Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bangkok from $423

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 8/26. 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.
STARLUX Airlines Logo
5:00 pm - 12:35 pm
PDX
-
BKK
28h 35m
2 stops
STARLUX Airlines Logo
5:40 pm - 9:25 am
BKK
-
PDX
30h 45m
2 stops
$953STARLUX Airlines
Tue, Nov 17 - Tue, Dec 1
Multiple Airlines Logo
6:00 pm - 12:35 pm
PDX
-
BKK
27h 35m
2 stops
Multiple Airlines Logo
1:45 pm - 9:31 am
BKK
-
PDX
34h 46m
2 stops
$975Multiple Airlines
Sun, Nov 1 - Wed, Nov 4
Multiple Airlines Logo
6:00 pm - 12:00 pm
PDX
-
BKK
28h 00m
2 stops
Multiple Airlines Logo
1:10 pm - 9:31 am
BKK
-
PDX
34h 21m
2 stops
$976Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
2:34 pm - 12:00 pm
PDX
-
BKK
31h 26m
2 stops
Multiple Airlines Logo
5:40 pm - 9:31 am
BKK
-
PDX
30h 51m
2 stops
$977Multiple Airlines
Tue, Oct 20 - Tue, Nov 17
Multiple Airlines Logo
2:34 pm - 12:35 pm
PDX
-
BKK
32h 01m
2 stops
Multiple Airlines Logo
5:40 pm - 1:50 pm
BKK
-
PDX
35h 10m
2 stops
$982Multiple Airlines
Wed, Oct 28 - Fri, Nov 13
STARLUX Airlines Logo
9:32 pm - 12:00 pm
PDX
-
BKK
24h 28m
2 stops
STARLUX Airlines Logo
5:50 pm - 9:31 am
BKK
-
PDX
29h 41m
2 stops
$984STARLUX Airlines
Fri, Sep 25 - Fri, Oct 9
Multiple Airlines Logo
5:00 pm - 4:30 pm
PDX
-
BKK
32h 30m
2 stops
Multiple Airlines Logo
5:40 pm - 9:25 am
BKK
-
PDX
30h 45m
2 stops
$999Multiple Airlines
Tue, Nov 3 - Tue, Nov 24
Multiple Airlines Logo
6:00 pm - 12:35 pm
PDX
-
BKK
28h 35m
2 stops
Multiple Airlines Logo
5:40 pm - 9:31 am
BKK
-
PDX
30h 51m
2 stops
$1,002Multiple Airlines
Wed, Oct 28 - Wed, Nov 18
Multiple Airlines Logo
6:00 pm - 12:35 pm
PDX
-
BKK
27h 35m
2 stops
Multiple Airlines Logo
1:45 pm - 9:31 am
BKK
-
PDX
34h 46m
2 stops
$1,004Multiple Airlines
Sun, Nov 8 - Sun, Nov 15
Multiple Airlines Logo
8:18 pm - 12:00 pm
PDX
-
BKK
25h 42m
2 stops
Multiple Airlines Logo
1:10 pm - 7:50 pm
BKK
-
PDX
20h 40m
2 stops
$1,007Multiple Airlines
Tue, Sep 22 - Sun, Sep 27

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

Korean Air flights from Portland to Bangkok

Our best Korean Air deals on Portland to Bangkok flight tickets
Korean Air
Jul 20
PDX6:30 amPortland
27h 05m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Aug 30
BKK2:35 amBangkok Suvarnabhumi
27h 58m
2 stops
PDX4:33 pmPortland
$1,051
Korean Air
Oct 26
PDX9:31 amPortland
21h 59m
2 stops
BKK9:30 pmBangkok Suvarnabhumi
Nov 15
BKK12:55 amBangkok Suvarnabhumi
30h 39m
2 stops
PDX4:34 pmPortland
$1,082
Korean Air
Jul 20
PDX6:30 amPortland
27h 05m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Aug 30
BKK2:35 amBangkok Suvarnabhumi
27h 58m
2 stops
PDX4:33 pmPortland
$1,089

United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets
United Airlines
Jul 20
PDX8:35 amPortland
35h 00m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Aug 31
BKK9:35 amBangkok Suvarnabhumi
25h 24m
2 stops
PDX8:59 pmPortland
$1,144
United Airlines
Jul 20
PDX1:14 pmPortland
30h 21m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Aug 31
BKK3:45 pmBangkok Suvarnabhumi
40h 34m
3 stops
PDX6:19 pmPortland
$1,146
United Airlines
Jul 20
PDX7:00 amPortland
31h 35m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Aug 31
BKK3:45 pmBangkok Suvarnabhumi
40h 34m
3 stops
PDX6:19 pmPortland
$1,147

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 July 17, 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 11/17

5:00 pm-12:35 pm

2 stops28h 35m

Bangkok Suvarnabhumi

Tue 12/1

5:40 pm-9:25 am

2 stops30h 45m

$953

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 11/1

6:00 pm-12:35 pm

2 stops27h 35m

Bangkok Suvarnabhumi

Wed 11/4

1:45 pm-9:31 am

2 stops34h 46m

$975

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 10/5

6:00 pm-12:00 pm

2 stops28h 00m

Bangkok Suvarnabhumi

Mon 10/12

1:10 pm-9:31 am

2 stops34h 21m

$976

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/20

2:34 pm-12:00 pm

2 stops31h 26m

Bangkok Suvarnabhumi

Tue 11/17

5:40 pm-9:31 am

2 stops30h 51m

$977

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 10/28

2:34 pm-12:35 pm

2 stops32h 01m

Bangkok Suvarnabhumi

Fri 11/13

5:40 pm-1:50 pm

2 stops35h 10m

$982

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 9/25

9:32 pm-12:00 pm

2 stops24h 28m

Bangkok Suvarnabhumi

Fri 10/9

5:50 pm-9:31 am

2 stops29h 41m

$984

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/3

5:00 pm-4:30 pm

2 stops32h 30m

Bangkok Suvarnabhumi

Tue 11/24

5:40 pm-9:25 am

2 stops30h 45m

$999

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 10/28

6:00 pm-12:35 pm

2 stops28h 35m

Bangkok Suvarnabhumi

Wed 11/18

5:40 pm-9:31 am

2 stops30h 51m

$1,002

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 11/8

6:00 pm-12:35 pm

2 stops27h 35m

Bangkok Suvarnabhumi

Sun 11/15

1:45 pm-9:31 am

2 stops34h 46m

$1,004
Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

8:18 pm-12:00 pm

2 stops25h 42m

Bangkok Suvarnabhumi

Sun 9/27

1:10 pm-7:50 pm

2 stops20h 40m

$1,007

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 week ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,117 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 $960 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 $99Free CancellationRating
7.8
8,476 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,415 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $754Free CancellationRating
8.8
360 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,573 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $773Free CancellationRating
8.3
834 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,877 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $822Free CancellationRating
7.4
10,006 reviews
Search United Airlines flights
Korean AirPriceFrom $845Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
ANAPriceFrom $890Free CancellationRating
8.3
1,272 reviews
Search ANA flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,500 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
Sun 8/16
Sun 8/23
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