Cheap Flights to Portland
$339 round trip from New Yorkseen Aug 18 · 29 Sept–3 Oct
Find flights to Portland
Compare live fares and find cheap flights to Portland, United States — search hundreds of airlines and book direct.
Overview
Flying to Portland
Country
United States
Region
North America
Airport
PDX
Cheapest month we saw
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Fares we found
What we have seen flights to Portland cost
3 observations — too few to say which month is cheapest, so here they are as they came.
- August$323 round trip from New York · departing 2026-08-28 · seen Aug 23
- September$325 round trip from New York · departing 2026-09-29 · seen Aug 23
- December$390 round trip from New York · departing 2026-12-05 · seen Aug 23
Climate
Weather in Portland, month by month
The warmest month in Portland is August, at an average high of 84°F; the coolest is January at 48°F. November brings the most rain.
| Month | High | Low | Rain |
|---|---|---|---|
| January | 48°F | 36°F | 6.7 in |
| February | 52°F | 37°F | 5.8 in |
| March | 54°F | 37°F | 5.3 in |
| April | 61°F | 43°F | 3.6 in |
| May | 68°F | 46°F | 2.9 in |
| June | 73°F | 52°F | 1.9 in |
| July | 82°F | 55°F | 0.6 in |
| August | 84°F | 57°F | 0.8 in |
| Septemberthis month | 77°F | 54°F | 1.7 in |
| October | 64°F | 46°F | 4.2 in |
| November | 52°F | 41°F | 7.9 in |
| December | 48°F | 37°F | 7.2 in |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Portland guide coming soon
We're writing an in-depth guide to Portland — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Portland — your questions answered
- How much is a round trip flight to Portland?
- The cheapest round trip we currently hold is $339 from New York (seen Aug 18 · 29 Sept–3 Oct). We hold fares for 3 months, between $323 and $390 — too few to say which month is cheapest. These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Portland?
- August is the warmest month in Portland, averaging a daily high of 84°F, and 3 of the 12 months average 75°F or warmer. The coolest is January at 48°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Portland in September?
- In September, Portland averages a daily high of 77°F and an overnight low of 54°F; about 1.7 inches of rain fall across the month. Ten-year measured averages — an individual week can differ.
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