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Cheap flights from Portland to Bangkok from $468

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 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Singapore Airlines Logo
5:35 pm - 11:00 am
PDX
-
BKK
27h 25m
2 stops
Singapore Airlines Logo
6:30 pm - 12:22 pm
BKK
-
PDX
31h 52m
2 stops
$914Singapore Airlines
Tue, Sep 22 - Wed, Oct 7
Singapore Airlines Logo
5:35 pm - 11:00 am
PDX
-
BKK
27h 25m
2 stops
Singapore Airlines Logo
3:30 pm - 9:25 am
BKK
-
PDX
31h 55m
2 stops
$947Singapore Airlines
Tue, Sep 22 - Sun, Sep 27
Singapore Airlines Logo
5:35 pm - 11:00 am
PDX
-
BKK
27h 25m
2 stops
Singapore Airlines Logo
12:15 pm - 9:25 am
BKK
-
PDX
35h 10m
2 stops
$948Singapore Airlines
Tue, Sep 22 - Tue, Oct 6
Singapore Airlines Logo
5:35 pm - 11:00 am
PDX
-
BKK
27h 25m
2 stops
Singapore Airlines Logo
8:15 pm - 12:22 pm
BKK
-
PDX
30h 07m
2 stops
$959Singapore Airlines
Thu, Sep 24 - Fri, Oct 9
Singapore Airlines Logo
5:35 pm - 11:00 am
PDX
-
BKK
27h 25m
2 stops
Singapore Airlines Logo
12:15 pm - 9:25 am
BKK
-
PDX
35h 10m
2 stops
$973Singapore Airlines
Thu, Sep 17 - Tue, Oct 6
Multiple Airlines Logo
5:35 pm - 11:00 am
PDX
-
BKK
27h 25m
2 stops
Multiple Airlines Logo
9:15 pm - 12:22 pm
BKK
-
PDX
29h 07m
2 stops
$994Multiple Airlines
Wed, Sep 9 - Wed, Oct 14
Multiple Airlines Logo
10:45 am - 6:20 am
PDX
-
BKK
29h 35m
2 stops
Multiple Airlines Logo
2:30 am - 7:50 pm
BKK
-
PDX
31h 20m
2 stops
$1,014Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Qatar Airways Logo
11:45 am - 12:55 pm
PDX
-
BKK
35h 10m
2 stops
Qatar Airways Logo
3:00 am - 4:37 pm
BKK
-
PDX
27h 37m
2 stops
$1,025Qatar Airways
Wed, Sep 23 - Wed, Oct 7
Emirates Logo
1:03 pm - 8:45 pm
PDX
-
DMK
41h 42m
2 stops
Emirates Logo
12:10 pm - 6:15 pm
DMK
-
PDX
44h 05m
2 stops
$1,742Emirates
Tue, Sep 29 - Mon, Oct 19
Emirates Logo
1:03 pm - 8:45 pm
PDX
-
DMK
41h 42m
2 stops
Emirates Logo
11:50 pm - 6:15 pm
DMK
-
PDX
32h 25m
2 stops
$1,791Emirates
Thu, Sep 24 - Fri, Oct 9

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Singapore Airlines flights from Portland to Bangkok

Our best Singapore Airlines deals on Portland to Bangkok flight tickets
Singapore Airlines
Sep 29
PDX5:05 amPortland
24h 55m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Oct 19
BKK9:15 pmBangkok Suvarnabhumi
30h 12m
2 stops
PDX1:27 pmPortland
$880
Singapore Airlines
Sep 29
PDX5:05 amPortland
24h 55m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Oct 20
BKK12:15 pmBangkok Suvarnabhumi
36h 35m
2 stops
PDX10:50 amPortland
$914
Singapore Airlines
Sep 29
PDX5:35 pmPortland
27h 25m
2 stops
BKK11:00 amBangkok Suvarnabhumi
Nov 11
BKK9:10 pmBangkok Suvarnabhumi
30h 38m
2 stops
PDX12:48 pmPortland
$939

Qatar Airways flights from Portland to Bangkok

Our best Qatar Airways deals on Portland to Bangkok flight tickets
Qatar Airways
May 6
PDX2:45 pmPortland
26h 05m
2 stops
BKK6:50 amBangkok Suvarnabhumi
May 17
BKK2:30 amBangkok Suvarnabhumi
32h 58m
2 stops
PDX9:28 pmPortland
$1,015
Qatar Airways
Sep 23
PDX11:45 amPortland
35h 10m
2 stops
BKK12:55 pmBangkok Suvarnabhumi
Oct 7
BKK3:00 amBangkok Suvarnabhumi
27h 37m
2 stops
PDX4:37 pmPortland
$1,025
Qatar Airways
May 6
PDX8:45 amPortland
39h 25m
2 stops
BKK2:10 pmBangkok Suvarnabhumi
May 17
BKK1:00 amBangkok Suvarnabhumi
34h 28m
2 stops
PDX9:28 pmPortland
$1,039

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 May 5, 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

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Wed 10/7

6:30 pm-12:22 pm

2 stops31h 52m

$914

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Sun 9/27

3:30 pm-9:25 am

2 stops31h 55m

$947

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Tue 10/6

12:15 pm-9:25 am

2 stops35h 10m

$948

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 9/24

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Fri 10/9

8:15 pm-12:22 pm

2 stops30h 07m

$959

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 9/17

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Tue 10/6

12:15 pm-9:25 am

2 stops35h 10m

$973
Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/9

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Wed 10/14

9:15 pm-12:22 pm

2 stops29h 07m

$994

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/2

10:45 am-6:20 am

2 stops29h 35m

Bangkok Suvarnabhumi

Tue 9/8

2:30 am-7:50 pm

2 stops31h 20m

$1,014

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/23

11:45 am-12:55 pm

2 stops35h 10m

Bangkok Suvarnabhumi

Wed 10/7

3:00 am-4:37 pm

2 stops27h 37m

$1,025

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Tue 9/29

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Mon 10/19

12:10 pm-6:15 pm

2 stops44h 05m

$1,742

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Thu 9/24

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Fri 10/9

11:50 pm-6:15 pm

2 stops32h 25m

$1,791

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 $1,059 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 $961 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

23h 35m

Direct flights

None
The fastest flight from Portland to Bangkok takes 23h 35m
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. 23h 35m 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
7.9
8,459 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,313 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $754Free CancellationRating
8.9
308 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,508 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,805 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
819 reviews
Search China Airlines flights
ANAPriceFrom $785Free CancellationRating
8.3
1,205 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,216 reviews
Search Korean Air flights
United AirlinesPriceFrom $821Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,442 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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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