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Cheap flights from Portland to Bangkok from $331

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 3/5. 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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Find the cheapest flights from Portland to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Airlines Logo
1:52 pm - 9:45 am
PDX
-
BKK
29h 53m
2 stops
China Airlines Logo
10:50 am - 9:47 am
BKK
-
PDX
36h 57m
2 stops
$838China Airlines
Sun, May 10 - Sat, May 23
Multiple Airlines Logo
5:40 pm - 9:45 am
PDX
-
BKK
26h 05m
2 stops
Multiple Airlines Logo
5:30 pm - 9:29 am
BKK
-
PDX
29h 59m
2 stops
$841Multiple Airlines
Thu, May 14 - Wed, May 27
STARLUX Airlines Logo
8:59 pm - 12:00 pm
PDX
-
BKK
25h 01m
2 stops
STARLUX Airlines Logo
1:10 pm - 12:10 am
BKK
-
PDX
25h 00m
2 stops
$844STARLUX Airlines
Mon, Aug 24 - Sat, Sep 12
STARLUX Airlines Logo
8:27 pm - 12:00 pm
PDX
-
BKK
25h 33m
2 stops
STARLUX Airlines Logo
1:10 pm - 7:34 pm
BKK
-
PDX
20h 24m
2 stops
$849STARLUX Airlines
Tue, Apr 21 - Sun, May 3
Multiple Airlines Logo
5:45 pm - 12:00 pm
PDX
-
BKK
28h 15m
2 stops
Multiple Airlines Logo
5:50 pm - 9:38 am
BKK
-
PDX
29h 48m
2 stops
$850Multiple Airlines
Mon, Apr 6 - Thu, May 7
Multiple Airlines Logo
5:45 pm - 12:00 pm
PDX
-
BKK
28h 15m
2 stops
Multiple Airlines Logo
5:50 pm - 9:35 am
BKK
-
PDX
29h 45m
2 stops
$855Multiple Airlines
Wed, Apr 1 - Sun, Apr 19
STARLUX Airlines Logo
7:27 pm - 4:40 pm
PDX
-
BKK
31h 13m
2 stops
STARLUX Airlines Logo
1:10 pm - 7:34 pm
BKK
-
PDX
20h 24m
2 stops
$856STARLUX Airlines
Mon, Mar 30 - Thu, Apr 30
STARLUX Airlines Logo
7:27 pm - 12:00 pm
PDX
-
BKK
26h 33m
2 stops
STARLUX Airlines Logo
1:10 pm - 7:34 pm
BKK
-
PDX
20h 24m
2 stops
$860STARLUX Airlines
Tue, Apr 7 - Fri, Apr 24
Multiple Airlines Logo
5:45 pm - 12:00 pm
PDX
-
BKK
28h 15m
2 stops
Multiple Airlines Logo
1:10 pm - 7:34 pm
BKK
-
PDX
20h 24m
2 stops
$861Multiple Airlines
Mon, Apr 20 - Thu, May 7
United Airlines Logo
5:30 am - 4:35 am
PDX
-
BKK
33h 05m
3 stops
United Airlines Logo
9:35 am - 12:53 am
BKK
-
PDX
29h 18m
2 stops
$862United Airlines
Thu, Aug 20 - Wed, Sep 2

STARLUX Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best STARLUX Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
STARLUX Airlines
Mar 1
PDX9:48 pmPortland
51h 42m
2 stops
BKK4:30 pmBangkok Suvarnabhumi
Mar 12
BKK5:40 pmBangkok Suvarnabhumi
30h 02m
2 stops
PDX9:42 amPortland
$848
STARLUX Airlines
Apr 21
PDX8:27 pmPortland
25h 33m
2 stops
BKK12:00 pmBangkok Suvarnabhumi
May 3
BKK1:10 pmBangkok Suvarnabhumi
20h 24m
2 stops
PDX7:34 pmPortland
$849
STARLUX Airlines
Mar 30
PDX7:27 pmPortland
31h 13m
2 stops
BKK4:40 pmBangkok Suvarnabhumi
Apr 30
BKK1:10 pmBangkok Suvarnabhumi
20h 24m
2 stops
PDX7:34 pmPortland
$856

United Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best United Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
United Airlines
Apr 20
PDX7:15 amPortland
31h 20m
2 stops
BKK4:35 amBangkok Suvarnabhumi
May 3
BKK9:35 amBangkok Suvarnabhumi
44h 58m
2 stops
PDX4:33 pmPortland
$863
United Airlines
May 6
PDX5:20 amPortland
38h 15m
3 stops
BKK9:35 amBangkok Suvarnabhumi
May 18
BKK9:35 amBangkok Suvarnabhumi
44h 58m
2 stops
PDX4:33 pmPortland
$866
United Airlines
May 6
PDX5:20 amPortland
38h 15m
3 stops
BKK9:35 amBangkok Suvarnabhumi
May 18
BKK9:35 amBangkok Suvarnabhumi
49h 23m
2 stops
PDX8:58 pmPortland
$867

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 February 25, 2026.
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

Sun 5/10

1:52 pm-9:45 am

2 stops29h 53m

Bangkok Suvarnabhumi

Sat 5/23

10:50 am-9:47 am

2 stops36h 57m

$838

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 5/14

5:40 pm-9:45 am

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 5/27

5:30 pm-9:29 am

2 stops29h 59m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 8/24

8:59 pm-12:00 pm

2 stops25h 01m

Bangkok Suvarnabhumi

Sat 9/12

1:10 pm-12:10 am

2 stops25h 00m

$844

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/21

8:27 pm-12:00 pm

2 stops25h 33m

Bangkok Suvarnabhumi

Sun 5/3

1:10 pm-7:34 pm

2 stops20h 24m

$849

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/6

5:45 pm-12:00 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Thu 5/7

5:50 pm-9:38 am

2 stops29h 48m

$850

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/1

5:45 pm-12:00 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Sun 4/19

5:50 pm-9:35 am

2 stops29h 45m

$855

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/30

7:27 pm-4:40 pm

2 stops31h 13m

Bangkok Suvarnabhumi

Thu 4/30

1:10 pm-7:34 pm

2 stops20h 24m

$856

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/7

7:27 pm-12:00 pm

2 stops26h 33m

Bangkok Suvarnabhumi

Fri 4/24

1:10 pm-7:34 pm

2 stops20h 24m

$860

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/20

5:45 pm-12:00 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Thu 5/7

1:10 pm-7:34 pm

2 stops20h 24m

$861

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 8/20

5:30 am-4:35 am

3 stops33h 05m

Bangkok Suvarnabhumi

Wed 9/2

9:35 am-12:53 am

2 stops29h 18m

$862

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 $927. The month of August is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Portland averaging around $945.

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 $1,071 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 $932 on momondo.

Can stopping save me money on Portland to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a Portland to Bangkok Suvarnabhumi Airport flight.

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

As of February 2026, prices for Portland to Bangkok Suvarnabhumi Airport flights are approximately 12% 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

Fastest flight time

24h 01m

Direct flights

None
The fastest flight from Portland to Bangkok Suvarnabhumi Airport takes 24h 01m
There are no direct flights from Portland to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Portland to Bangkok Suvarnabhumi Airport.
Search flight deals

  • How far is Portland to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 7525.4 mi away from Portland. 24h 01m 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 $139Free CancellationRating
7.9
8,235 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,179 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $757Free CancellationRating
8.9
275 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,463 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,714 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
808 reviews
Search China Airlines flights
ANAPriceFrom $785Free CancellationRating
8.4
1,101 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,195 reviews
Search Korean Air flights
United AirlinesPriceFrom $821Free CancellationRating
7.4
9,349 reviews
Search United Airlines flights
EVA AirPriceFrom $896Free CancellationRating
8.4
1,359 reviews
Search EVA Air 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
Ayutthaya
Ko Lan
Chonburi
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

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