What airlines fly to Hanoi?

Asiana Airlines, EVA Air and China Airlines are the top three most popular airlines that fly to Hanoi from Seattle according to our data. Asiana Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 8 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Hanoi?

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 20h 41m.

Which layover airport offers the lowest fares from Seattle to Hanoi?

Flights via Manila (MNL) offer the lowest average round-trip price of $655.

Which airport is the most popular layover for flights between Seattle and Hanoi?

Incheon (ICN) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Seattle to Hanoi?

Incheon (ICN) has the shortest average layover time for this route: 4h 04m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Hanoi Noibai?

Philippine Airlines, Japan Airlines, and Korean Air are the most popular carriers operating from Seattle/Tacoma Intl to Hanoi Noibai

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport?

There are 8 operators available for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport as of July 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport.

What documentation or ID do you need to fly to Hanoi Noibai Airport?

The travel and health documents required for your trip to Hanoi Noibai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hanoi Noibai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$410 Cheap Flights from Seattle to Hanoi in 2026

Q: What is the typical price of a round-trip flight between Seattle and Hanoi?

Prices are currently low for flights on this route. Typical prices usually range from $991 to $1,272. The lowest price recently found on this route was $815.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Hanoi

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 am - 7:00 pm

SEA

HAN

42h 45m

1 stop

8:00 pm - 8:45 am

HAN

SEA

26h 45m

1 stop

$815Singapore Airlines

Tue, Sep 8 - Thu, Sep 24

8:45 am - 5:25 pm

SEA

HAN

41h 40m

1 stop

6:25 pm - 7:10 am

HAN

SEA

27h 45m

1 stop

$829Singapore Airlines

Tue, Nov 17 - Tue, Nov 24

11:55 pm - 1:50 am

SEA

HAN

35h 55m

1 stop

12:45 pm - 8:10 am

HAN

SEA

33h 25m

1 stop

$834Multiple Airlines

Mon, Oct 26 - Sat, Oct 31

11:10 pm - 1:15 pm

SEA

HAN

24h 05m

1 stop

1:45 am - 8:05 pm

HAN

SEA

32h 20m

1 stop

$835Philippine Airlines

Tue, Sep 8 - Tue, Sep 22

12:10 am - 12:10 pm

SEA

HAN

21h 00m

1 stop

1:30 pm - 1:55 pm

HAN

SEA

15h 25m

1 stop

$838Asiana Airlines

Mon, Nov 16 - Tue, Nov 24

12:10 am - 12:15 pm

SEA

HAN

22h 05m

1 stop

1:25 pm - 3:15 pm

HAN

SEA

15h 50m

1 stop

$839Asiana Airlines

Mon, Aug 31 - Mon, Sep 7

12:10 am - 12:10 pm

SEA

HAN

21h 00m

1 stop

1:30 pm - 1:55 pm

HAN

SEA

15h 25m

1 stop

$845Asiana Airlines

Mon, Nov 16 - Tue, Dec 1

12:10 am - 10:25 pm

SEA

HAN

31h 15m

1 stop

1:30 pm - 1:55 pm

HAN

SEA

15h 25m

1 stop

$847Asiana Airlines

Mon, Nov 16 - Tue, Nov 24

12:10 am - 12:15 pm

SEA

HAN

22h 05m

1 stop

11:30 pm - 3:45 pm

HAN

SEA

30h 15m

1 stop

$850Asiana Airlines

Sun, Aug 16 - Sun, Aug 30

12:10 am - 12:15 pm

SEA

HAN

22h 05m

1 stop

11:30 pm - 3:45 pm

HAN

SEA

30h 15m

1 stop

$851Asiana Airlines

Sun, Aug 16 - Sun, Aug 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Asiana Airlines flights from Seattle to Hanoi

Our best Asiana Airlines deals on Seattle to Hanoi flight tickets

Asiana Airlines

Nov 16

SEA12:10 amSeattle/Tacoma Intl

21h 00m

1 stop

HAN12:10 pmHanoi Noibai

Nov 24

HAN1:30 pmHanoi Noibai

15h 25m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

$838

Asiana Airlines

Aug 31

SEA12:10 amSeattle/Tacoma Intl

22h 05m

1 stop

HAN12:15 pmHanoi Noibai

Sep 7

HAN1:25 pmHanoi Noibai

15h 50m

1 stop

SEA3:15 pmSeattle/Tacoma Intl

$839

Asiana Airlines

Nov 16

SEA12:10 amSeattle/Tacoma Intl

21h 00m

1 stop

HAN12:10 pmHanoi Noibai

Dec 1

HAN1:30 pmHanoi Noibai

15h 25m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

$845

Philippine Airlines flights from Seattle to Hanoi

Our best Philippine Airlines deals on Seattle to Hanoi flight tickets

Philippine Airlines

Sep 8

SEA11:10 pmSeattle/Tacoma Intl

24h 05m

1 stop

HAN1:15 pmHanoi Noibai

Sep 22

HAN1:45 amHanoi Noibai

32h 20m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

$835

Philippine Airlines

Sep 8

SEA11:10 pmSeattle/Tacoma Intl

24h 05m

1 stop

HAN1:15 pmHanoi Noibai

Sep 22

HAN1:45 amHanoi Noibai

32h 20m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

$859

Philippine Airlines

Sep 6

SEA11:10 pmSeattle/Tacoma Intl

35h 35m

1 stop

HAN12:45 amHanoi Noibai

Sep 21

HAN1:45 amHanoi Noibai

32h 20m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

$862

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/8

10:15 am-7:00 pm

1 stop42h 45m

Hanoi Noibai

Thu 9/24

8:00 pm-8:45 am

1 stop26h 45m

$815

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 11/17

8:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Tue 11/24

6:25 pm-7:10 am

1 stop27h 45m

$829

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 10/26

11:55 pm-1:50 am

1 stop35h 55m

Hanoi Noibai

Sat 10/31

12:45 pm-8:10 am

1 stop33h 25m

$834

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/8

11:10 pm-1:15 pm

1 stop24h 05m

Hanoi Noibai

Tue 9/22

1:45 am-8:05 pm

1 stop32h 20m

$835

Quickest round-trip

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 11/16

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Tue 11/24

1:30 pm-1:55 pm

1 stop15h 25m

$838

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 8/31

12:10 am-12:15 pm

1 stop22h 05m

Hanoi Noibai

Mon 9/7

1:25 pm-3:15 pm

1 stop15h 50m

$839

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 11/16

12:10 am-12:10 pm

1 stop21h 00m

Hanoi Noibai

Tue 12/1

1:30 pm-1:55 pm

1 stop15h 25m

$845

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 11/16

12:10 am-10:25 pm

1 stop31h 15m

Hanoi Noibai

Tue 11/24

1:30 pm-1:55 pm

1 stop15h 25m

$847

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/16

12:10 am-12:15 pm

1 stop22h 05m

Hanoi Noibai

Sun 8/30

11:30 pm-3:45 pm

1 stop30h 15m

$850

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/16

12:10 am-12:15 pm

1 stop22h 05m

Hanoi Noibai

Sun 8/30

11:30 pm-3:45 pm

1 stop30h 15m

$851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Hanoi

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Seattle and Hanoi?

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Seattle is in September. Flight prices, which tend to average around $657, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then April is your next best option. Flight prices from Seattle to Hanoi during April average around $736.

How far in advance should I book a flight from Seattle to Hanoi?

You are more likely to see cheaper flights to Hanoi from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $876 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Seattle for as low as $660 on momondo.

Can stopping save me money on Seattle to Hanoi flights?

You could potentially save up to 5% on your flight if you consider stops on a Seattle to Hanoi flight.

How have Seattle to Hanoi flight prices changed over time?

As of July 2026, prices for Seattle to Hanoi flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Hanoi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Hanoi (SEA to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Hanoi

Fastest flight time	18h 25m
Direct flights	None

The fastest flight from Seattle to Hanoi takes 18h 25m

There are no direct flights from Seattle to Hanoi. There are no popular flight routes from Seattle to Hanoi.

Search flight deals

Frequently asked questions about flying from Seattle to Hanoi

How far is Seattle/Tacoma Intl to Hanoi Noibai by plane?
The distance between Seattle/Tacoma Intl and Hanoi Noibai is about 6829.4 mi. Flights usually cover this in 18h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport?
There are 8 operators available for flights from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport as of July 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The travel and health documents required for your trip to Hanoi Noibai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hanoi Noibai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Hanoi?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Hanoi is Asiana Airlines (38% of total bookings). The next most popular airlines are EVA Air (18%), China Airlines (14%), and Korean Air (11%).

Best airlines flying from Seattle to Hanoi

Compare and see reviews for airlines that fly from Seattle to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $400	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
Singapore Airlines	PriceFrom $521	Free Cancellation	Rating 8.2 1,557 reviews	Search Singapore Airlines flights
Korean Air	PriceFrom $588	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights
China Airlines	PriceFrom $614	Free Cancellation	Rating 8.3 831 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $625	Free Cancellation	Rating 8.1 550 reviews	Search Asiana Airlines flights
Philippine Airlines	PriceFrom $638	Free Cancellation	Rating 7.3 1,005 reviews	Search Philippine Airlines flights
EVA Air	PriceFrom $758	Free Cancellation	Rating 8.5 1,484 reviews	Search EVA Air flights
STARLUX Airlines	PriceFrom $771	Free Cancellation	Rating 8.9 352 reviews	Search STARLUX Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Hanoi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Hanoi. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Hanoi with flexible booking policies on momondo?

All flight searches from Seattle to Hanoi on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Hanoi?

momondo helps you find the best flight between Seattle and Hanoi by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Hanoi right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Hanoi from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.