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Cheap flights from Thailand to Portland 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 Thailand to Portland departing on 5/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Thailand to Portland

Recent round-trip flight deals from Thailand to Portland

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:35 am - 4:22 pm
BKK
-
PDX
28h 47m
2 stops
Multiple Airlines Logo
7:15 am - 11:30 pm
PDX
-
BKK
26h 15m
2 stops
$875Multiple Airlines
Tue, May 5 - Sat, Aug 15
Multiple Airlines Logo
1:35 am - 1:47 pm
BKK
-
PDX
26h 12m
2 stops
Multiple Airlines Logo
7:00 am - 11:30 pm
PDX
-
BKK
26h 30m
2 stops
$878Multiple Airlines
Tue, May 5 - Sat, Aug 15
Multiple Airlines Logo
4:45 pm - 9:30 am
BKK
-
PDX
30h 45m
2 stops
Multiple Airlines Logo
5:46 pm - 11:10 am
PDX
-
BKK
27h 24m
2 stops
$983Multiple Airlines
Mon, May 11 - Tue, Jun 2
Multiple Airlines Logo
3:20 pm - 9:30 am
BKK
-
PDX
32h 10m
2 stops
Multiple Airlines Logo
7:00 am - 11:30 pm
PDX
-
BKK
26h 30m
2 stops
$1,015Multiple Airlines
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
4:45 pm - 9:30 am
BKK
-
PDX
30h 45m
2 stops
Multiple Airlines Logo
5:46 pm - 1:05 pm
PDX
-
BKK
29h 19m
2 stops
$1,019Multiple Airlines
Mon, May 11 - Tue, Jun 2
Multiple Airlines Logo
4:45 pm - 9:47 am
BKK
-
PDX
31h 02m
2 stops
Multiple Airlines Logo
2:51 pm - 10:25 am
PDX
-
BKK
29h 34m
2 stops
$1,021Multiple Airlines
Thu, May 14 - Thu, May 21
United Airlines Logo
3:45 pm - 12:59 am
BKK
-
PDX
23h 14m
2 stops
United Airlines Logo
11:09 am - 9:35 am
PDX
-
BKK
32h 26m
3 stops
$1,043United Airlines
Sat, May 16 - Tue, Sep 8
Multiple Airlines Logo
8:30 am - 8:00 pm
BKK
-
PDX
25h 30m
2 stops
Multiple Airlines Logo
12:13 pm - 11:10 am
PDX
-
BKK
32h 57m
2 stops
$1,111Multiple Airlines
Mon, May 11 - Tue, Jun 2
Multiple Airlines Logo
4:45 pm - 1:50 pm
BKK
-
PDX
35h 05m
2 stops
Multiple Airlines Logo
5:50 pm - 11:20 am
PDX
-
BKK
27h 30m
2 stops
$1,116Multiple Airlines
Tue, May 12 - Wed, Jun 3
Multiple Airlines Logo
4:45 pm - 8:02 am
BKK
-
PDX
29h 17m
2 stops
Multiple Airlines Logo
5:50 pm - 11:20 am
PDX
-
BKK
27h 30m
2 stops
$1,117Multiple Airlines
Tue, May 12 - Wed, Jun 3

United Airlines flights from Thailand to Portland

Our best United Airlines deals on Thailand to Portland flight tickets
United Airlines
May 16
BKK3:45 pmBangkok Suvarnabhumi
23h 14m
2 stops
PDX12:59 amPortland
Sep 8
PDX11:09 amPortland
32h 26m
3 stops
BKK9:35 amBangkok Suvarnabhumi
$1,043
United Airlines
May 6
BKK3:45 pmBangkok Suvarnabhumi
34h 50m
3 stops
PDX12:35 pmPortland
Aug 15
PDX6:54 amPortland
36h 41m
2 stops
BKK9:35 amBangkok Suvarnabhumi
$1,384
United Airlines
May 6
BKK3:45 pmBangkok Suvarnabhumi
34h 50m
3 stops
PDX12:35 pmPortland
Aug 15
PDX7:13 pmPortland
38h 42m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
$1,394

Korean Air flights from Thailand to Portland

Our best Korean Air deals on Thailand to Portland flight tickets
Korean Air
May 11
BKK11:30 pmBangkok Suvarnabhumi
29h 18m
2 stops
PDX2:48 pmPortland
May 18
PDX9:20 amPortland
22h 25m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
$1,142
Korean Air
Apr 15
BKK9:50 amBangkok Suvarnabhumi
21h 20m
2 stops
PDX5:10 pmPortland
Jun 20
PDX9:19 amPortland
22h 26m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
$1,605
Korean Air
Apr 12
BKK11:30 pmBangkok Suvarnabhumi
29h 23m
2 stops
PDX2:53 pmPortland
Jun 20
PDX9:19 amPortland
22h 26m
2 stops
BKK9:45 pmBangkok Suvarnabhumi
$2,138

momondo Fare Finder

 
Customize your flight search to find flights from Thailand to Portland 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 30, 2026.
Use the filters below to find and compare flights from Thailand to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/5

1:35 am-4:22 pm

2 stops28h 47m

Portland

Sat 8/15

7:15 am-11:30 pm

2 stops26h 15m

$875
Quickest round-trip

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/5

1:35 am-1:47 pm

2 stops26h 12m

Portland

Sat 8/15

7:00 am-11:30 pm

2 stops26h 30m

$878

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 5/11

4:45 pm-9:30 am

2 stops30h 45m

Portland

Tue 6/2

5:46 pm-11:10 am

2 stops27h 24m

$983

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 5/10

3:20 pm-9:30 am

2 stops32h 10m

Portland

Sun 5/17

7:00 am-11:30 pm

2 stops26h 30m

$1,015

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 5/11

4:45 pm-9:30 am

2 stops30h 45m

Portland

Tue 6/2

5:46 pm-1:05 pm

2 stops29h 19m

$1,019

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 5/14

4:45 pm-9:47 am

2 stops31h 02m

Portland

Thu 5/21

2:51 pm-10:25 am

2 stops29h 34m

$1,021

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 5/16

3:45 pm-12:59 am

2 stops23h 14m

Portland

Tue 9/8

11:09 am-9:35 am

3 stops32h 26m

$1,043

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 5/11

8:30 am-8:00 pm

2 stops25h 30m

Portland

Tue 6/2

12:13 pm-11:10 am

2 stops32h 57m

$1,111

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/12

4:45 pm-1:50 pm

2 stops35h 05m

Portland

Wed 6/3

5:50 pm-11:20 am

2 stops27h 30m

$1,116

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/12

4:45 pm-8:02 am

2 stops29h 17m

Portland

Wed 6/3

5:50 pm-11:20 am

2 stops27h 30m

$1,117

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 Portland from

How to get the cheapest flight ticket from Thailand to Portland

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 cheapest month to fly to Portland?

The cheapest month to fly to Portland from Thailand is in August. Flight prices, which tend to average around $783, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until October to fly from Thailand, when ticket prices are also cheap, with an average price of $873.

Cheap Thailand to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Portland

Fastest flight time

27h 43m

Direct flights

None
The fastest flight from Thailand to Portland takes 27h 43m
There are no direct flights from Thailand to Portland. There are no popular flight routes from Thailand to Portland.
Search flight deals

  • When did momondo last update prices for flights from Thailand to Portland Airport?

    Prices for flights from Thailand to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Thailand to Portland Airport?

  • How old do you have to be to fly from Thailand to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Thailand to Portland

Compare and see reviews for airlines that fly from Thailand to Portland with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $779Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Depoe Bay
Beaverton
Hillsboro
Tigard
Longview
Hood River
Troutdale
Newberg
McMinnville
Pacific City
The Dalles
Manzanita

Why use momondo?

Why should I use momondo to find a flight deal from Thailand to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Thailand to Portland for you.

Can I find flights from Thailand to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Thailand with this policy.

How can momondo help me find flights from Thailand to Portland?

Once all potential Thailand to Portland 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 Thailand to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Thailand to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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