Cheap flights from Portland to the United States from $38
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 the United States departing on 9/27. 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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Frontier flights from Portland to United States
Our best Frontier deals on Portland to United States flight tickets
Spirit Airlines flights from Portland to United States
Our best Spirit Airlines deals on Portland to United States flight tickets
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How to get the cheapest flight ticket from Portland to United States
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 United States?
In general, January is the cheapest month to fly from Portland to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you aren’t able to travel during the month of January, then book flights to United States from Portland during February instead. Flights to United States in February, while not as cheap as those in January, still average around $286.
What is the cheapest day to depart on your flight to United States?
According to our data, Friday is the cheapest day to fly to United States from Portland. The lowest ticket price found for a Friday departure recently was $462. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $631. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.
What is the cheapest time of day to depart on your flight to United States?
The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $260. Try not to purchase tickets in the morning because they tend to be around $532. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Portland to United States flight route?
Fly from Portland to Las Vegas Harry Reid Intl for the best Portland - United States flight prices
How far in advance should I book a flight to United States?
You are more likely to see cheaper flights to United States from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Portland for as low as $343 on momondo.
What cabin class options are available on Portland to United States flights?
There are 4 cabin classes available to choose from on Portland to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Portland to United States?
Frontier and Spirit Airlines are the most popular carriers operating from Portland to United States
What airlines fly to United States?
Alaska Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to United States from Portland according to our data. Alaska Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 10 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portland to United States on average per day?
As of July 2025, there are 167 flights per day flying from Portland to United States. The most common time of day flights depart is 7:00AM, with 47% of flights taking off at noon.
How many flights depart from Portland to United States on average per week?
As of July 2025, 1,171 flights take off from Portland and land in United States each week. The most common flight departure day for this route is Thu, with 23% of weekly flights taking off on this day.
Cheap Portland to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to United States
Best Price Found | $38 |
|---|---|
Fastest flight time | 1h 49m |
Direct flights | Every day |
Airports in United States | 5 airports |
When did momondo last update prices for flights from Portland Airport to United States?
Prices for flights from Portland Airport to United States are updated daily.
How many operators does momondo search for flights from Portland Airport to United States?
As of July 2025, there are 11 operators available to choose from for flights from Portland Airport to United States.
How old do you have to be to fly from Portland Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States 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.
What is the most popular plane model from Portland to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to United States is Boeing 737-800 Passenger/BBJ2 (winglets) (15.05% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (11.71%), Boeing 737-900 Passenger/BBJ3 (winglets) (9.22%), and Boeing 737 (9.02%).
Best airlines flying from Portland to United States
Compare and see reviews for airlines that fly from Portland to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $36 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $48 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $77 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $129 | Free Cancellation | Rating 7.3 2,916 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $134 | Free Cancellation | Rating 8.0 4,270 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 6.9 339 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to United States?
Finding the right flight to United States from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.
Can I find flights from Portland to United States with flexible booking policies on momondo?
Flights from Portland to United States 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 United States?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to United States.
I’m not ready to book a flight from Portland to United States right now. Can momondo alert me if prices change?
Price alerts on flights to United States from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.