Cheap flights from Portland to Japan from $347
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 Japan departing on 11/4. 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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How to get the cheapest flight ticket from Portland to Japan
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 Japan?
The month of August is, on average, the cheapest month to fly to Japan from Portland, with most prices found around $790. If you aren’t able to travel to Japan during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $795.
What is the cheapest day to depart on your flight to Japan?
On average, the least expensive day to fly to Japan from Portland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,084. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Portland to Japan on a Saturday will generally be more expensive and average around $1,146. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Japan?
Flying to Japan from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,054 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Japan, so prices are often more expensive at around $1,108 per ticket.
How far in advance should I book a flight to Japan?
You are more likely to see cheaper flights to Japan from Portland when booking week ahead of your departure date. In general, you can expect to find flights to Japan for around $1,016 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Portland for as low as $811 on momondo.
What is the cheapest airline that flies from Portland to Japan?
Air Canada, Japan Airlines, and Korean Air are the most popular carriers operating from Portland to Japan
What airlines fly to Japan?
United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Japan from Portland according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 9 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.
Cheap Portland to Japan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Japan
When did momondo last update prices for flights from Portland Airport to Japan?
Prices for flights from Portland Airport to Japan refresh daily.
How many operators does momondo search for flights from Portland Airport to Japan?
As of June 2025, there are 9 operators available to choose from for flights from Portland Airport to Japan.
How old do you have to be to fly from Portland Airport to Japan?
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 Japan.
What documentation or ID do you need to fly to Japan?
The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Portland to Japan
Compare and see reviews for airlines that fly from Portland to Japan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $564 | Free Cancellation | Rating 8.3 1,504 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 8.4 889 reviews | |||
| PriceFrom $568 | Free Cancellation | Rating 7.8 2,529 reviews | |||
| PriceFrom $574 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $577 | Free Cancellation | Rating 7.4 8,852 reviews | |||
| PriceFrom $588 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $590 | Free Cancellation | Rating 8.4 1,101 reviews | |||
| PriceFrom $600 | Free Cancellation | Rating 8.0 7,973 reviews | |||
| PriceFrom $695 | Free Cancellation | Rating 7.1 9,654 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Japan?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Japan. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Portland to Japan with flexible booking policies on momondo?
Flights from Portland to Japan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Portland to Japan?
momondo provides multiple filters to help you find the best flight to Japan from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portland to Japan right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Japan from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.