Title: Cheap Flights from Portland (PDX) to Chiang Rai (CEI) - Expedia.ca ![Lampang, Thailand. Wat Chiang Rai Temple on a sunny day](https://images.trvl-media.com/place/6094729/6abc9fe6-542e-461c-8557-12deda61cded.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6094729/6abc9fe6-542e-461c-8557-12deda61cded.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Portland (PDX) to Chiang Rai (CEI) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Portland International Airport (PDX) to Chiang Rai Intl. Airport (CEI) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:cei,departure:22/10/2025TANYT&leg2=from:cei,to:pdx,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from Portland Intl. Airport (PDX) to Chiang Rai Intl. Airport (CEI)? > Round-trip journeys between Portland Airport and Mae Fah Luang - Chiang Rai Intl. Airport start from . This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from PDX to CEI? > Each air carrier has different terms and conditions. If you decide to cancel your vacation, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from PDX to CEI that have flexible change policies? > Flights from PDX to CEI with flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between the two flights, without any extra fees to worry about. ### How far is the flight from PDX to Chiang Rai Intl. Airport (CEI)? > With around 11,600 kilometres separating PDX Airport and CEI, your flight will be a long one. Pack wisely to make your journey comfortable. Little things like an eye mask and a quality travel pillow should be in your hand luggage. ### Which airlines fly direct from Portland Intl. Airport (PDX) to Chiang Rai Intl. Airport (CEI)? > If you want to fly straight from PDX to CEI, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route. ### Are Portland Airport to Chiang Rai Intl. Airport (CEI) flight tickets cheaper when they're purchased at the last minute? > Flight tickets from Portland Airport to Mae Fah Luang - Chiang Rai Intl. Airport are available up to a year prior to departure on Expedia. And although you may occasionally nab great last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Portland Intl. | | --- | --- | | Destination airport | Chiang Rai Intl. | | Distance | 11493 km | ## Book with confidence ### Portland to Chiang Rai Flights **The easy way to book your flights from Portland to Chiang Rai**  With Expedia, it’s simple to find and book flights to Chiang Rai from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Chiang Rai Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Chiang Rai today, tomorrow, or this week.   **Save dollars with cheap flights from Portland Intl., PDX to Chiang Rai Intl., CEI**  Sort your search results by price to find great deals on your flight from Portland to Chiang Rai—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chiang Rai from Portland currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Chiang Rai   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Chiang Rai from Portland**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Chiang Rai with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Uralsk to Chiang Rai](https://www.expedia.ca/lp/flights/10197/6094729/uralsk-to-chiang-rai) - [Flights from Wharton to Chiang Rai](https://www.expedia.ca/lp/flights/10400/6094729/wharton-to-chiang-rai) - [Flights from Dodoma to Chiang Rai](https://www.expedia.ca/lp/flights/1045/6094729/dodoma-to-chiang-rai) - [Flights from Madison to Chiang Rai](https://www.expedia.ca/lp/flights/10510/6094729/madison-to-chiang-rai) - [Flights from Eindhoven to Chiang Rai](https://www.expedia.ca/lp/flights/1115/6094729/eindhoven-to-chiang-rai) - [Flights from Lombok to Chiang Rai](https://www.expedia.ca/lp/flights/11999/6094729/lombok-to-chiang-rai) - [Flights from Futuna Island to Chiang Rai](https://www.expedia.ca/lp/flights/1259/6094729/futuna-island-to-chiang-rai) - [Flights from Great Harbour Cay to Chiang Rai](https://www.expedia.ca/lp/flights/1321/6094729/great-harbour-cay-to-chiang-rai) - 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