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Cheap flights from Portland to Bangkok from $568

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 8/25. 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
7:00 am - 11:30 pm
PDX
-
BKK
26h 30m
2 stops
Multiple Airlines Logo
1:35 am - 1:50 pm
BKK
-
PDX
26h 15m
2 stops
$1,091Multiple Airlines
Tue, May 12 - Wed, May 13
Multiple Airlines Logo
7:19 am - 11:30 pm
PDX
-
BKK
26h 11m
2 stops
Multiple Airlines Logo
1:35 am - 1:45 pm
BKK
-
PDX
26h 10m
2 stops
$1,104Multiple Airlines
Tue, Aug 4 - Wed, Aug 19
Multiple Airlines Logo
7:00 am - 11:30 pm
PDX
-
BKK
26h 30m
2 stops
Multiple Airlines Logo
12:25 pm - 8:50 pm
BKK
-
PDX
22h 25m
2 stops
$1,115Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
7:19 am - 1:20 am
PDX
-
BKK
28h 01m
2 stops
Multiple Airlines Logo
1:35 am - 4:50 pm
BKK
-
PDX
29h 15m
2 stops
$1,120Multiple Airlines
Wed, Aug 5 - Tue, Aug 18
Multiple Airlines Logo
7:19 am - 11:30 pm
PDX
-
BKK
26h 11m
2 stops
Multiple Airlines Logo
1:35 am - 1:25 pm
BKK
-
PDX
25h 50m
2 stops
$1,121Multiple Airlines
Tue, Aug 4 - Wed, Aug 19
Multiple Airlines Logo
6:50 am - 12:40 am
PDX
-
BKK
27h 50m
2 stops
Multiple Airlines Logo
4:50 pm - 4:23 pm
BKK
-
PDX
37h 33m
2 stops
$1,124Multiple Airlines
Tue, May 12 - Tue, May 19
Qatar Airways Logo
6:19 am - 7:25 pm
PDX
-
BKK
47h 06m
2 stops
Qatar Airways Logo
2:30 am - 11:30 pm
BKK
-
PDX
35h 00m
2 stops
$1,130Qatar Airways
Mon, Jul 13 - Wed, Jul 22
Emirates Logo
1:03 pm - 8:45 pm
PDX
-
DMK
41h 42m
2 stops
Emirates Logo
10:55 pm - 6:31 pm
DMK
-
PDX
33h 36m
2 stops
$1,741Emirates
Wed, Sep 30 - Fri, Oct 30
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 - 11:10 am
PDX
-
DMK
32h 07m
2 stops
Emirates Logo
10:55 pm - 6:31 pm
DMK
-
PDX
33h 36m
2 stops
$1,788Emirates
Tue, Sep 29 - Fri, Oct 30

Qatar Airways flights from Portland to Bangkok

Our best Qatar Airways deals on Portland to Bangkok flight tickets
Qatar Airways
Jul 13
PDX6:19 amPortland
47h 06m
2 stops
BKK7:25 pmBangkok Suvarnabhumi
Jul 22
BKK2:30 amBangkok Suvarnabhumi
35h 00m
2 stops
PDX11:30 pmPortland
$1,130
Qatar Airways
Jul 20
PDX6:19 amPortland
47h 06m
2 stops
BKK7:25 pmBangkok Suvarnabhumi
Jul 28
BKK3:00 amBangkok Suvarnabhumi
27h 55m
2 stops
PDX4:55 pmPortland
$1,200
Qatar Airways
Jul 19
PDX5:00 amPortland
48h 25m
2 stops
BKK7:25 pmBangkok Suvarnabhumi
Jul 26
BKK2:30 amBangkok Suvarnabhumi
35h 00m
2 stops
PDX11:30 pmPortland
$1,201

Air Canada flights from Portland to Bangkok

Our best Air Canada deals on Portland to Bangkok flight tickets
Air Canada
May 14
PDX10:10 amPortland
21h 35m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
May 29
BKK7:05 amBangkok Suvarnabhumi
26h 05m
1 stop
PDX7:10 pmPortland
$1,259
Air Canada
May 14
PDX10:10 amPortland
21h 35m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
May 28
BKK1:20 amBangkok Suvarnabhumi
27h 25m
2 stops
PDX2:45 pmPortland
$1,266
Air Canada
May 12
PDX10:10 amPortland
21h 35m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
Jun 8
BKK7:05 amBangkok Suvarnabhumi
21h 40m
1 stop
PDX2:45 pmPortland
$1,292

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 10, 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 5/12

7:00 am-11:30 pm

2 stops26h 30m

Bangkok Suvarnabhumi

Wed 5/13

1:35 am-1:50 pm

2 stops26h 15m

$1,091

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 8/4

7:19 am-11:30 pm

2 stops26h 11m

Bangkok Suvarnabhumi

Wed 8/19

1:35 am-1:45 pm

2 stops26h 10m

$1,104
Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 5/12

7:00 am-11:30 pm

2 stops26h 30m

Bangkok Suvarnabhumi

Tue 5/19

12:25 pm-8:50 pm

2 stops22h 25m

$1,115

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 8/5

7:19 am-1:20 am

2 stops28h 01m

Bangkok Suvarnabhumi

Tue 8/18

1:35 am-4:50 pm

2 stops29h 15m

$1,120

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 8/4

7:19 am-11:30 pm

2 stops26h 11m

Bangkok Suvarnabhumi

Wed 8/19

1:35 am-1:25 pm

2 stops25h 50m

$1,121

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 5/12

6:50 am-12:40 am

2 stops27h 50m

Bangkok Suvarnabhumi

Tue 5/19

4:50 pm-4:23 pm

2 stops37h 33m

$1,124

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 7/13

6:19 am-7:25 pm

2 stops47h 06m

Bangkok Suvarnabhumi

Wed 7/22

2:30 am-11:30 pm

2 stops35h 00m

$1,130

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/30

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Fri 10/30

10:55 pm-6:31 pm

2 stops33h 36m

$1,741

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

Tue 9/29

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Fri 10/30

10:55 pm-6:31 pm

2 stops33h 36m

$1,788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,046 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 $908 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

22h 15m

Direct flights

None
The fastest flight from Portland to Bangkok takes 22h 15m
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. 22h 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?

  • 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
8,454 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,324 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $754Free CancellationRating
8.9
313 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,510 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,814 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
824 reviews
Search China Airlines flights
ANAPriceFrom $785Free CancellationRating
8.3
1,207 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
United AirlinesPriceFrom $821Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,445 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