Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bangkok from $433

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 10/1. 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
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.
Air Canada Logo
10:10 am - 11:35 pm
PDX
-
BKK
23h 25m
2 stops
Air Canada Logo
7:05 am - 7:11 pm
BKK
-
PDX
26h 06m
1 stop
$874Air Canada
Mon, Sep 7 - Mon, Sep 21
Air Canada Logo
7:45 pm - 5:05 am
PDX
-
BKK
19h 20m
1 stop
Air Canada Logo
7:05 am - 7:11 pm
BKK
-
PDX
26h 06m
1 stop
$895Air Canada
Wed, Sep 2 - Wed, Sep 30
Korean Air Logo
6:08 am - 11:35 pm
PDX
-
BKK
27h 27m
2 stops
Korean Air Logo
2:35 am - 5:10 pm
BKK
-
PDX
28h 35m
2 stops
$906Korean Air
Tue, Sep 15 - Mon, Sep 21
Multiple Airlines Logo
7:45 pm - 5:05 am
PDX
-
BKK
19h 20m
1 stop
Multiple Airlines Logo
7:05 am - 9:31 am
BKK
-
PDX
16h 26m
1 stop
$941Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Japan Airlines Logo
6:35 am - 11:00 pm
PDX
-
BKK
26h 25m
2 stops
Japan Airlines Logo
9:40 pm - 11:59 pm
BKK
-
PDX
40h 19m
2 stops
$949Japan Airlines
Mon, Aug 31 - Mon, Sep 7
Multiple Airlines Logo
7:03 am - 9:55 pm
PDX
-
BKK
24h 52m
2 stops
Multiple Airlines Logo
5:05 am - 1:50 pm
BKK
-
PDX
23h 45m
2 stops
$953Multiple Airlines
Thu, Sep 17 - Sat, Dec 12
Japan Airlines Logo
7:03 am - 11:00 pm
PDX
-
BKK
25h 57m
2 stops
Japan Airlines Logo
7:55 am - 4:50 pm
BKK
-
PDX
22h 55m
2 stops
$974Japan Airlines
Thu, Aug 27 - Thu, Sep 10
STARLUX Airlines Logo
2:53 pm - 12:00 pm
PDX
-
BKK
31h 07m
2 stops
STARLUX Airlines Logo
5:50 pm - 9:25 am
BKK
-
PDX
29h 35m
2 stops
$978STARLUX Airlines
Wed, Sep 2 - Fri, Sep 18
STARLUX Airlines Logo
2:53 pm - 4:40 pm
PDX
-
BKK
35h 47m
2 stops
STARLUX Airlines Logo
5:50 pm - 9:25 am
BKK
-
PDX
29h 35m
2 stops
$978STARLUX Airlines
Sat, Sep 5 - Fri, Sep 18
Korean Air Logo
7:00 am - 11:20 pm
PDX
-
BKK
25h 20m
2 stops
Korean Air Logo
11:15 pm - 1:35 pm
BKK
-
PDX
29h 20m
2 stops
$996Korean Air
Thu, Nov 19 - Tue, Dec 1

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Portland to Bangkok

Our best Delta deals on Portland to Bangkok flight tickets
Delta
Nov 2
PDX9:31 amPortland
22h 49m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
Nov 19
BKK9:40 amBangkok Suvarnabhumi
27h 16m
2 stops
PDX9:56 pmPortland
$991
Delta
Aug 15
PDX9:29 amPortland
24h 06m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Sep 16
BKK9:50 amBangkok Suvarnabhumi
21h 20m
2 stops
PDX5:10 pmPortland
$1,147
Delta
Aug 15
PDX9:29 amPortland
24h 06m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Sep 18
BKK9:50 amBangkok Suvarnabhumi
21h 19m
2 stops
PDX5:09 pmPortland
$1,203

Korean Air flights from Portland to Bangkok

Our best Korean Air deals on Portland to Bangkok flight tickets
Korean Air
Sep 15
PDX6:08 amPortland
27h 27m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Sep 21
BKK2:35 amBangkok Suvarnabhumi
28h 35m
2 stops
PDX5:10 pmPortland
$906
Korean Air
Nov 5
PDX5:15 pmPortland
37h 15m
2 stops
BKK9:30 pmBangkok Suvarnabhumi
Nov 17
BKK11:15 pmBangkok Suvarnabhumi
29h 20m
2 stops
PDX1:35 pmPortland
$997

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 August 2, 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 9/7

10:10 am-11:35 pm

2 stops23h 25m

Bangkok Suvarnabhumi

Mon 9/21

7:05 am-7:11 pm

1 stop26h 06m

$874

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/2

7:45 pm-5:05 am

1 stop19h 20m

Bangkok Suvarnabhumi

Wed 9/30

7:05 am-7:11 pm

1 stop26h 06m

$895

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/15

6:08 am-11:35 pm

2 stops27h 27m

Bangkok Suvarnabhumi

Mon 9/21

2:35 am-5:10 pm

2 stops28h 35m

$906
Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/2

7:45 pm-5:05 am

1 stop19h 20m

Bangkok Suvarnabhumi

Wed 9/30

7:05 am-9:31 am

1 stop16h 26m

$941

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 8/31

6:35 am-11:00 pm

2 stops26h 25m

Bangkok Suvarnabhumi

Mon 9/7

9:40 pm-11:59 pm

2 stops40h 19m

$949

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 9/17

7:03 am-9:55 pm

2 stops24h 52m

Bangkok Suvarnabhumi

Sat 12/12

5:05 am-1:50 pm

2 stops23h 45m

$953

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 8/27

7:03 am-11:00 pm

2 stops25h 57m

Bangkok Suvarnabhumi

Thu 9/10

7:55 am-4:50 pm

2 stops22h 55m

$974

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/2

2:53 pm-12:00 pm

2 stops31h 07m

Bangkok Suvarnabhumi

Fri 9/18

5:50 pm-9:25 am

2 stops29h 35m

$978

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 9/5

2:53 pm-4:40 pm

2 stops35h 47m

Bangkok Suvarnabhumi

Fri 9/18

5:50 pm-9:25 am

2 stops29h 35m

$978

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 11/19

7:00 am-11:20 pm

2 stops25h 20m

Bangkok Suvarnabhumi

Tue 12/1

11:15 pm-1:35 pm

2 stops29h 20m

$996

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $852 to $1,153.
The lowest price recently found on this route was $874.

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of April, then book flights to Bangkok from Portland during January instead. Flights to Bangkok in January, while not as cheap as those in April, still average around $966.

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 $1,129 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 $977 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 35m

Direct flights

None
The fastest flight from Portland to Bangkok takes 22h 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. 22h 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 $99Free CancellationRating
7.8
8,493 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,436 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $753Free CancellationRating
8.8
363 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $773Free CancellationRating
8.3
838 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,889 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $822Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
Korean AirPriceFrom $845Free CancellationRating
8.4
1,223 reviews
Search Korean Air flights
ANAPriceFrom $861Free CancellationRating
8.3
1,289 reviews
Search ANA flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,511 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.

An easier way to manage your Bangkok trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/1
Tue 9/8
By creating a price alert you accept our terms of use and privacy policy.

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