What is the cheapest airline to fly from Lewiston, Idaho to Portland round-trip?

Currently priced at $433, Delta will fly you from Lewiston, Idaho to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

What is the cheapest day to fly from Lewiston, Idaho to Portland?

Travelers seeking maximum savings on their Lewiston, Idaho to Portland flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from LWS to PDX?

When flying from Lewiston, Idaho to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Lewiston to Portland that include hotel bookings?

Yes. In addition to deals on Lewiston to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lewiston to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lewiston to Portland.

Can I find deals for business class flights from Lewiston to Portland?

Yes. Cheapflights offers flight deals from Lewiston to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$257+ Flights from Lewiston, ID to Portland

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Cheap flight deals from Lewiston to Portland

Round-trip from	$433 (Delta)
One-way from	$257 (Delta)

From Lewiston Nez Perce Rgnl to Portland

Search Deals

One-way flight from Lewiston Nez Perce Rgnl to Portland

Search Deals

Find flight deals from Lewiston to Portland

Cheapest flights from Lewiston to Portland
Explore the most affordable flight options available from Lewiston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sun 10/127:10 amLWS - PDX

1 stop3h 20mDelta

Mon 10/133:19 pmPDX - LWS

1 stop5h 44mDelta

Deal found 7/29

$433

Best flights from Lewiston to Portland
Discover carefully curated flight deals from Lewiston to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sun 10/127:10 amLWS - PDX

1 stop3h 20mDelta

Mon 10/133:19 pmPDX - LWS

1 stop5h 44mDelta

Deal found 7/29

$433

Last-minute flights from Lewiston to Portland
Discover last-minute flight deals from Lewiston to Portland. Data last updated July 29, 2025 and is based on user searches.

Mon 8/45:20 pmLWS - PDX

1 stop6h 15mDelta

Mon 8/115:45 pmPDX - LWS

1 stop3h 18mDelta

Deal found 7/29

$532

Wed 8/132:00 pmLWS - PDX

1 stop4h 00mDelta

Sun 8/173:18 pmPDX - LWS

1 stop5h 45mDelta

Deal found 7/29

$468

One-way flights from Lewiston to Portland
Search for one-way flight options from Lewiston to Portland. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sun 8/177:05 amLWS - PDX

1 stop5h 50mDelta

Deal found 7/27

$257

Fly from

Fly to

Route

Depart

Return

Price

LewistonPortland

LWS - PDX

LWSPDX

Lewiston Nez Perce Rgnl

Sun 10/12

7:10 am-10:30 am

1 stop3h 20m

Portland

Mon 10/13

3:19 pm-9:03 pm

1 stop5h 44m

$433

LewistonPortland

LWS - PDX

LWSPDX

Lewiston Nez Perce Rgnl

Sun 8/17

7:05 am-12:55 pm

1 stop5h 50m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Lewiston to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Lewiston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lewiston to Portland

What is the cheapest month to book a flight from Lewiston, Idaho to Portland?

Currently, November is the cheapest month in which you can book a flight from Lewiston, Idaho to Portland (average of $277). Flying from Lewiston, Idaho to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Delta from Lewiston to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What is the cheapest airline to fly from Lewiston, Idaho to Portland round-trip?
Currently priced at $433, Delta will fly you from Lewiston, Idaho to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip.
Can I find deals for flights from Lewiston to Portland that include hotel bookings?
Yes. In addition to deals on Lewiston to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lewiston to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lewiston to Portland.
Can I find deals for business class flights from Lewiston to Portland?
Yes. Cheapflights offers flight deals from Lewiston to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lewiston, Idaho to Portland?
Currently, November is the cheapest month in which you can book a flight from Lewiston, Idaho to Portland (average of $277). Flying from Lewiston, Idaho to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Portland

Top airline flying from Lewiston to Portland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$296	Average$364	FlexibilityNo cancel fee	On-timeN/A

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$257+ Cheap flights from Lewiston, ID to Portland (LWS - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lewiston to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lewiston to Portland

Round-trip from

One-way from

Find flight deals from Lewiston to Portland

Cheapest flights from Lewiston to PortlandExplore the most affordable flight options available from Lewiston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Lewiston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lewiston to Portland that are best for you.

Best time to book a flight from Lewiston to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Lewiston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lewiston to Portland

What is the cheapest month to book a flight from Lewiston, Idaho to Portland?

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Delta from Lewiston to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lewiston to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Lewiston, Idaho to Portland round-trip?

Can I find deals for flights from Lewiston to Portland that include hotel bookings?

How can I find direct flights from Lewiston to Portland?

Can I find deals for business class flights from Lewiston to Portland?

What is the cheapest month to book a flight from Lewiston, Idaho to Portland?

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

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

Alternative routes for Lewiston to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Lewiston to Portland

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Lewiston to Portland
Explore the most affordable flight options available from Lewiston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.