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Cheap flights from Portland to Bangkok from $337

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 3/1. 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.
Multiple Airlines Logo
10:33 am - 7:50 am
PDX
-
BKK
30h 17m3 stops
Multiple Airlines Logo
8:50 pm - 9:42 am
BKK
-
PDX
51h 52m3 stops
$793Multiple Airlines
Sun, Feb 8 - Mon, Feb 23
Singapore Airlines Logo
6:00 am - 8:00 pm
PDX
-
BKK
24h 00m2 stops
Singapore Airlines Logo
8:10 pm - 4:28 pm
BKK
-
PDX
34h 18m2 stops
$796Singapore Airlines
Tue, Mar 31 - Tue, Apr 14
Singapore Airlines Logo
2:30 pm - 8:25 am
PDX
-
BKK
27h 55m2 stops
Singapore Airlines Logo
8:00 pm - 12:21 pm
BKK
-
PDX
30h 21m2 stops
$829Singapore Airlines
Fri, Mar 13 - Fri, Mar 20
Singapore Airlines Logo
2:30 pm - 8:25 am
PDX
-
BKK
26h 55m2 stops
Singapore Airlines Logo
12:00 pm - 9:35 am
BKK
-
PDX
35h 35m2 stops
$838Singapore Airlines
Wed, Feb 25 - Tue, Mar 10
Singapore Airlines Logo
5:39 pm - 2:35 pm
PDX
-
BKK
29h 56m2 stops
Singapore Airlines Logo
8:00 pm - 1:37 pm
BKK
-
PDX
31h 37m2 stops
$842Singapore Airlines
Mon, Mar 2 - Mon, Mar 16
Japan Airlines Logo
7:20 am - 4:25 pm
PDX
-
BKK
42h 05m2 stops
Japan Airlines Logo
10:05 pm - 4:50 pm
BKK
-
PDX
33h 45m2 stops
$843Japan Airlines
Thu, Feb 5 - Mon, Feb 9
Singapore Airlines Logo
5:50 pm - 2:35 pm
PDX
-
BKK
29h 45m2 stops
Singapore Airlines Logo
9:10 pm - 4:49 pm
BKK
-
PDX
34h 39m3 stops
$850Singapore Airlines
Wed, Jan 28 - Sun, Feb 8
Multiple Airlines Logo
7:05 am - 11:40 pm
PDX
-
BKK
25h 35m2 stops
Multiple Airlines Logo
11:20 am - 8:34 pm
BKK
-
PDX
23h 14m2 stops
$851Multiple Airlines
Mon, Feb 23 - Wed, Mar 11
China Airlines Logo
5:35 pm - 4:45 pm
PDX
-
BKK
32h 10m2 stops
China Airlines Logo
10:55 am - 10:46 pm
BKK
-
PDX
26h 51m2 stops
$855China Airlines
Sun, Jan 18 - Thu, Feb 5
Delta Logo
9:20 am - 12:55 am
PDX
-
BKK
24h 35m2 stops
Delta Logo
11:15 pm - 8:55 pm
BKK
-
PDX
36h 40m2 stops
$857Delta
Mon, Feb 9 - Wed, Mar 4

China Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best China Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
China Airlines
Jan 18
PDX1:38 pmPortland
29h 12m
2 stops
BKK9:50 amBangkok Suvarnabhumi
Feb 5
BKK10:55 amBangkok Suvarnabhumi
26h 51m
2 stops
PDX10:46 pmPortland
$855
Find similar
China Airlines
Feb 23
PDX8:30 amPortland
34h 20m
2 stops
BKK9:50 amBangkok Suvarnabhumi
Mar 15
BKK2:35 amBangkok Suvarnabhumi
34h 06m
2 stops
PDX10:41 pmPortland
$860
Find similar
China Airlines
Jan 23
PDX2:57 pmPortland
43h 38m
2 stops
BKK1:35 amBangkok Suvarnabhumi
Feb 5
BKK5:50 pmBangkok Suvarnabhumi
19h 56m
2 stops
PDX10:46 pmPortland
$870
Find similar

United Airlines flights from Portland to Bangkok Suvarnabhumi Airport

Our best United Airlines deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
United Airlines
Feb 10
PDX5:35 amPortland
27h 45m
2 stops
BKK12:20 amBangkok Suvarnabhumi
Apr 30
BKK9:35 amBangkok Suvarnabhumi
29h 13m
2 stops
PDX12:48 amPortland
$861
Find similar
United Airlines
Jan 27
PDX5:35 amPortland
27h 45m
2 stops
BKK12:20 amBangkok Suvarnabhumi
Feb 3
BKK4:55 pmBangkok Suvarnabhumi
41h 01m
2 stops
PDX6:56 pmPortland
$881
Find similar
United Airlines
Jan 14
PDX7:45 amPortland
36h 40m
2 stops
BKK11:25 amBangkok Suvarnabhumi
Jan 21
BKK4:55 pmBangkok Suvarnabhumi
34h 38m
3 stops
PDX12:33 pmPortland
$882
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 December 15, 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

Sun 2/8

10:33 am-7:50 am

3 stops30h 17m

Bangkok Suvarnabhumi

Mon 2/23

8:50 pm-9:42 am

3 stops51h 52m

$793

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 3/31

6:00 am-8:00 pm

2 stops24h 00m

Bangkok Suvarnabhumi

Tue 4/14

8:10 pm-4:28 pm

2 stops34h 18m

$796

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 3/13

2:30 pm-8:25 am

2 stops27h 55m

Bangkok Suvarnabhumi

Fri 3/20

8:00 pm-12:21 pm

2 stops30h 21m

$829

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 2/25

2:30 pm-8:25 am

2 stops26h 55m

Bangkok Suvarnabhumi

Tue 3/10

12:00 pm-9:35 am

2 stops35h 35m

$838

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/2

5:39 pm-2:35 pm

2 stops29h 56m

Bangkok Suvarnabhumi

Mon 3/16

8:00 pm-1:37 pm

2 stops31h 37m

$842

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 2/5

7:20 am-4:25 pm

2 stops42h 05m

Bangkok Suvarnabhumi

Mon 2/9

10:05 pm-4:50 pm

2 stops33h 45m

$843

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 1/28

5:50 pm-2:35 pm

2 stops29h 45m

Bangkok Suvarnabhumi

Sun 2/8

9:10 pm-4:49 pm

3 stops34h 39m

$850

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/23

7:05 am-11:40 pm

2 stops25h 35m

Bangkok Suvarnabhumi

Wed 3/11

11:20 am-8:34 pm

2 stops23h 14m

$851

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 1/18

5:35 pm-4:45 pm

2 stops32h 10m

Bangkok Suvarnabhumi

Thu 2/5

10:55 am-10:46 pm

2 stops26h 51m

$855

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/9

9:20 am-12:55 am

2 stops24h 35m

Bangkok Suvarnabhumi

Wed 3/4

11:15 pm-8:55 pm

2 stops36h 40m

$857

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Portland, with most prices found around $957. The month of August is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Portland averaging around $958.

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 $1,100 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.

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

As of December 2025, prices for Portland to Bangkok Suvarnabhumi Airport flights are approximately 30% 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 00m

Direct flights

None
The fastest flight from Portland to Bangkok Suvarnabhumi Airport takes 24h 00m
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 00m 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
8,008 reviews
Search Delta flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.1
1,413 reviews
Search Singapore Airlines flights
STARLUX AirlinesPriceFrom $775Free CancellationRating
8.9
243 reviews
Search STARLUX Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,658 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
791 reviews
Search China Airlines flights
ANAPriceFrom $785Free CancellationRating
8.4
1,023 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights
United AirlinesPriceFrom $821Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $864Free CancellationRating
7.4
3,683 reviews
Search Qatar Airways flights
EVA AirPriceFrom $920Free CancellationRating
8.5
1,297 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
Ko Lan
Chonburi
Ayutthaya
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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