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1 adult, Economy, 0 bags

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Everything you should know

Top routes
PDX - BKK
Cheapest • 13% average savings
PDX - DMK
Most popular
Insights
Insights
When to book
26 weeks
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 19% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 18% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Vancouver Intl (YVR)
Cheapest • Avg $1,536 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 33h 49m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Portland to Bangkok (PDX-BKK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Bangkok

Multiple Airlines Logo
PDX  Portland Airport-TH1 Glasgow Thorntonhall
7529 mimulti-stop
Multiple Airlines Logo
TH1  Glasgow Thorntonhall-PDX Portland Airport
7529 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for Portland to Bangkok flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Portland to Bangkok?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Portland to Bangkok. It’s 11% cheaper than the average day, while Saturday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from Portland to Bangkok?

•May is the cheapest month to fly from Portland to Bangkok at $892 round-trip.
•December ($1,772) and June ($1,421) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 98% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Portland to Bangkok the cheapest?

Flights from Portland to Bangkok are cheapest 26 weeks before departure. Booking in this window typically costs about 19% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Portland to Bangkok flights

Low season

May
Beat the crowds with an average 39% drop in travelers.
The most popular month to fly with an average 73% increase in travelers.

When to book flights from Portland to Bangkok

Are your dates flexible? Find out the best times to travel from Portland to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Bangkok flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Portland to Bangkok?

    Four cabin classes are available on flights from Portland to Bangkok:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Portland to Bangkok?

    There are currently no nonstop flights available from Portland to Bangkok. Flights with 1 layover take between 18h 21m and 33h 49m in total, depending on the connection.

  • Do I need a passport to fly from Portland to Bangkok?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Portland to Bangkok flight?

    Round-trip flights from Portland to Bangkok range from $888 to $1,349, with an average of $1,084 over the past 12 months. Anything below $888 counts as a good deal.

  • How expensive are last-minute Portland to Bangkok flights?

    Last-minute fares on this route (booked within two weeks of departure) run 14% above the $1,084 route average. Book 26 weeks before departure for the lowest fares.

  • What car rental options are available in Bangkok?

    Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Bangkok Suvarnabhumi Airport (BKK) — daily rates from around $13:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

    Near Bangkok Don Mueang Intl Airport (DMK) — daily rates from around $7:

    • Drive Car Rental
    • Alamo
    • Thai Rent
    • Enterprise Rent-A-Car
    • Chic Car Rent

  • Which airports can I use when flying from Portland to Bangkok?

    Flights from Portland to Bangkok usually depart from Portland (PDX) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

  • Which airports do connecting flights from Portland to Bangkok pass through?

    Connecting flights from Portland to Bangkok most commonly pass through:

    • Vancouver Intl (YVR) - 99% of one-stop connections
    • Amsterdam Schiphol (AMS) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Portland to Bangkok?

    Yes. Flexible dates can save you up to 18% on flights from Portland to Bangkok. Sunday is the cheapest departure day at $966 round-trip on average, while Saturday is the most expensive at $1,173, a difference of $207.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Portland to Bangkok?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 18h 21m, compared with 33h 49m via Amsterdam Schiphol (AMS).

  • What is the time difference between Portland and Bangkok?

    Bangkok is 14 hours ahead of Portland (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Bangkok?

    Some of the most popular sights in Bangkok are Pratunam, Siam Square and Thailand Cultural Center. These are among the most viewed places in Bangkok on KAYAK.

  • What are the public transportation options from BKK to downtown Bangkok?

    BKK is connected to downtown Bangkok by several transportation options. The Airport Rail Link leaves from the airport basement and connects to the BTS Skytrain for access to different parts of the city. Taxis and ride-hailing services are also available at the airport for direct trips downtown.

  • Can I bring liquids in my carry-on baggage on a United Airlines flight to Bangkok?

    Yes, liquids are allowed in carry-on baggage on United Airlines flights to BKK if they meet Transportation Security Administration (TSA) rules. Containers must be 3.4 ounces (100 ml) or less and placed in a clear, resealable plastic bag with a maximum capacity of one quart (one liter).

  • Which airlines have lounges at Portland International Airport?

    Portland International Airport (PDX) has lounges operated by Alaska Airlines, Delta Air Lines and United Airlines. Access varies by membership or ticket class. Alaska Lounge members and guests may enter with a same-day boarding pass for a flight on Alaska or Hawaiian Airlines, a fellow oneworld member airline or an additional global airline partner. Delta Sky Club is open to qualifying travelers, including SkyTeam Elite Plus customers, excluding Delta Medallion Members, traveling in any cabin on a same-day international SkyTeam flight. Access includes up to one guest. United Club admits valid United Club members with a same-day boarding pass for travel on a United, Star Alliance or contracted-partner operated flight.

Your guide to booking Portland to Bangkok flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $966, about $207 less than Saturday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 19% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Bangkok trip for May. Fares historically average $892 round-trip in that month - typically $880 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Bangkok Suvarnabhumi Airport

    • Regency Bangkok Suvarnabhumi Airpor
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
    • Suvarnabhumi Ville Airport Hotel

    Near Bangkok Don Mueang Intl Airport

    • Amari Don Muang Airport Bangkok
    • B-Your Home Hotel Donmueang Airport Bangkok
    • Don Muang Hotel
  • If you're flying Air Canada, check its carry-on rules before you pack. Many fares include one standard carry-on bag, as long as it's light enough for you to place in the overhead bin without assistance and no larger than 9 x 15.5 x 21.5 inches. You can also bring one personal item if it fits under the seat in front of you.
  • If you're driving to PDX and need long-term parking, use the Economy Parking Lot. It's an affordable option with ample secure parking spaces and the shuttle gets you to the terminal complex.

More options for your flight from Portland to Bangkok

Complete your trip to Bangkok with a hotel stay or car rental

Car rentals in Bangkok
Hotels in Bangkok
Vacations in Bangkok