HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

Find cheap United Airlines flights to Portland

CMH — PDX
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find United Airlines flight deals to Portland

Cheapest United Airlines flights from USA to Portland
Explore the most affordable United Airlines flight options available from USA to Portland. Find the lowest fares with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:04 pm
SFO
-
PDX
Nonstop1h 55m
United Airlines
Mon 8/247:00 am
PDX
-
SFO
Nonstop1h 51m
United Airlines
Deal found 7/27$176
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:04 pm
SFO
-
PDX
Nonstop1h 55m
United Airlines
Sun 8/307:00 am
PDX
-
SFO
Nonstop1h 51m
United Airlines
Deal found 7/27$187
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:50 pm
SFO
-
PDX
Nonstop1h 55m
United Airlines
Mon 8/247:00 am
PDX
-
SFO
Nonstop1h 51m
United Airlines
Deal found 7/24$197

Flights to Portland with United Airlines at a glance

Find detailed information about United Airlines flights from USA to Portland. Explore the options provided by United Airlines to plan your journey from USA to Portland. Data last updated July 27, 2026.

Popular in

July

Cheapest in

January

Average price

$386

Round-trip from

$171

One-way from

$76

Good one-way deal

$284 or less
Highest demand for flights to Portland with United Airlines; 10% potential price increase.
Search Deals
Best time to find cheap flights to Portland with United Airlines; 1% potential price drop.
Search Deals
Average price for flights to Portland with United Airlines (round-trip).
Search Deals
United Airlines
  • United Airlines
  • 9/11-9/14
  • Nonstop
  • 3h 54m total
  • USA to Portland
Search Deals
United Airlines
  • United Airlines
  • 9/17
  • Nonstop
  • 1h 55m total
  • USA to Portland
Search Deals
Price to beat on a one-way flight from the United States to Portland with United Airlines.
Search Deals

Cheapflights Insights

Find cheap United Airlines flights to Portland

How long is the flight to Portland with United Airlines?

On average, United Airlines flights from the United States to Portland take 4 hours 20 minutes. Flights to Portland from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

United Airlines weekly flight availability to Portland

The most flights to Portland operated by United Airlines are scheduled on a Sunday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

When is the best time to book a flight to Portland with United Airlines?

The best time to book a flight to Portland with United Airlines is 51 days before departure. On average, fares are higher if you book 1 day before departure.

When is the cheapest time to fly to Portland with United Airlines?

Users looking for the cheapest United Airlines fares to Portland should consider flying on Saturday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.

FAQs about flights to Portland with United Airlines

  • Which airport do United Airlines flights arrive at when travelling to Portland?

    United Airlines flights on this route tend to land at Portland Airport.

  • Is United Airlines the cheapest airline for a flight to Portland?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Portland tends to be with Boutique Air.

  • Are there alternative airlines other than United Airlines that fly to Portland?

    Alaska Airlines, Delta and American Airlines all fly to Portland and offer an alternative to United Airlines.

  • How much is a flight to Portland with United Airlines?

    The average price for a return flight with United Airlines is $433; with a one-way flight around $293.

See more FAQs

Reviews of United Airlines

See what Cheapflights users have to say about their United Airlines experience.
United Airlines
7.4
Good
10,000 reviews
Overview

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Popular United Airlines flights

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.