What is the cheapest airline that flies from Portland to Bangkok?

STARLUX Airlines, Delta, and United Airlines are the most popular carriers operating from Portland to Bangkok

What airlines fly to Bangkok?

Air Canada, STARLUX Airlines and ANA are the top three most popular airlines that fly to Bangkok from Portland according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 13 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Portland Airport to Bangkok are updated daily.

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

As of September 2025, there are 13 operators available to choose from for flights from Portland Airport to Bangkok.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Bangkok.

What documentation or ID do you need to fly to Bangkok?

The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$357 Cheap Flights from Portland to Bangkok in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $881 to $1,020. The lowest price recently found on this route was $841.

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Find the cheapest flights from Portland to Bangkok

Round-trip

One-way

Last minute

Cheap round-trip flights

5:14 am - 11:20 pmPDX-BKK

27h 06m2 stops

9:40 am - 9:59 pmBKK-PDX

27h 19m2 stops

$841Delta

Find Deal

lun., nov. 24 - sáb., dic. 27

8:45 pm - 12:35 pmPDX-BKK

25h 50m2 stops

1:45 pm - 6:49 pmBKK-PDX

20h 04m2 stops

$844STARLUX Airlines

Find Deal

mié., oct. 29 - mié., nov. 5

7:15 am - 9:30 pmPDX-BKK

23h 15m2 stops

11:15 pm - 4:37 pmBKK-PDX

32h 22m2 stops

$846Korean Air

Find Deal

jue., nov. 27 - mar., dic. 23

8:45 pm - 9:50 amPDX-BKK

22h 05m2 stops

2:35 am - 9:47 amBKK-PDX

46h 12m2 stops

$850China Airlines

Find Deal

dom., ene. 18 - mié., feb. 4

10:35 am - 8:30 amPDX-BKK

30h 55m2 stops

9:10 pm - 4:28 pmBKK-PDX

34h 18m3 stops

$851Singapore Airlines

Find Deal

dom., ene. 25 - dom., feb. 8

3:59 pm - 9:50 amPDX-BKK

26h 51m2 stops

2:35 am - 9:47 amBKK-PDX

46h 12m2 stops

$852China Airlines

Find Deal

mar., ene. 6 - mar., ene. 20

5:10 am - 8:00 pmPDX-BKK

23h 50m2 stops

9:10 pm - 4:28 pmBKK-PDX

34h 18m3 stops

$856Singapore Airlines

Find Deal

mar., ene. 6 - mar., ene. 27

5:30 am - 4:35 amPDX-BKK

57h 05m3 stops

9:35 am - 12:42 pmBKK-PDX

41h 07m2 stops

$858United Airlines

Find Deal

sáb., sep. 27 - dom., oct. 5

3:54 pm - 11:25 amPDX-BKK

29h 31m3 stops

4:55 pm - 10:53 amBKK-PDX

32h 58m3 stops

$860United Airlines

Find Deal

mié., oct. 29 - mié., nov. 19

7:10 am - 9:30 pmPDX-BKK

23h 20m2 stops

12:55 am - 1:14 pmBKK-PDX

27h 19m2 stops

$861Korean Air

Find Deal

vie., ene. 23 - jue., feb. 5

Delta flights from Portland to Bangkok

Our best Delta deals on Portland to Bangkok flight tickets

Delta

Nov 24

PDX5:14 amPortland

27h 06m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

Dec 27

BKK9:40 amBangkok Suvarnabhumi

27h 19m

2 stops

PDX9:59 pmPortland

$841

Find similar

Delta

Sep 20

PDX5:50 pmPortland

41h 15m

2 stops

BKK1:05 amBangkok Suvarnabhumi

Sep 27

BKK9:40 pmBangkok Suvarnabhumi

39h 02m

2 stops

PDX10:42 pmPortland

$846

Find similar

Delta

Sep 24

PDX12:45 amPortland

34h 20m

2 stops

BKK1:05 amBangkok Suvarnabhumi

Oct 4

BKK11:30 pmBangkok Suvarnabhumi

31h 40m

2 stops

PDX5:10 pmPortland

$1,752

Find similar

STARLUX Airlines flights from Portland to Bangkok

Our best STARLUX Airlines deals on Portland to Bangkok flight tickets

STARLUX Airlines

Oct 29

PDX8:45 pmPortland

25h 50m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Nov 5

BKK1:45 pmBangkok Suvarnabhumi

20h 04m

2 stops

PDX6:49 pmPortland

$844

Find similar

STARLUX Airlines

Oct 14

PDX8:50 pmPortland

25h 10m

2 stops

BKK12:00 pmBangkok Suvarnabhumi

Oct 21

BKK1:10 pmBangkok Suvarnabhumi

25h 08m

2 stops

PDX12:18 amPortland

$855

Find similar

STARLUX Airlines

Feb 20

PDX5:30 pmPortland

32h 00m

2 stops

BKK4:30 pmBangkok Suvarnabhumi

Mar 6

BKK1:45 pmBangkok Suvarnabhumi

20h 08m

2 stops

PDX6:53 pmPortland

$899

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 11/24

5:14 am-11:20 pm

2 stops27h 06m

Bangkok Suvarnabhumi

sáb. 12/27

9:40 am-9:59 pm

2 stops27h 19m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mié. 10/29

8:45 pm-12:35 pm

2 stops25h 50m

Bangkok Suvarnabhumi

mié. 11/5

1:45 pm-6:49 pm

2 stops20h 04m

$844

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 11/27

7:15 am-9:30 pm

2 stops23h 15m

Bangkok Suvarnabhumi

mar. 12/23

11:15 pm-4:37 pm

2 stops32h 22m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 1/18

8:45 pm-9:50 am

2 stops22h 05m

Bangkok Suvarnabhumi

mié. 2/4

2:35 am-9:47 am

2 stops46h 12m

$850

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 1/25

10:35 am-8:30 am

2 stops30h 55m

Bangkok Suvarnabhumi

dom. 2/8

9:10 pm-4:28 pm

3 stops34h 18m

$851

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 1/6

3:59 pm-9:50 am

2 stops26h 51m

Bangkok Suvarnabhumi

mar. 1/20

2:35 am-9:47 am

2 stops46h 12m

$852

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 1/6

5:10 am-8:00 pm

2 stops23h 50m

Bangkok Suvarnabhumi

mar. 1/27

9:10 pm-4:28 pm

3 stops34h 18m

$856

PortlandBangkok

PDX - BKK

PDXBKK

Portland

sáb. 9/27

5:30 am-4:35 am

3 stops57h 05m

Bangkok Suvarnabhumi

dom. 10/5

9:35 am-12:42 pm

2 stops41h 07m

$858

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mié. 10/29

3:54 pm-11:25 am

3 stops29h 31m

Bangkok Suvarnabhumi

mié. 11/19

4:55 pm-10:53 am

3 stops32h 58m

$860

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 1/23

7:10 am-9:30 pm

2 stops23h 20m

Bangkok Suvarnabhumi

jue. 2/5

12:55 am-1:14 pm

2 stops27h 19m

$861

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Bangkok

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

Prices

Airlines

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

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of August, then book flights to Bangkok from Portland during October instead. Flights to Bangkok in October, while not as cheap as those in August, still average around $959.

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

On average, the least expensive day to fly to Bangkok from Portland is on a Monday. momondo users have found tickets for Monday departures for as low as $1,127. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Portland to Bangkok on a Friday will generally be more expensive and average around $1,440. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Bangkok is in the evening. momondo users have found flights departing from Portland to Bangkok in the evening for as low as $1,137. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $1,989. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Bangkok from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,108 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Portland for as low as $966 on momondo.

Cheap Portland to Bangkok flight deals and tips

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

Direct flights	None

There are no direct flights from Portland to Bangkok. There are no popular flight routes from Portland to Bangkok.

Search flight deals

How far is Portland to Bangkok by plane?
The distance between Portland and Bangkok is about 7529.0 mi. 21h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Bangkok?
Prices for flights from Portland Airport to Bangkok are updated daily.
How many operators does momondo search for flights from Portland Airport to Bangkok?
As of September 2025, there are 13 operators available to choose from for flights from Portland Airport to Bangkok.
How old do you have to be to fly from Portland Airport to Bangkok?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Bangkok

Compare and see reviews for airlines that fly from Portland to Bangkok with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $227	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
China Eastern	PriceFrom $750	Free Cancellation	Rating 7.2 165 reviews	Search China Eastern flights
Japan Airlines	PriceFrom $782	Free Cancellation	Rating 8.3 1,559 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,139 reviews	Search Korean Air flights
ANA	PriceFrom $796	Free Cancellation	Rating 8.4 961 reviews	Search ANA flights
United Airlines	PriceFrom $817	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $820	Free Cancellation	Rating 8.1 1,365 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $832	Free Cancellation	Rating 8.9 211 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $837	Free Cancellation	Rating 8.3 767 reviews	Search China Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,624 reviews	Search Qatar Airways flights

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?

All flight searches from Portland to Bangkok on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Portland to Bangkok flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.