Cheap flights from Portland to Bangkok from $359

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Portland to Bangkok (PDX-BKK)

Cheap round-trip flights

Delta Logo
9:10 am - 12:45 amPDX-BKK
24h 35m2 stops
Delta Logo
11:15 pm - 4:31 pmBKK-PDX
32h 16m2 stops
$840Delta
Find Deal
Wed, Nov 12 - Wed, Nov 26
STARLUX Airlines Logo
9:30 pm - 4:40 pmPDX-BKK
29h 10m2 stops
STARLUX Airlines Logo
5:50 pm - 10:45 pmBKK-PDX
42h 55m2 stops
$842STARLUX Airlines
Find Deal
Thu, Sep 25 - Sat, Oct 4
ANA Logo
9:47 am - 11:55 pmPDX-BKK
24h 08m2 stops
ANA Logo
9:35 pm - 6:32 pmBKK-PDX
34h 57m2 stops
$844ANA
Find Deal
Sun, Aug 31 - Sun, Sep 7
Korean Air Logo
9:17 am - 1:15 pmPDX-BKK
37h 58m2 stops
Korean Air Logo
1:00 am - 4:31 pmBKK-PDX
30h 31m2 stops
$846Korean Air
Find Deal
Wed, Oct 29 - Tue, Nov 18
 Logo
7:45 am - 11:55 pmPDX-BKK
26h 10m2 stops
 Logo
1:55 pm - 6:46 pmBKK-PDX
42h 51m2 stops
Wed, Sep 10 - Wed, Oct 1
 Logo
2:30 pm - 12:00 pmPDX-BKK
31h 30m2 stops
 Logo
1:45 pm - 6:49 pmBKK-PDX
20h 04m2 stops
Mon, Oct 6 - Wed, Nov 5
United Airlines Logo
7:45 am - 4:35 amPDX-BKK
30h 50m2 stops
United Airlines Logo
7:00 am - 8:37 pmBKK-PDX
27h 37m2 stops
$849United Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
6:00 am - 12:05 amPDX-BKK
27h 05m2 stops
United Airlines Logo
7:10 am - 9:15 pmBKK-PDX
29h 05m2 stops
$852United Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 11
Japan Airlines Logo
8:31 am - 5:50 amPDX-BKK
31h 19m2 stops
Japan Airlines Logo
9:45 am - 10:31 pmBKK-PDX
50h 46m2 stops
$854Japan Airlines
Find Deal
Thu, Sep 4 - Fri, May 8
Korean Air Logo
7:10 am - 9:30 pmPDX-BKK
23h 20m2 stops
Korean Air Logo
1:00 am - 4:24 pmBKK-PDX
30h 24m2 stops
$934Korean Air
Find Deal
Mon, Dec 1 - Sun, Dec 21

EVA Air flights from Portland to Bangkok Suvarnabhumi Airport

Our best EVA Air deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
EVA Air
Nov 5
PDX3:29 pmPortland
28h 41m
2 stops
BKK11:10 amBangkok Suvarnabhumi
Apr 21
BKK1:35 amBangkok Suvarnabhumi
25h 44m
2 stops
PDX1:19 pmPortland
EVA Air
Aug 31
PDX5:36 pmPortland
27h 14m
2 stops
BKK10:50 amBangkok Suvarnabhumi
Dec 31
BKK2:15 amBangkok Suvarnabhumi
26h 32m
2 stops
PDX1:47 pmPortland
EVA Air
Aug 31
PDX5:36 pmPortland
27h 14m
2 stops
BKK10:50 amBangkok Suvarnabhumi
Jan 1
BKK5:15 pmBangkok Suvarnabhumi
20h 44m
2 stops
PDX10:59 pmPortland

United Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best United Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
United Airlines
Sep 3
PDX7:45 amPortland
30h 50m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 6
BKK7:00 amBangkok Suvarnabhumi
27h 37m
2 stops
PDX8:37 pmPortland
United Airlines
Dec 1
PDX6:00 amPortland
27h 05m
2 stops
BKK12:05 amBangkok Suvarnabhumi
Dec 11
BKK7:10 amBangkok Suvarnabhumi
29h 05m
2 stops
PDX9:15 pmPortland
United Airlines
Oct 26
PDX10:05 amPortland
35h 20m
2 stops
BKK11:25 amBangkok Suvarnabhumi
Nov 4
BKK7:10 amBangkok Suvarnabhumi
28h 28m
2 stops
PDX8:38 pmPortland

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 August 21, 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 11/12

9:10 am-12:45 am

2 stops24h 35m

Bangkok Suvarnabhumi

Wed 11/26

11:15 pm-4:31 pm

2 stops32h 16m

$840

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 9/25

9:30 pm-4:40 pm

2 stops29h 10m

Bangkok Suvarnabhumi

Sat 10/4

5:50 pm-10:45 pm

2 stops42h 55m

$842

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 8/31

9:47 am-11:55 pm

2 stops24h 08m

Bangkok Suvarnabhumi

Sun 9/7

9:35 pm-6:32 pm

2 stops34h 57m

$844

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 10/29

9:17 am-1:15 pm

2 stops37h 58m

Bangkok Suvarnabhumi

Tue 11/18

1:00 am-4:31 pm

2 stops30h 31m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/10

7:45 am-11:55 pm

2 stops26h 10m

Bangkok Suvarnabhumi

Wed 10/1

1:55 pm-6:46 pm

2 stops42h 51m

$847

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 10/6

2:30 pm-12:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Wed 11/5

1:45 pm-6:49 pm

2 stops20h 04m

$848

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/3

7:45 am-4:35 am

2 stops30h 50m

Bangkok Suvarnabhumi

Sat 9/6

7:00 am-8:37 pm

2 stops27h 37m

$849

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 12/1

6:00 am-12:05 am

2 stops27h 05m

Bangkok Suvarnabhumi

Thu 12/11

7:10 am-9:15 pm

2 stops29h 05m

$852

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 9/4

8:31 am-5:50 am

2 stops31h 19m

Bangkok Suvarnabhumi

Fri 5/8

9:45 am-10:31 pm

2 stops50h 46m

$854

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 12/1

7:10 am-9:30 pm

2 stops23h 20m

Bangkok Suvarnabhumi

Sun 12/21

1:00 am-4:24 pm

2 stops30h 24m

$934

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Portland, with most prices found around $958. The month of September is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Portland averaging around $961.

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 $1,118 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 $1,036 on momondo.

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

As of August 2025, prices for Portland to Bangkok Suvarnabhumi Airport flights are approximately 15% 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.
  • How far is Portland to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 7525.4 mi away from Portland. 22h 25m 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
7,981 reviews
Search Delta flights
China EasternPriceFrom $750Free CancellationRating
7.2
161 reviews
Search China Eastern flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
ANAPriceFrom $796Free CancellationRating
8.4
938 reviews
Search ANA flights
Singapore AirlinesPriceFrom $820Free CancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $822Free CancellationRating
8.3
1,552 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $836Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
China AirlinesPriceFrom $837Free CancellationRating
8.3
764 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $846Free CancellationRating
9.0
207 reviews
Search STARLUX Airlines flights
Qatar AirwaysPriceFrom $864Free CancellationRating
7.4
3,615 reviews
Search Qatar Airways flights

Traveling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Kanchanaburi
Ayutthaya
Chonburi
Cha-am
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.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2

Find better results for your trip to Bangkok

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo