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Cheap flights from Portland to Bangkok from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bangkok departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
9:19 pm - 8:00 pmPDX-BKK
31h 41m2 stops
Singapore Airlines Logo
9:10 pm - 1:34 pmBKK-PDX
31h 24m2 stops
$794Singapore Airlines
Find Deal
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
5:50 pm - 1:05 pmPDX-BKK
28h 15m2 stops
Multiple Airlines Logo
2:35 am - 9:35 amBKK-PDX
46h 00m2 stops
$815Multiple Airlines
Find Deal
Mon, Jan 19 - Mon, Feb 9
Multiple Airlines Logo
7:57 pm - 9:50 amPDX-BKK
22h 53m2 stops
Multiple Airlines Logo
10:55 am - 9:35 amBKK-PDX
37h 40m2 stops
$816Multiple Airlines
Find Deal
Sun, Feb 15 - Tue, Mar 3
Multiple Airlines Logo
2:30 pm - 1:05 pmPDX-BKK
31h 35m2 stops
Multiple Airlines Logo
2:35 am - 9:35 amBKK-PDX
46h 00m2 stops
$820Multiple Airlines
Find Deal
Wed, Jan 21 - Mon, Feb 9
Singapore Airlines Logo
10:52 am - 8:25 amPDX-BKK
30h 33m2 stops
Singapore Airlines Logo
9:10 pm - 1:34 pmBKK-PDX
31h 24m2 stops
$824Singapore Airlines
Find Deal
Sun, Feb 1 - Mon, Mar 2
China Airlines Logo
1:24 pm - 9:50 amPDX-BKK
29h 26m2 stops
China Airlines Logo
5:50 pm - 6:18 amBKK-PDX
27h 28m2 stops
$826China Airlines
Find Deal
Sun, Nov 23 - Tue, Dec 23
China Airlines Logo
1:24 pm - 9:50 amPDX-BKK
29h 26m2 stops
China Airlines Logo
5:50 pm - 9:38 amBKK-PDX
30h 48m2 stops
$827China Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 24
China Airlines Logo
5:50 pm - 4:45 pmPDX-BKK
31h 55m2 stops
China Airlines Logo
10:55 am - 10:46 pmBKK-PDX
26h 51m2 stops
$828China Airlines
Find Deal
Sun, Jan 18 - Thu, Feb 5
China Airlines Logo
5:50 pm - 4:45 pmPDX-BKK
31h 55m2 stops
China Airlines Logo
10:55 am - 10:46 pmBKK-PDX
26h 51m2 stops
$829China Airlines
Find Deal
Sun, Jan 18 - Thu, Feb 5
China Airlines Logo
4:51 pm - 9:50 amPDX-BKK
25h 59m2 stops
China Airlines Logo
10:55 am - 10:46 pmBKK-PDX
26h 51m2 stops
$832China Airlines
Find Deal
Thu, Jan 22 - Mon, Feb 2

China Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best China Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
China Airlines
Nov 23
PDX1:24 pmPortland
29h 26m
2 stops
BKK9:50 amBangkok Suvarnabhumi
Dec 23
BKK5:50 pmBangkok Suvarnabhumi
27h 28m
2 stops
PDX6:18 amPortland
$826
Find similar
China Airlines
Nov 24
PDX1:24 pmPortland
29h 26m
2 stops
BKK9:50 amBangkok Suvarnabhumi
Dec 24
BKK5:50 pmBangkok Suvarnabhumi
30h 48m
2 stops
PDX9:38 amPortland
$827
Find similar
China Airlines
Jan 18
PDX5:50 pmPortland
31h 55m
2 stops
BKK4:45 pmBangkok Suvarnabhumi
Feb 5
BKK10:55 amBangkok Suvarnabhumi
26h 51m
2 stops
PDX10:46 pmPortland
$828
Find similar

Singapore Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best Singapore Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
Singapore Airlines
Feb 25
PDX9:19 pmPortland
31h 41m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Mar 15
BKK12:00 pmBangkok Suvarnabhumi
35h 35m
2 stops
PDX9:35 amPortland
$790
Find similar
Singapore Airlines
Feb 18
PDX9:19 pmPortland
31h 41m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Feb 25
BKK9:10 pmBangkok Suvarnabhumi
31h 24m
2 stops
PDX1:34 pmPortland
$794
Find similar
Singapore Airlines
Mar 31
PDX6:00 amPortland
24h 00m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Apr 14
BKK6:30 pmBangkok Suvarnabhumi
35h 58m
2 stops
PDX4:28 pmPortland
$799
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bangkok Suvarnabhumi Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Portland to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 2/18

9:19 pm-8:00 pm

2 stops31h 41m

Bangkok Suvarnabhumi

Wed 2/25

9:10 pm-1:34 pm

2 stops31h 24m

$794

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 1/19

5:50 pm-1:05 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Mon 2/9

2:35 am-9:35 am

2 stops46h 00m

$815

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/15

7:57 pm-9:50 am

2 stops22h 53m

Bangkok Suvarnabhumi

Tue 3/3

10:55 am-9:35 am

2 stops37h 40m

$816

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 1/21

2:30 pm-1:05 pm

2 stops31h 35m

Bangkok Suvarnabhumi

Mon 2/9

2:35 am-9:35 am

2 stops46h 00m

$820

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/1

10:52 am-8:25 am

2 stops30h 33m

Bangkok Suvarnabhumi

Mon 3/2

9:10 pm-1:34 pm

2 stops31h 24m

$824

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 11/23

1:24 pm-9:50 am

2 stops29h 26m

Bangkok Suvarnabhumi

Tue 12/23

5:50 pm-6:18 am

2 stops27h 28m

$826

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/24

1:24 pm-9:50 am

2 stops29h 26m

Bangkok Suvarnabhumi

Wed 12/24

5:50 pm-9:38 am

2 stops30h 48m

$827

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 1/18

5:50 pm-4:45 pm

2 stops31h 55m

Bangkok Suvarnabhumi

Thu 2/5

10:55 am-10:46 pm

2 stops26h 51m

$828

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 1/18

5:50 pm-4:45 pm

2 stops31h 55m

Bangkok Suvarnabhumi

Thu 2/5

10:55 am-10:46 pm

2 stops26h 51m

$829

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 1/22

4:51 pm-9:50 am

2 stops25h 59m

Bangkok Suvarnabhumi

Mon 2/2

10:55 am-10:46 pm

2 stops26h 51m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from Portland to Bangkok Suvarnabhumi Airport

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

What is the typical price of a round-trip flight between Portland and Bangkok Suvarnabhumi Airport?

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

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Portland, with most prices found around $949. The month of October is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Portland averaging around $957.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Monday when prices can be found for as low as $1,127. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,440.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. Flights from Portland to Bangkok Suvarnabhumi Airport during this time can be as low as $1,137. At noon is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,989 per ticket.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $1,093 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Portland for as low as $925 on momondo.

How have Portland to Bangkok Suvarnabhumi Airport flight prices changed over time?

As of November 2025, prices for Portland to Bangkok Suvarnabhumi Airport flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Bangkok Suvarnabhumi Airport (PDX to BKK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Bangkok Suvarnabhumi Airport

Direct flights

None
There are no direct flights from Portland to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Portland to Bangkok Suvarnabhumi Airport.
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  • How far is Portland to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 7525.4 mi away from Portland. 22h 53m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Bangkok Suvarnabhumi Airport?

    Prices for flights from Portland Airport to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Bangkok Suvarnabhumi Airport?

  • How old do you have to be to fly from Portland Airport to Bangkok Suvarnabhumi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Bangkok Suvarnabhumi Airport.

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Bangkok Suvarnabhumi Airport?

Best airlines flying from Portland to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Portland to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $227Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,624 reviews
Search Japan Airlines flights
STARLUX AirlinesPriceFrom $777Free CancellationRating
8.9
232 reviews
Search STARLUX Airlines flights
ANAPriceFrom $793Free CancellationRating
8.4
1,009 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,170 reviews
Search Korean Air flights
United AirlinesPriceFrom $817Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
Singapore AirlinesPriceFrom $820Free CancellationRating
8.1
1,407 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $835Free CancellationRating
8.3
782 reviews
Search China Airlines flights
Qatar AirwaysPriceFrom $864Free CancellationRating
7.4
3,664 reviews
Search Qatar Airways flights
Air CanadaPriceFrom $928Free CancellationRating
7.1
10,463 reviews
Search Air Canada flights

Traveling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Kanchanaburi
Cha-am
Chonburi
Ayutthaya
Ko Lan
Pak Chong
Sattahip
Phetchaburi

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Bangkok?

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

Can I find flights from Portland to Bangkok with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Bangkok flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Bangkok?

momondo provides multiple filters to help you find the best flight to Bangkok from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bangkok from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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