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Cheap flights from Portland to Bangkok from $438

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 8/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:01 am - 10:25 pm
PDX
-
BKK
24h 24m
2 stops
Multiple Airlines Logo
5:05 am - 1:50 pm
BKK
-
PDX
23h 45m
2 stops
$940Multiple Airlines
jue., nov. 5 - lun., nov. 16
Multiple Airlines Logo
7:40 pm - 12:10 pm
PDX
-
BKK
26h 30m
2 stops
Multiple Airlines Logo
7:05 am - 2:46 pm
BKK
-
PDX
21h 41m
1 stop
$949Multiple Airlines
mié., sep. 2 - mié., sep. 23
STARLUX Airlines Logo
8:18 pm - 12:00 pm
PDX
-
BKK
25h 42m
2 stops
STARLUX Airlines Logo
5:50 pm - 9:31 am
BKK
-
PDX
29h 41m
2 stops
$963STARLUX Airlines
vie., oct. 2 - dom., oct. 18
Multiple Airlines Logo
10:45 am - 12:35 pm
PDX
-
BKK
34h 50m
2 stops
Multiple Airlines Logo
1:45 pm - 11:54 pm
BKK
-
PDX
25h 09m
2 stops
$976Multiple Airlines
mar., nov. 10 - mar., feb. 23
Multiple Airlines Logo
7:40 pm - 12:05 pm
PDX
-
BKK
25h 25m
2 stops
Multiple Airlines Logo
9:40 am - 6:31 pm
BKK
-
PDX
23h 51m
2 stops
$983Multiple Airlines
mié., nov. 25 - vie., dic. 11
Multiple Airlines Logo
7:37 pm - 12:05 pm
PDX
-
BKK
26h 28m
2 stops
Multiple Airlines Logo
8:25 am - 12:35 am
BKK
-
PDX
31h 10m
2 stops
$986Multiple Airlines
jue., oct. 29 - vie., nov. 13
Multiple Airlines Logo
1:59 pm - 12:10 pm
PDX
-
BKK
32h 11m
2 stops
Multiple Airlines Logo
8:15 pm - 9:31 am
BKK
-
PDX
27h 16m
2 stops
$988Multiple Airlines
jue., oct. 1 - sáb., oct. 10
Multiple Airlines Logo
5:45 pm - 8:55 am
PDX
-
BKK
25h 10m
2 stops
Multiple Airlines Logo
8:25 am - 6:31 pm
BKK
-
PDX
25h 06m
1 stop
$990Multiple Airlines
mar., oct. 20 - lun., nov. 2
Multiple Airlines Logo
5:40 pm - 12:05 pm
PDX
-
BKK
27h 25m
2 stops
Multiple Airlines Logo
8:25 am - 2:41 pm
BKK
-
PDX
21h 16m
1 stop
$991Multiple Airlines
jue., nov. 19 - mar., dic. 8
Multiple Airlines Logo
8:40 pm - 12:05 pm
PDX
-
BKK
24h 25m
2 stops
Multiple Airlines Logo
9:40 am - 9:26 am
BKK
-
PDX
38h 46m
2 stops
$996Multiple Airlines
jue., nov. 26 - jue., dic. 10

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Qatar Airways flights from Portland to Bangkok

Our best Qatar Airways deals on Portland to Bangkok flight tickets
Qatar Airways
Sep 6
PDX7:09 amPortland
33h 11m
2 stops
BKK6:20 amBangkok Suvarnabhumi
Sep 13
BKK2:30 amBangkok Suvarnabhumi
28h 20m
2 stops
PDX4:50 pmPortland
$1,039
Qatar Airways
Nov 12
PDX8:05 amPortland
31h 35m
2 stops
BKK6:40 amBangkok Suvarnabhumi
Feb 22
BKK3:00 amBangkok Suvarnabhumi
33h 13m
2 stops
PDX9:13 pmPortland
$1,049
Qatar Airways
Nov 11
PDX9:30 pmPortland
42h 10m
2 stops
BKK6:40 amBangkok Suvarnabhumi
Feb 22
BKK2:00 amBangkok Suvarnabhumi
37h 10m
2 stops
PDX12:10 amPortland
$1,055

Air Canada flights from Portland to Bangkok

Our best Air Canada deals on Portland to Bangkok flight tickets
Air Canada
Sep 2
PDX3:30 pmPortland
23h 35m
1 stop
BKK5:05 amBangkok Suvarnabhumi
Sep 23
BKK7:05 amBangkok Suvarnabhumi
26h 06m
1 stop
PDX7:11 pmPortland
$1,105
Air Canada
Jul 21
PDX10:10 amPortland
23h 25m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Jul 27
BKK2:35 amBangkok Suvarnabhumi
26h 16m
2 stops
PDX2:51 pmPortland
$1,198
Air Canada
Jul 20
PDX7:45 pmPortland
19h 20m
1 stop
BKK5:05 amBangkok Suvarnabhumi
Jul 28
BKK2:35 amBangkok Suvarnabhumi
26h 16m
2 stops
PDX2:51 pmPortland
$1,255

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bangkok 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 julio 7, 2026.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 11/5

7:01 am-10:25 pm

2 stops24h 24m

Bangkok Suvarnabhumi

lun. 11/16

5:05 am-1:50 pm

2 stops23h 45m

$940

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mié. 9/2

7:40 pm-12:10 pm

2 stops26h 30m

Bangkok Suvarnabhumi

mié. 9/23

7:05 am-2:46 pm

1 stop21h 41m

$949

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 10/2

8:18 pm-12:00 pm

2 stops25h 42m

Bangkok Suvarnabhumi

dom. 10/18

5:50 pm-9:31 am

2 stops29h 41m

$963

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 11/10

10:45 am-12:35 pm

2 stops34h 50m

Bangkok Suvarnabhumi

mar. 2/23

1:45 pm-11:54 pm

2 stops25h 09m

$976

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mié. 11/25

7:40 pm-12:05 pm

2 stops25h 25m

Bangkok Suvarnabhumi

vie. 12/11

9:40 am-6:31 pm

2 stops23h 51m

$983

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 10/29

7:37 pm-12:05 pm

2 stops26h 28m

Bangkok Suvarnabhumi

vie. 11/13

8:25 am-12:35 am

2 stops31h 10m

$986

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 10/1

1:59 pm-12:10 pm

2 stops32h 11m

Bangkok Suvarnabhumi

sáb. 10/10

8:15 pm-9:31 am

2 stops27h 16m

$988

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 10/20

5:45 pm-8:55 am

2 stops25h 10m

Bangkok Suvarnabhumi

lun. 11/2

8:25 am-6:31 pm

1 stop25h 06m

$990

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 11/19

5:40 pm-12:05 pm

2 stops27h 25m

Bangkok Suvarnabhumi

mar. 12/8

8:25 am-2:41 pm

1 stop21h 16m

$991

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 11/26

8:40 pm-12:05 pm

2 stops24h 25m

Bangkok Suvarnabhumi

jue. 12/10

9:40 am-9:26 am

2 stops38h 46m

$996

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

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?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of January, then book flights to Bangkok from Portland during April instead. Flights to Bangkok in April, while not as cheap as those in January, still average around $139.

How far in advance should I book a flight from Portland 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 $1,115 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 $954 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

Fastest flight time

24h 05m

Direct flights

None
The fastest flight from Portland to Bangkok takes 24h 05m
There are no direct flights from Portland to Bangkok. There are no popular flight routes from Portland to Bangkok.
Search flight deals

Frequently asked questions about flying from Portland to Bangkok

  • How far is Portland to Bangkok by plane?

    The distance between Portland and Bangkok is about 7529.0 mi. 24h 05m 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?

  • 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
DeltaPriceFrom $139Free CancellationRating
7.8
8,451 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,404 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $754Free CancellationRating
8.8
356 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,564 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $773Free CancellationRating
8.3
833 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,866 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $822Free CancellationRating
7.4
9,947 reviews
Search United Airlines flights
Korean AirPriceFrom $845Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
ANAPriceFrom $890Free CancellationRating
8.3
1,266 reviews
Search ANA flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,489 reviews
Search EVA Air 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.

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jue. 8/6
jue. 8/13
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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport