£551 Cheap Flights from Penang (PEN) to Seattle (SEA)

View £551 flight on Sun, 20 Jul 2025Opens in a new window

Popular airlines from Penang Intl. Airport (PEN) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Penang (PEN) to Seattle (SEA)

Prices were available within the past 7 days and start at £551 for one-way flights and £826 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£826 Return, found 4 days ago
£826
Return
found 4 days ago
Select China Airlines flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £826 found 4 days ago
China Airlines
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£868 Return, found 4 days ago
£868
Return
found 4 days ago
Select China Airlines flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £868 found 4 days ago
China Airlines
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£913 Return, found 4 days ago
£913
Return
found 4 days ago
Select China Airlines flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £913 found 4 days ago
Batik air
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£923 Return, found 4 days ago
£923
Return
found 4 days ago
Select Batik air flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £923 found 4 days ago
Malaysia Airlines
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£935 Return, found 4 days ago
£935
Return
found 4 days ago
Select Malaysia Airlines flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £935 found 4 days ago
Batik air
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£940 Return, found 4 days ago
£940
Return
found 4 days ago
Select Batik air flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £940 found 4 days ago
Thai Airways International
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£960 Return, found 4 days ago
£960
Return
found 4 days ago
Select Thai Airways International flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £960 found 4 days ago
Thai Airways International
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£969 Return, found 4 days ago
£969
Return
found 4 days ago
Select Thai Airways International flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £969 found 4 days ago
China Airlines
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£976 Return, found 4 days ago
£976
Return
found 4 days ago
Select China Airlines flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £976 found 4 days ago
Singapore Airlines
Sun, 20 Jul - Tue, 12 Aug
PEN
Penang
SEA
Seattle
£1,204 Return, found 4 days ago
£1,204
Return
found 4 days ago
Select Singapore Airlines flight, departing Sun, 20 Jul from Penang to Seattle, returning Tue, 12 Aug, priced at £1,204 found 4 days ago
Flight from Penang to Seattle route information
Origin airport
Penang Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
£826
Distance
12750 km

Compare flights from Penang to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Penang to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Penang Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Penang Intl. (PEN) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Penang to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Penang Intl. to Seattle - Tacoma Intl. start at just £826 and range up to £1,204.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Penang and Seattle
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Penang to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Penang Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Penang Intl. Airport (PEN) to Sea-Tac Airport?
If you're planning on travelling between Penang Intl. Airport (PEN) and SEA, round-trip journeys start from £826. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Penang Intl. Airport (PEN) to Sea-Tac Airport?
The majority of flights can be cancelled online, but each airline has its own set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Penang Intl. Airport (PEN) to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Penang Intl. Airport (PEN) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PEN to Sea-Tac Airport?
With a flight distance of 12,800 kilometres from Penang Intl. Airport (PEN) to SEA, this is a long-haul trip. Ensure that you drink lots of water and get up to stretch your legs from time to time.
Which airlines fly direct from Penang Airport to SEA?
There are no direct flights, so you'll need to make at least one stop between PEN and Sea-Tac Airport. Make the most of the layover time to stretch your legs and enjoy some personal space.
Are Penang Intl. Airport (PEN) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so it's no sure thing. While last-minute flight deals between Penang Airport and Sea-Tac Airport are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers announce their prices up to a year before the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to pounce when the price is low.

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