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Cheap flights from Portland to Bangkok from $355

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 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:20 am - 1:35 amPDX-BKK
27h 15m2 stops
Multiple Airlines Logo
2:35 am - 8:50 pmBKK-PDX
33h 15m2 stops
$847Multiple Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
China Airlines Logo
5:55 pm - 1:35 amPDX-BKK
40h 40m2 stops
China Airlines Logo
2:35 am - 9:40 amBKK-PDX
46h 05m2 stops
$852China Airlines
Find Deal
Tue, Nov 4 - Mon, Nov 17
STARLUX Airlines Logo
8:45 pm - 4:30 pmPDX-BKK
29h 45m2 stops
STARLUX Airlines Logo
1:45 pm - 10:27 pmBKK-PDX
23h 42m2 stops
$853STARLUX Airlines
Find Deal
Tue, Oct 28 - Tue, Dec 2
United Airlines Logo
6:00 am - 11:25 amPDX-BKK
39h 25m3 stops
United Airlines Logo
4:55 pm - 6:36 pmBKK-PDX
39h 41m3 stops
$860United Airlines
Find Deal
Sun, Oct 26 - Fri, Oct 31
United Airlines Logo
6:00 am - 11:25 amPDX-BKK
39h 25m3 stops
United Airlines Logo
4:55 pm - 2:46 pmBKK-PDX
36h 51m2 stops
$864United Airlines
Find Deal
Sun, Oct 26 - Thu, Nov 6
United Airlines Logo
7:30 am - 11:25 amPDX-BKK
36h 55m2 stops
United Airlines Logo
4:55 pm - 2:46 pmBKK-PDX
36h 51m3 stops
$869United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
STARLUX Airlines Logo
3:57 pm - 12:35 pmPDX-BKK
29h 38m2 stops
STARLUX Airlines Logo
1:45 pm - 7:02 pmBKK-PDX
20h 17m2 stops
$897STARLUX Airlines
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Fri, Nov 28 - Fri, Dec 5
Delta Logo
5:30 am - 12:45 amPDX-BKK
29h 15m2 stops
Delta Logo
12:55 am - 12:16 amBKK-PDX
38h 21m2 stops
$928Delta
Find Deal
Tue, Oct 28 - Mon, Dec 1
Korean Air Logo
7:00 am - 12:55 amPDX-BKK
26h 55m2 stops
Korean Air Logo
11:15 pm - 1:14 pmBKK-PDX
28h 59m2 stops
$934Korean Air
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Tue, Dec 30 - Mon, Jan 19
Delta Logo
5:30 am - 12:45 amPDX-BKK
28h 15m2 stops
Delta Logo
9:40 am - 7:11 pmBKK-PDX
24h 31m2 stops
$968Delta
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Mon, Dec 29 - Fri, Jan 16

China Eastern flights from Portland to Bangkok Suvarnabhumi Airport

Our best China Eastern deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
China Eastern
Dec 1
PDX6:29 amPortland
27h 26m
2 stops
BKK12:55 amBangkok Suvarnabhumi
Dec 11
BKK5:05 amBangkok Suvarnabhumi
26h 30m
2 stops
PDX4:35 pmPortland
$871
Find similar
China Eastern
Nov 4
PDX6:00 amPortland
27h 55m
2 stops
BKK12:55 amBangkok Suvarnabhumi
Nov 17
BKK1:55 amBangkok Suvarnabhumi
29h 27m
2 stops
PDX4:22 pmPortland
$915
Find similar

Delta flights from Portland to Bangkok Suvarnabhumi Airport

Our best Delta deals on Portland to Bangkok Suvarnabhumi Airport flight tickets
Delta
Oct 28
PDX5:30 amPortland
29h 15m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Dec 1
BKK12:55 amBangkok Suvarnabhumi
38h 21m
2 stops
PDX12:16 amPortland
$928
Find similar
Delta
Dec 29
PDX5:30 amPortland
28h 15m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Jan 16
BKK9:40 amBangkok Suvarnabhumi
24h 31m
2 stops
PDX7:11 pmPortland
$968
Find similar
Delta
Oct 16
PDX12:40 amPortland
32h 45m
2 stops
BKK11:25 pmBangkok Suvarnabhumi
Oct 22
BKK2:35 amBangkok Suvarnabhumi
35h 22m
2 stops
PDX11:57 pmPortland
$1,562
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 October 9, 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 11/5

7:20 am-1:35 am

2 stops27h 15m

Bangkok Suvarnabhumi

Tue 11/11

2:35 am-8:50 pm

2 stops33h 15m

$847

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/4

5:55 pm-1:35 am

2 stops40h 40m

Bangkok Suvarnabhumi

Mon 11/17

2:35 am-9:40 am

2 stops46h 05m

$852

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/28

8:45 pm-4:30 pm

2 stops29h 45m

Bangkok Suvarnabhumi

Tue 12/2

1:45 pm-10:27 pm

2 stops23h 42m

$853

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 10/26

6:00 am-11:25 am

3 stops39h 25m

Bangkok Suvarnabhumi

Fri 10/31

4:55 pm-6:36 pm

3 stops39h 41m

$860

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 10/26

6:00 am-11:25 am

3 stops39h 25m

Bangkok Suvarnabhumi

Thu 11/6

4:55 pm-2:46 pm

2 stops36h 51m

$864

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/4

7:30 am-11:25 am

2 stops36h 55m

Bangkok Suvarnabhumi

Tue 11/18

4:55 pm-2:46 pm

3 stops36h 51m

$869

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 11/28

3:57 pm-12:35 pm

2 stops29h 38m

Bangkok Suvarnabhumi

Fri 12/5

1:45 pm-7:02 pm

2 stops20h 17m

$897

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/28

5:30 am-12:45 am

2 stops29h 15m

Bangkok Suvarnabhumi

Mon 12/1

12:55 am-12:16 am

2 stops38h 21m

$928

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 12/30

7:00 am-12:55 am

2 stops26h 55m

Bangkok Suvarnabhumi

Mon 1/19

11:15 pm-1:14 pm

2 stops28h 59m

$934

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 12/29

5:30 am-12:45 am

2 stops28h 15m

Bangkok Suvarnabhumi

Fri 1/16

9:40 am-7:11 pm

2 stops24h 31m

$968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $1,096 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 $934 on momondo.

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

As of October 2025, prices for Portland to Bangkok Suvarnabhumi Airport flights are approximately 29% 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. 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
7,971 reviews
Search Delta flights
China EasternPriceFrom $750Free CancellationRating
7.2
168 reviews
Search China Eastern flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,577 reviews
Search Japan Airlines flights
ANAPriceFrom $793Free CancellationRating
8.4
985 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,148 reviews
Search Korean Air flights
United AirlinesPriceFrom $817Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
Singapore AirlinesPriceFrom $820Free CancellationRating
8.1
1,377 reviews
Search Singapore Airlines flights
STARLUX AirlinesPriceFrom $831Free CancellationRating
8.9
216 reviews
Search STARLUX Airlines flights
China AirlinesPriceFrom $837Free CancellationRating
8.3
768 reviews
Search China Airlines flights
Qatar AirwaysPriceFrom $864Free CancellationRating
7.4
3,644 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
Chonburi
Ayutthaya
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.

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