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Cheap flights from Portland to Bangkok from $344

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 4/22. 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.
Multiple Airlines Logo
2:47 pm - 12:35 pm
PDX
-
BKK
31h 48m
2 stops
Multiple Airlines Logo
1:10 pm - 9:38 am
BKK
-
PDX
34h 28m
2 stops
$838Multiple Airlines
Tue, Mar 17 - Thu, May 7
STARLUX Airlines Logo
9:30 pm - 4:40 pm
PDX
-
BKK
29h 10m
2 stops
STARLUX Airlines Logo
5:50 pm - 10:25 pm
BKK
-
PDX
42h 35m
2 stops
$845STARLUX Airlines
Tue, Apr 21 - Mon, Jul 20
Multiple Airlines Logo
5:49 pm - 12:00 pm
PDX
-
BKK
28h 11m
2 stops
Multiple Airlines Logo
5:50 pm - 9:30 am
BKK
-
PDX
29h 40m
2 stops
$848Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
2:50 pm - 4:40 pm
PDX
-
BKK
35h 50m
2 stops
Multiple Airlines Logo
1:10 pm - 9:47 am
BKK
-
PDX
34h 37m
2 stops
$853Multiple Airlines
Fri, May 1 - Fri, May 15
Multiple Airlines Logo
2:51 pm - 9:45 am
PDX
-
BKK
28h 54m
2 stops
Multiple Airlines Logo
5:30 pm - 11:04 pm
BKK
-
PDX
19h 34m
2 stops
$854Multiple Airlines
Wed, May 13 - Mon, Jun 8
STARLUX Airlines Logo
7:27 pm - 4:40 pm
PDX
-
BKK
31h 13m
2 stops
STARLUX Airlines Logo
5:50 pm - 9:38 pm
BKK
-
PDX
41h 48m
2 stops
$856STARLUX Airlines
Mon, Mar 30 - Mon, Apr 20
Multiple Airlines Logo
2:42 pm - 12:00 pm
PDX
-
BKK
31h 18m
2 stops
Multiple Airlines Logo
1:10 pm - 9:38 am
BKK
-
PDX
34h 28m
2 stops
$857Multiple Airlines
Sun, Mar 29 - Thu, Apr 30
STARLUX Airlines Logo
9:30 pm - 4:40 pm
PDX
-
BKK
29h 10m
2 stops
STARLUX Airlines Logo
5:50 pm - 9:38 am
BKK
-
PDX
29h 48m
2 stops
$861STARLUX Airlines
Mon, Mar 30 - Thu, Apr 30
United Airlines Logo
5:20 am - 9:35 am
PDX
-
BKK
38h 15m
3 stops
United Airlines Logo
9:35 am - 12:59 am
BKK
-
PDX
29h 24m
2 stops
$866United Airlines
Wed, May 6 - Wed, May 20
Multiple Airlines Logo
2:42 pm - 4:40 pm
PDX
-
BKK
35h 58m
2 stops
Multiple Airlines Logo
1:10 pm - 9:38 am
BKK
-
PDX
34h 28m
2 stops
$867Multiple Airlines
Fri, Apr 17 - Sun, Apr 26

China Airlines flights from Portland to Bangkok

Our best China Airlines deals on Portland to Bangkok flight tickets
China Airlines
Mar 17
PDX2:47 pmPortland
35h 58m
2 stops
BKK4:45 pmBangkok Suvarnabhumi
May 7
BKK10:50 amBangkok Suvarnabhumi
36h 48m
2 stops
PDX9:38 amPortland
$869
China Airlines
Apr 28
PDX1:52 pmPortland
32h 18m
2 stops
BKK12:10 pmBangkok Suvarnabhumi
May 30
BKK2:40 amBangkok Suvarnabhumi
45h 07m
2 stops
PDX9:47 amPortland
$870
China Airlines
Apr 30
PDX1:52 pmPortland
32h 18m
2 stops
BKK12:10 pmBangkok Suvarnabhumi
May 30
BKK2:40 amBangkok Suvarnabhumi
45h 07m
2 stops
PDX9:47 amPortland
$877

EVA Air flights from Portland to Bangkok

Our best EVA Air deals on Portland to Bangkok flight tickets
EVA Air
Apr 1
PDX7:05 amPortland
28h 15m
2 stops
BKK1:20 amBangkok Suvarnabhumi
Apr 19
BKK4:45 pmBangkok Suvarnabhumi
35h 05m
2 stops
PDX1:50 pmPortland
$875
EVA Air
Mar 31
PDX7:05 amPortland
26h 25m
2 stops
BKK11:30 pmBangkok Suvarnabhumi
Apr 29
BKK1:35 amBangkok Suvarnabhumi
25h 51m
2 stops
PDX1:26 pmPortland
$893
EVA Air
Mar 16
PDX7:16 amPortland
26h 24m
2 stops
BKK11:40 pmBangkok Suvarnabhumi
Mar 25
BKK2:15 amBangkok Suvarnabhumi
25h 35m
2 stops
PDX1:50 pmPortland
$1,169

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 March 5, 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

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 3/17

2:47 pm-12:35 pm

2 stops31h 48m

Bangkok Suvarnabhumi

Thu 5/7

1:10 pm-9:38 am

2 stops34h 28m

$838

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/21

9:30 pm-4:40 pm

2 stops29h 10m

Bangkok Suvarnabhumi

Mon 7/20

5:50 pm-10:25 pm

2 stops42h 35m

$845

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/13

5:49 pm-12:00 pm

2 stops28h 11m

Bangkok Suvarnabhumi

Tue 4/28

5:50 pm-9:30 am

2 stops29h 40m

$848

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 5/1

2:50 pm-4:40 pm

2 stops35h 50m

Bangkok Suvarnabhumi

Fri 5/15

1:10 pm-9:47 am

2 stops34h 37m

$853

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/13

2:51 pm-9:45 am

2 stops28h 54m

Bangkok Suvarnabhumi

Mon 6/8

5:30 pm-11:04 pm

2 stops19h 34m

$854

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/30

7:27 pm-4:40 pm

2 stops31h 13m

Bangkok Suvarnabhumi

Mon 4/20

5:50 pm-9:38 pm

2 stops41h 48m

$856

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 3/29

2:42 pm-12:00 pm

2 stops31h 18m

Bangkok Suvarnabhumi

Thu 4/30

1:10 pm-9:38 am

2 stops34h 28m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/30

9:30 pm-4:40 pm

2 stops29h 10m

Bangkok Suvarnabhumi

Thu 4/30

5:50 pm-9:38 am

2 stops29h 48m

$861

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:20 am-9:35 am

3 stops38h 15m

Bangkok Suvarnabhumi

Wed 5/20

9:35 am-12:59 am

2 stops29h 24m

$866

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 4/17

2:42 pm-4:40 pm

2 stops35h 58m

Bangkok Suvarnabhumi

Sun 4/26

1:10 pm-9:38 am

2 stops34h 28m

$867

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 September, then book flights to Bangkok from Portland during August instead. Flights to Bangkok in August, while not as cheap as those in September, still average around $945.

How far in advance should I book a flight 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 $1,070 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 $932 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

25h 20m

Direct flights

None
The fastest flight from Portland to Bangkok takes 25h 20m
There are no direct flights from Portland to Bangkok. There are no popular flight routes from Portland to Bangkok.
Search flight deals

  • How far is Portland to Bangkok by plane?

    The distance between Portland and Bangkok is about 7529.0 mi. 25h 20m 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
8,246 reviews
Search Delta flights
Cathay PacificPriceFrom $669Free CancellationRating
7.6
1,190 reviews
Search Cathay Pacific flights
STARLUX AirlinesPriceFrom $757Free CancellationRating
8.9
279 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $759Free CancellationRating
8.2
1,467 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $776Free CancellationRating
8.3
1,721 reviews
Search Japan Airlines flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
809 reviews
Search China Airlines flights
ANAPriceFrom $785Free CancellationRating
8.4
1,110 reviews
Search ANA flights
Korean AirPriceFrom $795Free CancellationRating
8.4
1,195 reviews
Search Korean Air flights
United AirlinesPriceFrom $821Free CancellationRating
7.4
9,388 reviews
Search United Airlines flights
EVA AirPriceFrom $896Free CancellationRating
8.4
1,364 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