Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bangkok from $419

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 9/14. 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 - 5:05 amPDX  Portland-BKK Bangkok Suvarnabhumi
28h 55m1 stop Vancouver Intl
Air Canada Logo
7:05 am - 2:51 pmBKK  Bangkok Suvarnabhumi-PDX Portland
21h 46m1 stop Vancouver Intl
$833Air Canada
Mon, Sep 7 - Wed, Oct 21
Air Canada Logo
3:30 pm - 5:05 amPDX  Portland-BKK Bangkok Suvarnabhumi
23h 35m1 stop Vancouver Intl
Air Canada Logo
7:05 am - 9:31 amBKK  Bangkok Suvarnabhumi-PDX Portland
16h 26m1 stop Vancouver Intl
$833Air Canada
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
7:45 pm - 9:35 amPDX  Portland-BKK Bangkok Suvarnabhumi
23h 50m2 stops Vancouver Intl Hong Kong Intl
Multiple Airlines Logo
7:05 am - 9:31 amBKK  Bangkok Suvarnabhumi-PDX Portland
16h 26m1 stop Vancouver Intl
$860Multiple Airlines
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
7:45 pm - 9:35 amPDX  Portland-BKK Bangkok Suvarnabhumi
23h 50m2 stops Vancouver Intl Hong Kong Intl
Multiple Airlines Logo
11:30 pm - 2:46 pmBKK  Bangkok Suvarnabhumi-PDX Portland
29h 16m2 stops Incheon Intl Vancouver Intl
$868Multiple Airlines
Wed, Sep 2 - Mon, Sep 28
United Airlines Logo
3:43 pm - 10:15 pmPDX  Portland-BKK Bangkok Suvarnabhumi
40h 32m3 stops San Francisco Denver Intl Tokyo Narita
United Airlines Logo
9:35 am - 9:00 pmBKK  Bangkok Suvarnabhumi-PDX Portland
25h 25m2 stops Tokyo Haneda San Francisco
$963United Airlines
Wed, Sep 2 - Mon, Sep 28
ANA Logo
7:30 am - 12:20 amPDX  Portland-BKK Bangkok Suvarnabhumi
25h 50m2 stops San Francisco Tokyo Narita
ANA Logo
9:10 am - 6:31 pmBKK  Bangkok Suvarnabhumi-PDX Portland
24h 21m2 stops Tokyo Haneda San Francisco
$963ANA
Wed, Jan 13 - Wed, Jan 27
Japan Airlines Logo
7:00 am - 11:35 pmPDX  Portland-BKK Bangkok Suvarnabhumi
25h 35m2 stops San Francisco Tokyo Narita
Japan Airlines Logo
8:05 am - 1:50 pmBKK  Bangkok Suvarnabhumi-PDX Portland
20h 45m2 stops Tokyo Narita San Francisco
$965Japan Airlines
Tue, Jan 19 - Wed, Jan 27
ANA Logo
9:00 am - 11:55 pmPDX  Portland-BKK Bangkok Suvarnabhumi
24h 55m2 stops San Francisco Tokyo Narita
ANA Logo
7:10 am - 2:37 pmBKK  Bangkok Suvarnabhumi-PDX Portland
21h 27m2 stops Tokyo Narita San Francisco
$965ANA
Thu, Oct 22 - Fri, Oct 30
United Airlines Logo
7:30 am - 5:10 amPDX  Portland-BKK Bangkok Suvarnabhumi
30h 40m2 stops San Francisco Tokyo Haneda
United Airlines Logo
9:10 am - 8:33 pmBKK  Bangkok Suvarnabhumi-PDX Portland
26h 23m2 stops Tokyo Haneda San Francisco
$970United Airlines
Thu, Jan 21 - Tue, Feb 16
Japan Airlines Logo
7:03 am - 3:10 pmPDX  Portland-BKK Bangkok Suvarnabhumi
42h 07m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
7:55 am - 1:37 pmBKK  Bangkok Suvarnabhumi-PDX Portland
19h 42m2 stops Tokyo Narita Seattle/Tacoma Intl
$971Japan Airlines
Tue, Sep 1 - Wed, Sep 9

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

United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets
United Airlines
Sep 2
PDX3:43 pmPortland
40h 32m
3 stops
BKK10:15 pmBangkok Suvarnabhumi
Sep 28
BKK9:35 amBangkok Suvarnabhumi
25h 25m
2 stops
PDX9:00 pmPortland
$963
United Airlines
Oct 29
PDX7:10 amPortland
25h 40m
2 stops
BKK10:50 pmBangkok Suvarnabhumi
Nov 16
BKK9:10 amBangkok Suvarnabhumi
26h 52m
2 stops
PDX9:02 pmPortland
$1,001
United Airlines
Aug 27
PDX1:03 pmPortland
30h 32m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Sep 10
BKK9:35 amBangkok Suvarnabhumi
27h 10m
2 stops
PDX10:45 pmPortland
$1,002

ANA flights from Portland to Bangkok

Our best ANA deals on Portland to Bangkok flight tickets
ANA
Oct 22
PDX9:00 amPortland
24h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
Oct 30
BKK7:10 amBangkok Suvarnabhumi
21h 27m
2 stops
PDX2:37 pmPortland
$965
ANA
Sep 12
PDX9:00 amPortland
23h 15m
2 stops
BKK10:15 pmBangkok Suvarnabhumi
Sep 19
BKK9:35 pmBangkok Suvarnabhumi
34h 50m
2 stops
PDX6:25 pmPortland
$972
ANA
Sep 13
PDX7:00 amPortland
26h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
Sep 20
BKK7:00 amBangkok Suvarnabhumi
25h 25m
2 stops
PDX6:25 pmPortland
$975

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 15, 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 Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

10:10 am-5:05 am

1 stop28h 55m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-2:51 pm

1 stop21h 46m

$833
Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

3:30 pm-5:05 am

1 stop23h 35m

Bangkok Suvarnabhumi

Mon 9/21

7:05 am-9:31 am

1 stop16h 26m

$833

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

7:45 pm-9:35 am

2 stops23h 50m

Bangkok Suvarnabhumi

Mon 9/21

7:05 am-9:31 am

1 stop16h 26m

$860

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 9/2

7:45 pm-9:35 am

2 stops23h 50m

Bangkok Suvarnabhumi

Mon 9/28

11:30 pm-2:46 pm

2 stops29h 16m

$868

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 9/2

3:43 pm-10:15 pm

3 stops40h 32m

Bangkok Suvarnabhumi

Mon 9/28

9:35 am-9:00 pm

2 stops25h 25m

$963

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/13

7:30 am-12:20 am

2 stops25h 50m

Bangkok Suvarnabhumi

Wed 1/27

9:10 am-6:31 pm

2 stops24h 21m

$963

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

7:00 am-11:35 pm

2 stops25h 35m

Bangkok Suvarnabhumi

Wed 1/27

8:05 am-1:50 pm

2 stops20h 45m

$965

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 10/22

9:00 am-11:55 pm

2 stops24h 55m

Bangkok Suvarnabhumi

Fri 10/30

7:10 am-2:37 pm

2 stops21h 27m

$965

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 1/21

7:30 am-5:10 am

2 stops30h 40m

Bangkok Suvarnabhumi

Tue 2/16

9:10 am-8:33 pm

2 stops26h 23m

$970

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 9/1

7:03 am-3:10 pm

2 stops42h 07m

Bangkok Suvarnabhumi

Wed 9/9

7:55 am-1:37 pm

2 stops19h 42m

$971

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 low for flights on this route.

Typical prices usually range from $852 to $1,153.
The lowest price recently found on this route was $833.

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 November instead. Flights to Bangkok in November, while not as cheap as those in April, still average around $974.

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 $1,135 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 $975 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 50m

Direct flights

None
The fastest flight from Portland to Bangkok takes 23h 50m
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 50m 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
7.8
8,505 reviews
Search Delta flights
Cathay PacificPriceFrom $653Free CancellationRating
7.6
1,453 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $753Free CancellationRating
8.8
371 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,585 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $773Free CancellationRating
8.3
841 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,905 reviews
Search Japan Airlines flights
Korean AirPriceFrom $845Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
United AirlinesPriceFrom $852Free CancellationRating
7.4
10,107 reviews
Search United Airlines flights
ANAPriceFrom $890Free CancellationRating
8.3
1,298 reviews
Search ANA flights
EVA AirPriceFrom $896Free CancellationRating
8.5
1,517 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
Mon 9/14
Mon 9/21
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