PDX - BKK

$324 Find Cheap Flights from Portland to Bangkok

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Bangkok departing on 1/18. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Bangkok Suvarnabhumi Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Bangkok.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Bangkok.
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Everything you should know

Cheapest round-trip
$786
Typical prices: $939-$1,237
Singapore Airlines
Wed 2/25Wed 3/4
PDX - BKK • 2 stops
Cheapest one-way
$324
Typical prices: $518-$560
Multiple Airlines
Sun 1/18
PDX - BKK • 2 stops
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 6% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 13% price drop
January
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Bangkok (PDX-BKK)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Bangkok 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 Portland to Bangkok

Wed, Feb 25 - Wed, Mar 4
Singapore Airlines Logo
9:19 pm - 8:00 pmPDX-BKK
31h 41m2 stops
Singapore Airlines Logo
3:50 pm - 9:35 amBKK-PDX
32h 45m2 stops
$786Singapore Airlines
Find Deal
Tue, Mar 31 - Tue, Apr 14
Singapore Airlines Logo
6:00 am - 8:00 pmPDX-BKK
24h 00m2 stops
Singapore Airlines Logo
8:10 pm - 4:28 pmBKK-PDX
34h 18m2 stops
$795Singapore Airlines
Find Deal
Tue, Mar 3 - Wed, Apr 22
Multiple Airlines Logo
5:40 pm - 1:05 pmPDX-BKK
28h 25m2 stops
Multiple Airlines Logo
1:20 pm - 9:32 amBKK-PDX
34h 12m2 stops
$815Multiple Airlines
Find Deal
Wed, Feb 25 - Tue, Mar 3
Multiple Airlines Logo
5:50 pm - 9:50 amPDX-BKK
25h 00m2 stops
Multiple Airlines Logo
2:35 am - 9:35 amBKK-PDX
46h 00m2 stops
$820Multiple Airlines
Find Deal
Sun, Jan 18 - Mon, Jan 26
Multiple Airlines Logo
5:50 pm - 1:05 pmPDX-BKK
28h 15m2 stops
Multiple Airlines Logo
2:35 am - 1:41 pmBKK-PDX
50h 06m2 stops
$821Multiple Airlines
Find Deal
Fri, Feb 27 - Thu, Mar 5
Multiple Airlines Logo
9:30 pm - 1:05 pmPDX-BKK
48h 35m2 stops
Multiple Airlines Logo
2:35 am - 9:35 amBKK-PDX
46h 00m2 stops
$822Multiple Airlines
Find Deal
Tue, Mar 17 - Sun, Apr 12
Singapore Airlines Logo
2:30 pm - 2:35 pmPDX-BKK
34h 05m2 stops
Singapore Airlines Logo
9:15 pm - 4:28 pmBKK-PDX
33h 13m2 stops
$823Singapore Airlines
Find Deal
Tue, Mar 3 - Mon, Mar 30
Multiple Airlines Logo
1:36 pm - 9:50 amPDX-BKK
29h 14m2 stops
Multiple Airlines Logo
2:40 am - 9:49 amBKK-PDX
45h 09m2 stops
$825Multiple Airlines
Find Deal
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
2:30 pm - 9:50 amPDX-BKK
28h 20m2 stops
Multiple Airlines Logo
10:55 am - 9:42 amBKK-PDX
37h 47m2 stops
$826Multiple Airlines
Find Deal
Mon, Mar 16 - Mon, Apr 6
China Airlines Logo
9:19 pm - 9:50 amPDX-BKK
22h 31m2 stops
China Airlines Logo
1:20 pm - 7:54 amBKK-PDX
32h 34m2 stops
$827China Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Portland to Bangkok flights

Get data-powered insights and trends into flights from Portland to Bangkok to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland to Bangkok Suvarnabhumi Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Bangkok Suvarnabhumi Airport departing in February.

What’s the cheapest day of the week to fly from Portland to Bangkok?

The average price of all round-trip flights from Portland to Bangkok Suvarnabhumi Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Bangkok on a Monday and more expensive on a Friday. On your return trip to Portland, you should consider flying back on a Tuesday, and avoid Fridays for better deals.

What is the cheapest month to fly from Portland to Bangkok Suvarnabhumi Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Bangkok Suvarnabhumi Airport, 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 Portland to Bangkok Suvarnabhumi Airport is September, where tickets cost $949 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,589 and $1,494 respectively.

How far in advance should I book a flight from Portland to Bangkok Suvarnabhumi Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Bangkok Suvarnabhumi Airport, 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 Portland to Bangkok Suvarnabhumi Airport, you should book around 2 weeks before departure, which saves you about 6% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonMay
Cheapest flight$324
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Portland to Bangkok

When to book flights from Portland to Bangkok

Are your dates flexible? Find out the best times to travel from Portland to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Portland to Bangkok flights

  • What is the cheapest flight from Portland to Bangkok Suvarnabhumi Airport?

    In the last 3 days, the lowest price for a flight from Portland to Bangkok Suvarnabhumi Airport was $324 for a one-way ticket and $786 for a round-trip.

  • Do I need a passport to fly between Portland and Bangkok?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Portland and on arrival in Bangkok.

  • Which aircraft models fly most regularly from Portland to Bangkok?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Bangkok?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Portland and Bangkok, with oneworld being the most commonly used for this route.

  • What is the most popular layover when flying to Bangkok from Portland?

    Seattle is the most popular layover city among KAYAK users traveling from Portland to Bangkok.

  • Which is the best airline for flights from Portland to Bangkok, STARLUX Airlines or Korean Air?

    The two airlines most popular with KAYAK users for flights from Portland to Bangkok are STARLUX Airlines and Korean Air. With an average price for the route of $951 and an overall rating of 8.9, STARLUX Airlines is the most popular choice. Korean Air is also a great choice for the route, with an average price of $1,081 and an overall rating of 8.4.

  • How does KAYAK find such low prices on flights from Portland to Bangkok?

    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 Portland to Bangkok.

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

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

    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 to Bangkok with an airline and back to Portland with another airline. Booking your flights between Portland and BKK can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Bangkok?

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

Reviews of the top 5 airlines serving from Portland to Bangkok

 
See real verified KAYAK customer reviews for airlines flying from Portland to Bangkok. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Bangkok? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.9
STARLUX AirlinesOverall score based on 237 reviews
9.2Crew
8.9Entertainment
8.7Food
8.9Comfort
9.0Boarding
Airline reviews

Loved the boarding process. All airlines should board from the back to the front. Very efficient. Food was excellent, crew were great, seats were spacious and comfortable and the entertainment screen was the best I have seen.

10.0 ExcellentBrian, Oct 2025SIN - TPE
Read more STARLUX Airlines reviews

Loved the boarding process. All airlines should board from the back to the front. Very efficient. Food was excellent, crew were great, seats were spacious and comfortable and the entertainment screen was the best I have seen.

Flight cancelled due to inclement weather yet rival airline EVA Air with the same route departed 2 hours later and landed safely while our flight was cancelled and rescheduled for 36 hours later.

The staff in air and on land went above and beyond! I would definately recommend and we will fly Starlux again!

I need Starlux to respond to my complaint and issues for my flight.

Someon vomit during boarding. My seat was next to the vomit. I asked crew member to switch seat, but they said it was a full flight. I had my baby with me. My baby got sick after the flight. He was in the hospital for 2 days.

The airplane so clean and they have a nice crew

it they come out with resent movie and good food

The crew could have been kinder and less pushy. The premium economy seats don't have enough cushion. The seats are to hard and the flight became painful and uncomfortable after an hour of flying.

Aircraft is new and toilets are spacious, but toilets are quite filthy. They should clean more often. They have a long list of drink offer but are actually not available during meal. They said they’ll come back with them and you don’t get them until after dinner which means you eat your meals without any drinks if you were to get something that they don’t have on the cart. They are strict about removing headphones during take off and landing which is new to us since the movies did not get turned off. Instead, we we’re forced to watch their commercials during that time. We probably would fly with them again but not with the cost we spent. For the record, I work in tourism and travel a lot for inspections.

Our transit in Taipei was disappointing. The ground crew could not tell us where the lounge was located, so we wasted 15 minutes trying to find it. The airline has a great review, but our experience says otherwise.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

I can't believe they put my wife and I in the two middle seats! It is a very long flight and we had single flyers on either side of us blocking the way to the bathroom! There's no reason to not give one of us the isle seat so we could have managed bathroom needs and snacks with convenience. So I think very poorly of Korean air to put us both in the middle, I've never had that happen before and will probably avoid this airline in the future because of this. We tried to have them change it but they didn't so you pretty much lost a customer because of it.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Not many people, so you can lay down on two seats

Flight was good and comfortable, even for long haul economy. No complaints.

Checking in via an alliance partner, even a foreign one should get TSA Precheck printed on your boarding pass. The paper copy issued by ANA didn’t show it. I couldn’t get my digital copy due to some technical issue arising because I checked in with ANA. The kiosks at SFO similarly threw an error. The only way I could have gotten a new copy of my boarding pass was from the UA counter and lines were nearly as long as TSA so I bit the bullet and went through the regular TSA line. If UA wants my business, they need to improve that process.

Suite lounge in Honolulu is very exclusive and boarding from the lounge into the plane is unique. First suites were huge and comfortable. Japanese meal is like a high end omakase meal. All the staff were very kind and provided sophisticated service. Fast Track upon landing was appreciated but not needed this time because immigration was so empty and easy.

I like the service very much. The food just okay but maybe different culture who like, who don't like.

Warm the bread. Movies: better choices to include Chinese movies options or some of the older winners of flim festival

Almost 6 hours of delay with over 12 gate changes. Flight was supposed to depart around 6 and instead depart after 12am. No accommodations were offered than some snacks closer to midnight when the crew was planning to throw away some snacks.

Flight was on an ANA flight not air Japan. They did most excellent. Again the flight had excellent legroom for someone that is over 6 foot tall and the staff was very very nice. The only issue you may run into is that the person sitting next to you, may not be able to speak the same language as you.

The crew was very nice and polite. They made sure everybody got their meal and drinks. Even the economy class had a very adequate leg room for someone that is over 6 foot tall.

Purchased WiFi was slow to non functional. Staff was not personable or friendly. Seats were cramped. Boarding took long but I expected that.

Luckily I just tried to sleep. But the entertainment system was awkward to operate. I hate all this stuff with apps and adding it to your phone and all. It is a nuisance. I would prefer a good magazine or newspaper in the pocket in front of me or available.

Seats had less pitch than a regional jet. Food was OK. Have to buy alcohol on US based carriers flying international. Boarding was a mess. Did not have bags but overhead space was gone quick. Would like to see the airlines enforce the one bag over and one bag under policy

Ot was overall fine. Left on time and had basic snacks. Weather was finicky but that’s not the airlines fault.

from SFO-> FRA flight, AVML meal was significantly less compared to regular meal, especially no Desert, no Bread, no sides.

Very nice flight love the small aircraft. We had a wonderful flight attendant. Nice to see someone that really enjoys her job. Don't have her name but had a southern accent.

This was an older airplane. The cabin was constantly warm to hot throughout the 10 hour flight and there were no vents to personalize air flow. Also since it was an older plane, the material and comfort of the chairs were very uncomfortable. I left my flight with major soreness on my tailbone.

Very thoughtful flight attendant offered me water immediately since I had run to make my connection.

Door to door, the crew and staff were amazing. It was a stressful travel day with delays, but they were focused on customers and doing what they could to get us to our destinations.

Even though we were delayed, we were able to make our connection

Seats in waiting area and on plane hard as rock. Fast internet on the flight was great! Crew was kind.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

It was just fine. I managed to make all my connection too sbut had trouble in Munich with no wheel chair and trouble trying to get help from the airport people to get to the other terminal for my flight. Finally a wonderful lady Amelia, helped me to make my flight connection Timon with zero time to spare.

Over 40 years ago my AC return flight was canceled, during this last summer the same thing happened. AC denied everything Canadian like paying for accommodations and basic necessities. So why would I ever want to fly AC again? This last flight my wife took the return flight had problems and left late, so I guess they are getting better. However I have no faith in this airline so I drove to this last destination! I'll never fly AC again!!!

Great check in process in LA and good service The check in process as well as at the gate is way better in the US versus canada 🇨🇦

Super experience. Earlier than schedule departure and arrival. Baggage handling was very good

Allow me to book extra bag check in as free though I packed in 1 luggage but that was 7 LBS overweight so make another bag to free check in.

I would like to get my money back. I flight was 4 hours late on the way to detroit, And same on my way back to Brussels they cancelled my flight and give me an other ticket and i had to wait 5 hours.

All attendents were very efficient, pleasant and happy. Everything went smoothly. The seats could have been wider. There could have been more free food instead of just one small bar.

My seat was one of those that couldn't recline, but the problem was that it was abnormally upright, so the headrest actually made the seat concave, which was uncomfortable and hard on my lower back. I had to ball my jacket up and use it as lumbar support. goodness I had it with me.

Boarding was so so after zone 3 was called all other zones went in

I liked a lot , the flight attendant so nice ,the seat very comfortable I enjoyed the flight , I will do it again with Air Canada,

Everything you need to know for your flight from Portland to Bangkok

Information on your arrival and departure airports