically range from $390 to $1,040. It accounts for about 15% of departures along this route, with a standard in-flight time of 16 hours and 45 minutes and an overall journey duration of around 19 hours and 15 minutes.
• China Airlines: Operating as a full-service carrier, China Airlines provides one-stop service with one-way fares usually between $360 and $885. This airline captures roughly 14% of departures on this route, featuring an in-flight time of 16 hours and 45 minutes, culminating in a total journey time of about 19 hours and 15 minutes, including layover.
• Asiana Airlines: As a full-service airline, Asiana offers one-stop service with one-way ticket prices typically ranging from $340 to $870. It constitutes approximately 14% of departures on this route, with a flight duration of 16 hours and 45 minutes and a total journey time of around 19 hours and 15 minutes, factoring in the layover.
• Delta: This full-service airline provides one-stop service and features one-way fares generally between $340 and $795. Delta accounts for about 12% of departures on this route, with a flying time of 16 hours and 45 minutes and a total travel duration of roughly 19 hours and 15 minutes, including layover time.

Travelers flying from Seattle to Ho Chi Minh City have the option to upgrade their flight experience. Top airlines include Starlux Airlines and China Airlines, both offering business class and premium economy class, while Asiana Airlines features business class service for a more comfortable journey.

Best time to fly from Seattle (SEA) to Ho Chi Minh City (SGN)

The most popular months for travelers flying from Seattle to Ho Chi Minh City are January, February, and March, when peak temperatures in Ho Chi Minh City reach up to 84.4°F in March. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 81°F and typically the lowest average one-way fare (around $419). Flight availability peaks in January and February, with approximately 32 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: September usually offers good deals with average one-way fare around $419, roughly 25% cheaper than the yearly average.
• Another budget-friendly time to fly: November typically offers an average one-way fare of around $453.
• Most flight options: January and February have the highest number of flights from Seattle to Ho Chi Minh City, with approximately 32 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Seattle (SEA) to Ho Chi Minh City (SGN)

• Seattle to Ho Chi Minh City (BFI-SGN): Located approximately 6 miles from Seattle - Tacoma International Airport (SEA), Boeing Field Airport (BFI) serves as a convenient departure point.
• Tacoma to Ho Chi Minh City (TIW-SGN): Tacoma Narrows Airport (TIW) is roughly 18 miles from Seattle - Tacoma International Airport (SEA), providing another option for travelers heading to Vietnam.
• Seattle to Vung Tau (SEA-VTG): Vung Tau Airport (VTG) is situated about 42 miles from Tan Son Nhat International Airport (SGN), offering access to the coastal region of Vietnam.

How to find the best prices for flights from Seattle (SEA) to Ho Chi Minh City (SGN)

Getting some of the best deals on flights from Seattle to Ho Chi Minh City is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Morning departures between 5 am and 12 pm often provide lower prices, while early morning flights from 12 am to 5 am are the most popular. Additionally, flying on Tuesday usually offers cheaper prices, while Sunday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Tan Son Nhat International Airport from Seattle - Tacoma International Airport

Ho Chi Minh City welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Ho Chi Minh City efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Ho Chi Minh City, with private rides that can be arranged in advance.
• Car rental: Renting a car from Tan Son Nhat International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Tan Son Nhat International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Tan Son Nhat International Airport, Ga Tau Go Vap Station, a metro station, is located about 1.6 miles away by car, while Saigon Railway Station, a train station, is approximately 3.3 miles from the airport by car, and The East Station, a bus station, is about 3.7 miles away by car, offering convenient access to various modes of transportation for your travel needs.

Seattle to Ho Chi Minh City Flights

The cheapest times to fly from Seattle to Ho Chi Minh City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Ho Chi Minh City are during the month of March. You can find some of the cheapest flights from Seattle to Ho Chi Minh City with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Ho Chi Minh City

Sunday is one of the best days to book for cheap flights from Seattle to Ho Chi Minh City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seattle to Ho Chi Minh City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Ho Chi Minh City in 2026. You can also book with separate airlines for your outbound and return journeys, from $349 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Ho Chi Minh City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Ho Chi Minh City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.