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838 € Cheap Flights from Portland to Bangkok

Compare Portland to Bangkok flight deals

Find the cheapest month or even day of the year to fly to Bangkok

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Flight deals from Portland to Bangkok

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Bangkok? If you want to travel next month, return fares start from 929 €. Find the lowest prices on one-way and return tickets right here.
Bangkok.838 € per passenger.Departing Tue, 1 Sep, returning Tue, 6 Oct.Return flight with Alaska Airlines and Singapore Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Tue, 1 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Singapore Airlines, departs from Bangkok Suvarnabhumi on Tue, 6 Oct, arriving in Portland.Price includes taxes and charges.From 838 €, select.
Bangkok.904 € per passenger.Departing Thu, 10 Sep, returning Sat, 26 Sep.Return flight with Frontier Airlines and Korean Air.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 10 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Korean Air, departs from Bangkok Suvarnabhumi on Sat, 26 Sep, arriving in Portland.Price includes taxes and charges.From 904 €, select.
Bangkok.908 € per passenger.Departing Sat, 24 Oct, returning Fri, 30 Oct.Return flight with Frontier Airlines and Singapore Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sat, 24 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Singapore Airlines, departs from Bangkok Suvarnabhumi on Fri, 30 Oct, arriving in Portland.Price includes taxes and charges.From 908 €, select.
Bangkok.921 € per passenger.Departing Mon, 17 Aug, returning Wed, 2 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Mon, 17 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Air Canada, departs from Bangkok Suvarnabhumi on Wed, 2 Sep, arriving in Portland.Price includes taxes and charges.From 921 €, select.
Bangkok.927 € per passenger.Departing Sun, 27 Sep, returning Mon, 9 Nov.Return flight with Frontier Airlines and Singapore Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sun, 27 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Singapore Airlines, departs from Bangkok Suvarnabhumi on Mon, 9 Nov, arriving in Portland.Price includes taxes and charges.From 927 €, select.
Bangkok.928 € per passenger.Departing Sun, 1 Nov, returning Sun, 15 Nov.Return flight with Frontier Airlines and Xiamen Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sun, 1 Nov, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Xiamen Airlines, departs from Bangkok Suvarnabhumi on Sun, 15 Nov, arriving in Portland.Price includes taxes and charges.From 928 €, select.
Bangkok.929 € per passenger.Departing Fri, 21 Aug, returning Fri, 28 Aug.Return flight with Frontier Airlines and STARLUX Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 21 Aug, arriving in Don Mueang.Inbound indirect flight with STARLUX Airlines, departs from Bangkok Suvarnabhumi on Fri, 28 Aug, arriving in Portland.Price includes taxes and charges.From 929 €, select.
Bangkok.933 € per passenger.Departing Mon, 31 Aug, returning Wed, 14 Oct.Return flight with Alaska Airlines and STARLUX Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 31 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with STARLUX Airlines, departs from Bangkok Suvarnabhumi on Wed, 14 Oct, arriving in Portland.Price includes taxes and charges.From 933 €, select.
Bangkok.942 € per passenger.Departing Sun, 22 Nov, returning Fri, 15 Jan.Return flight with Alaska Airlines and STARLUX Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sun, 22 Nov, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with STARLUX Airlines, departs from Bangkok Suvarnabhumi on Fri, 15 Jan, arriving in Portland.Price includes taxes and charges.From 942 €, select.
Bangkok.946 € per passenger.Departing Mon, 26 Oct, returning Mon, 9 Nov.Return flight with Alaska Airlines and Singapore Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 26 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Singapore Airlines, departs from Bangkok Suvarnabhumi on Mon, 9 Nov, arriving in Portland.Price includes taxes and charges.From 946 €, select.
Bangkok.947 € per passenger.Departing Thu, 8 Oct, returning Wed, 9 Dec.Return flight with Frontier Airlines and China Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 8 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with China Airlines, departs from Bangkok Suvarnabhumi on Wed, 9 Dec, arriving in Portland.Price includes taxes and charges.From 947 €, select.
Bangkok.957 € per passenger.Departing Mon, 8 Feb, returning Mon, 1 Mar.Return flight with Icelandair and Philippines AirAsia.Outbound indirect flight with Icelandair, departs from Portland on Mon, 8 Feb, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Philippines AirAsia, departs from Don Mueang on Mon, 1 Mar, arriving in Portland.Price includes taxes and charges.From 957 €, select.
Bangkok.974 € per passenger.Departing Mon, 30 Nov, returning Fri, 11 Dec.Return flight with Alaska Airlines and Korean Air.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 30 Nov, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Korean Air, departs from Bangkok Suvarnabhumi on Fri, 11 Dec, arriving in Portland.Price includes taxes and charges.From 974 €, select.
Bangkok.984 € per passenger.Departing Wed, 7 Apr, returning Mon, 19 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Portland on Wed, 7 Apr, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Qatar Airways, departs from Bangkok Suvarnabhumi on Mon, 19 Apr, arriving in Portland.Price includes taxes and charges.From 984 €, select.
Bangkok.985 € per passenger.Departing Mon, 1 Mar, returning Thu, 29 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Portland on Mon, 1 Mar, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Qatar Airways, departs from Bangkok Suvarnabhumi on Thu, 29 Apr, arriving in Portland.Price includes taxes and charges.From 985 €, select.
Bangkok.985 € per passenger.Departing Mon, 12 Apr, returning Mon, 31 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Portland on Mon, 12 Apr, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Qatar Airways, departs from Bangkok Suvarnabhumi on Mon, 31 May, arriving in Portland.Price includes taxes and charges.From 985 €, select.

Find the cheapest month to fly from Portland to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Bangkok flights are currently cheapest in September.
Jul
from 1.076 €
Aug
from 929 €
Sep
from 904 €
Oct
from 908 €
Nov
from 928 €
Dec
from 1.034 €
Jan
from 1.065 €
Feb
from 1.016 €
Mar
from 1.035 €
Apr
from 984 €
May
from 1.007 €
Jun
Find prices

Alternative Portland to Bangkok routes

Looking for the cheapest, fastest or easiest route from Portland to Bangkok? You could fly into the following airports instead.

Don Mueang

21km from central Bangkok
Closest
from 968 €
Search flights

Bangkok Suvarnabhumi

29km from central Bangkok
Cheapest
from 838 €
Search flights

Portland to Bangkok: Flight information

The things to know before you go.
Cheapest flight found838 €
Cheapest month to flySeptember

Finding cheap flights from Portland to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from Portland to Bangkok is 838 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Bangkok. But we found flights with one or more stops from 838 €.
As of July 2026, there are no flights flying from Portland to Bangkok.
The cheapest month to fly from Portland to Bangkok is usually September.
If you're flying from Portland Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.6 km away from the centre of Bangkok. We've found flights into this airport from 838 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Bangkok on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Portland Airport and Bangkok. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 28°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
Currently, Alaska Airlines offers the cheapest flight tickets to Bangkok.

Travelling from Portland International Airport (PDX) to Bangkok: what you need to know

  • Portland International Airport is located in Portland. Following the UTC+7 timezone, Bangkok is 15 hours ahead of Portland.

  • Allow plenty of time to catch your PDX to Bangkok flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during peak periods in general.

  • A stopover is the ideal opportunity to take a break from travelling and perhaps even explore a different city. When searching for plane tickets from PDX to Bangkok, deselect the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Vancouver International Airport (YVR)

  • The journey from central Portland to PDX takes about 40 minutes on public transport. If you drive, ride-share or grab a taxi, you'll cover the 10 kilometres in 20 minutes or so, depending on traffic.

  • Have an early flight from Portland International Airport to Bangkok? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to PDX:

  • 83% of flights leaving Portland International Airport land at their destination according to schedule. With its strong on-time performance, disruptions are unlikely when flying out of PDX.

  • PDX is located at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Bangkok

  • The best price we've seen for a one-way Portland International Airport to Bangkok flight is 421 €. The cheapest price for a return flight is 838 €. Bear in mind fares can change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap flights from PDX to Bangkok if you book early. Airlines often offer some excellent early bird discounts.

  • Finding cheap tickets from Portland International Airport to Bangkok is easier if you're flexible with your dates. Try using the 'Whole month' tool to access the lowest prices across the month and bag a fantastic deal.

  • Save time looking for cheap flights from PDX to Bangkok by creating a Price Alert. You'll receive an email or notification on the app when fares go down.

  • Tailor your trip with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Portland International Airport to Bangkok.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Bangkok Suvarnabhumi International Airport (BKK) to central Bangkok takes about 35 minutes by car. The centre is roughly 31 kilometres away.

  • Getting to the centre by public transport typically takes 35 minutes.

  • Consider booking a hotel near BKK if you're coming in on a late flight from Portland International Airport to Bangkok. Select one of these accommodation options and make your arrival easier:

  • Reserving your ride from Bangkok Suvarnabhumi International Airport around four weeks ahead of your flight from PDX to Bangkok can help you get the best possible rate.

Bangkok Don Mueang International Airport (DMK)

  • Once your flight from Portland International Airport to Bangkok has touched down, you can reach the city centre in around 35 minutes by car. Central Bangkok is roughly 24 kilometres from Bangkok Don Mueang International Airport (DMK).

  • If you travel by public transport, you'll reach the centre in 1 hour 5 minutes or so.

  • After stepping off your PDX to Bangkok flight, settle in at a hotel close to DMK. These are some comfortable accommodation options that'll help you get into relaxation mode:

  • Secure your first choice, not your last resort. Securing your ride from DMK three weeks ahead of time often means better prices and a wider selection of vehicles.

Best time to go to Bangkok

  • It's time to choose your dates for your flight from Portland International Airport to Bangkok. February is the most popular month for a trip to Bangkok. If you prefer a more relaxed vibe, go in May.

  • The warmest month in Bangkok is April, with temperatures ranging between 26ºC (79ºF) and 37ºC (99ºF). Book your Portland International Airport to Bangkok plane ticket then if that's your definition of good weather.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from PDX to Bangkok in January when temperatures average between 19ºC (66ºF) and 34ºC (93ºF).

More about Bangkok

  • Once you've booked your flight from Portland International Airport to Bangkok, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Bangkok:

  • Every great adventure has to include some sightseeing. Wat Phra Kaew, Grand Palace and Songkran Festival Silom are must-do's during your Bangkok adventure.

Explore more of Thailand

  • Bangkok is always a good idea, but there are so many other parts of Thailand waiting to be explored. Around 467 kilometres northeast of Bangkok, a trip to Udon Thani will keep you on the go. Start with popular sights like Thai-Chinese Cultural Centre, Wat Pho Chai and Wat Burapa Wanaram.

  • Around 225 kilometres northeast of Bangkok, Nakhon Ratchasima is another essential stop in Thailand. No visit is complete without checking out Night Safari Korat, Wat Chai Mongkol and Wat Na Pha That.

Plan the rest of your trip from Portland to Bangkok

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.