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Cheap flights from Portland to Bangkok from $514

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 10/2. 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

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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.
Singapore Airlines Logo
9:30 pm - 8:00 pm
PDX
-
BKK
31h 30m
2 stops
Singapore Airlines Logo
8:00 pm - 12:22 pm
BKK
-
PDX
31h 22m
2 stops
$899Singapore Airlines
Mon, Nov 9 - Tue, Jan 26
Multiple Airlines Logo
5:38 pm - 11:00 am
PDX
-
BKK
27h 22m
2 stops
Multiple Airlines Logo
8:15 pm - 1:27 pm
BKK
-
PDX
31h 12m
2 stops
$913Multiple Airlines
Tue, Sep 22 - Wed, Oct 21
Multiple Airlines Logo
9:30 pm - 8:00 pm
PDX
-
BKK
31h 30m
2 stops
Multiple Airlines Logo
9:10 pm - 1:50 pm
BKK
-
PDX
31h 40m
2 stops
$919Multiple Airlines
Mon, Nov 2 - Wed, Jan 20
Multiple Airlines Logo
9:30 pm - 8:00 pm
PDX
-
BKK
31h 30m
2 stops
Multiple Airlines Logo
9:10 pm - 4:27 pm
BKK
-
PDX
34h 17m
3 stops
$925Multiple Airlines
Mon, Nov 2 - Wed, Jan 20
Singapore Airlines Logo
5:38 pm - 11:00 am
PDX
-
BKK
27h 22m
2 stops
Singapore Airlines Logo
9:15 pm - 5:00 pm
BKK
-
PDX
33h 45m
2 stops
$933Singapore Airlines
Tue, Sep 22 - Wed, Oct 21
Multiple Airlines Logo
5:38 pm - 11:00 am
PDX
-
BKK
27h 22m
2 stops
Multiple Airlines Logo
3:30 pm - 9:25 am
BKK
-
PDX
31h 55m
2 stops
$946Multiple Airlines
Tue, Sep 22 - Sun, Sep 27
Singapore Airlines Logo
5:38 pm - 11:00 am
PDX
-
BKK
27h 22m
2 stops
Singapore Airlines Logo
3:30 pm - 9:25 am
BKK
-
PDX
31h 55m
2 stops
$968Singapore Airlines
Tue, Sep 22 - Sun, Sep 27
Emirates Logo
11:15 am - 8:45 pm
PDX
-
DMK
43h 30m
2 stops
Emirates Logo
11:50 pm - 6:15 pm
DMK
-
PDX
32h 25m
2 stops
$1,787Emirates
Wed, Sep 16 - Fri, Oct 2
Emirates Logo
11:15 am - 11:10 am
PDX
-
DMK
33h 55m
2 stops
Emirates Logo
12:10 pm - 6:15 pm
DMK
-
PDX
44h 05m
2 stops
$1,853Emirates
Wed, Sep 16 - Mon, Sep 28
Emirates Logo
1:03 pm - 8:45 pm
PDX
-
DMK
41h 42m
2 stops
Emirates Logo
10:55 pm - 11:11 pm
DMK
-
PDX
39h 16m
2 stops
$1,893Emirates
Wed, Oct 14 - Wed, Nov 4

United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets
United Airlines
May 25
PDX7:00 amPortland
36h 35m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Jun 10
BKK9:35 amBangkok Suvarnabhumi
25h 19m
2 stops
PDX8:54 pmPortland
$1,645
United Airlines
May 25
PDX7:00 amPortland
36h 35m
2 stops
BKK9:35 amBangkok Suvarnabhumi
Jun 10
BKK3:45 pmBangkok Suvarnabhumi
34h 24m
3 stops
PDX12:09 pmPortland
$1,665
United Airlines
May 24
PDX1:17 pmPortland
54h 18m
2 stops
BKK9:35 amBangkok Suvarnabhumi
Jun 10
BKK3:45 pmBangkok Suvarnabhumi
34h 24m
3 stops
PDX12:09 pmPortland
$1,672

Air Canada flights from Portland to Bangkok

Our best Air Canada deals on Portland to Bangkok flight tickets
Air Canada
Jun 1
PDX10:10 amPortland
23h 10m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
Jun 8
BKK2:35 amBangkok Suvarnabhumi
26h 10m
2 stops
PDX2:45 pmPortland
$1,292
Air Canada
Jun 1
PDX10:10 amPortland
23h 10m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
Jun 12
BKK1:20 amBangkok Suvarnabhumi
27h 25m
2 stops
PDX2:45 pmPortland
$1,336
Air Canada
May 25
PDX7:45 pmPortland
36h 10m
2 stops
BKK9:55 pmBangkok Suvarnabhumi
Jun 10
BKK7:05 amBangkok Suvarnabhumi
21h 40m
1 stop
PDX2:45 pmPortland
$1,343

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 24, 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

Mon 11/9

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Tue 1/26

8:00 pm-12:22 pm

2 stops31h 22m

$899
Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:38 pm-11:00 am

2 stops27h 22m

Bangkok Suvarnabhumi

Wed 10/21

8:15 pm-1:27 pm

2 stops31h 12m

$913

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/2

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Wed 1/20

9:10 pm-1:50 pm

2 stops31h 40m

$919

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/2

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Wed 1/20

9:10 pm-4:27 pm

3 stops34h 17m

$925

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:38 pm-11:00 am

2 stops27h 22m

Bangkok Suvarnabhumi

Wed 10/21

9:15 pm-5:00 pm

2 stops33h 45m

$933

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:38 pm-11:00 am

2 stops27h 22m

Bangkok Suvarnabhumi

Sun 9/27

3:30 pm-9:25 am

2 stops31h 55m

$946

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:38 pm-11:00 am

2 stops27h 22m

Bangkok Suvarnabhumi

Sun 9/27

3:30 pm-9:25 am

2 stops31h 55m

$968

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/16

11:15 am-8:45 pm

2 stops43h 30m

Bangkok Don Mueang Intl

Fri 10/2

11:50 pm-6:15 pm

2 stops32h 25m

$1,787

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/16

11:15 am-11:10 am

2 stops33h 55m

Bangkok Don Mueang Intl

Mon 9/28

12:10 pm-6:15 pm

2 stops44h 05m

$1,853

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 10/14

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Wed 11/4

10:55 pm-11:11 pm

2 stops39h 16m

$1,893

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 week ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,059 when searching week 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

Fastest flight time

23h 54m

Direct flights

None
The fastest flight from Portland to Bangkok takes 23h 54m
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 54m 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
8,442 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,342 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $754Free CancellationRating
8.9
320 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,522 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,826 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
826 reviews
Search China Airlines flights
ANAPriceFrom $785Free CancellationRating
8.3
1,213 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
United AirlinesPriceFrom $821Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,458 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