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Cheap flights from Portland to Lewiston from $137

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 Lewiston departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Lewiston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:45 am - 11:27 am
PDX
-
LWS
5h 42m
1 stop
Delta Logo
6:10 am - 10:02 am
LWS
-
PDX
3h 52m
1 stop
$436Delta
Wed, Mar 25 - Sun, Mar 29
Delta Logo
5:36 pm - 11:00 pm
PDX
-
LWS
5h 24m
1 stop
Delta Logo
6:10 am - 10:02 am
LWS
-
PDX
3h 52m
1 stop
$486Delta
Sat, Mar 21 - Wed, Mar 25
Delta Logo
5:45 pm - 9:05 pm
PDX
-
LWS
3h 20m
1 stop
Delta Logo
9:00 am - 1:17 pm
LWS
-
PDX
4h 17m
1 stop
$524Delta
Sun, Jul 19 - Tue, Jul 21
Delta Logo
5:45 pm - 9:05 pm
PDX
-
LWS
3h 20m
1 stop
Delta Logo
12:30 pm - 8:49 pm
LWS
-
PDX
8h 19m
2 stops
$530Delta
Sun, Jul 19 - Tue, Jul 21
Delta Logo
5:36 pm - 11:00 pm
PDX
-
LWS
5h 24m
1 stop
Delta Logo
12:10 pm - 8:59 pm
LWS
-
PDX
8h 49m
2 stops
$608Delta
Sat, Mar 21 - Wed, Mar 25
Delta Logo
7:45 pm - 11:00 pm
PDX
-
LWS
3h 15m
1 stop
Delta Logo
6:10 am - 10:02 am
LWS
-
PDX
3h 52m
1 stop
$612Delta
Tue, Mar 24 - Sat, Mar 28
Delta Logo
5:36 pm - 11:00 pm
PDX
-
LWS
5h 24m
1 stop
Delta Logo
12:10 pm - 7:00 pm
LWS
-
PDX
6h 50m
2 stops
$1,547Delta
Tue, Mar 24 - Sat, Mar 28
Delta Logo
7:45 pm - 11:00 pm
PDX
-
LWS
3h 15m
1 stop
Delta Logo
12:10 pm - 8:59 pm
LWS
-
PDX
8h 49m
2 stops
$1,557Delta
Wed, Mar 25 - Sun, Mar 29

Delta flights from Portland to Lewiston, Idaho

Our best Delta deals on Portland to Lewiston, Idaho flight tickets
Delta
Mar 25
PDX5:45 amPortland
5h 42m
1 stop
LWS11:27 amLewiston Nez Perce Rgnl
Mar 29
LWS6:10 amLewiston Nez Perce Rgnl
3h 52m
1 stop
PDX10:02 amPortland
$436
Delta
Mar 21
PDX5:36 pmPortland
5h 24m
1 stop
LWS11:00 pmLewiston Nez Perce Rgnl
Mar 25
LWS6:10 amLewiston Nez Perce Rgnl
3h 52m
1 stop
PDX10:02 amPortland
$486
Delta
Jul 19
PDX5:45 pmPortland
3h 20m
1 stop
LWS9:05 pmLewiston Nez Perce Rgnl
Jul 21
LWS9:00 amLewiston Nez Perce Rgnl
4h 17m
1 stop
PDX1:17 pmPortland
$524

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Lewiston, Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Portland to Lewiston, Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Wed 3/25

5:45 am-11:27 am

1 stop5h 42m

Lewiston Nez Perce Rgnl

Sun 3/29

6:10 am-10:02 am

1 stop3h 52m

$436

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Sat 3/21

5:36 pm-11:00 pm

1 stop5h 24m

Lewiston Nez Perce Rgnl

Wed 3/25

6:10 am-10:02 am

1 stop3h 52m

$486

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Sun 7/19

5:45 pm-9:05 pm

1 stop3h 20m

Lewiston Nez Perce Rgnl

Tue 7/21

9:00 am-1:17 pm

1 stop4h 17m

$524

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Sun 7/19

5:45 pm-9:05 pm

1 stop3h 20m

Lewiston Nez Perce Rgnl

Tue 7/21

12:30 pm-8:49 pm

2 stops8h 19m

$530

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Sat 3/21

5:36 pm-11:00 pm

1 stop5h 24m

Lewiston Nez Perce Rgnl

Wed 3/25

12:10 pm-8:59 pm

2 stops8h 49m

$608
Quickest round-trip

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Tue 3/24

7:45 pm-11:00 pm

1 stop3h 15m

Lewiston Nez Perce Rgnl

Sat 3/28

6:10 am-10:02 am

1 stop3h 52m

$612

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Tue 3/24

5:36 pm-11:00 pm

1 stop5h 24m

Lewiston Nez Perce Rgnl

Sat 3/28

12:10 pm-7:00 pm

2 stops6h 50m

$1,547

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Wed 3/25

7:45 pm-11:00 pm

1 stop3h 15m

Lewiston Nez Perce Rgnl

Sun 3/29

12:10 pm-8:59 pm

2 stops8h 49m

$1,557
Cheapest one-way

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Thu 4/16

6:05 pm-12:08 am

1 stop6h 03m

$137
Quickest one-way

PortlandLewiston

PDX - LWS

PDXLWS

Portland

Fri 5/22

5:51 pm-10:55 pm

1 stop5h 04m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Lewiston from

How to get the cheapest flight ticket from Portland to Lewiston, Idaho

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 airline that flies from Portland to Lewiston Nez Perce Rgnl?

Delta is the most popular carrier operating from Portland to Lewiston Nez Perce Rgnl

What airlines fly to Lewiston, Idaho?

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Lewiston, Idaho from Portland according to our data. Alaska Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Lewiston, Idaho. Keep in mind that there are 3 different airlines that fly to Lewiston, Idaho on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland to Lewiston, Idaho

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Lewiston, Idaho according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Lewiston, Idaho (PDX to LWS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Lewiston, Idaho

Fastest flight time

3h 16m

Direct flights

None
The fastest flight from Portland to Lewiston, Idaho takes 3h 16m
There are no direct flights from Portland to Lewiston, Idaho. There are no popular flight routes from Portland to Lewiston, Idaho.
Search flight deals

  • How far is Portland to Lewiston Nez Perce Rgnl by plane?

    Lewiston Nez Perce Rgnl is 279.0 mi away from Portland. By plane, this route typically takes 3h 16m.

  • When did momondo last update prices for flights from Portland Airport to Lewiston Nez Perce Rgnl Airport?

    Prices for flights from Portland Airport to Lewiston Nez Perce Rgnl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Lewiston Nez Perce Rgnl Airport?

  • How old do you have to be to fly from Portland Airport to Lewiston Nez Perce Rgnl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Lewiston Nez Perce Rgnl Airport.

  • What documentation or ID do you need to fly to Lewiston Nez Perce Rgnl Airport?

    The travel and health documents required for your trip to Lewiston Nez Perce Rgnl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lewiston Nez Perce Rgnl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Lewiston, Idaho?

Best airlines flying from Portland to Lewiston, Idaho

Compare and see reviews for airlines that fly from Portland to Lewiston, Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $286Free CancellationRating
7.9
8,276 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Lewiston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Lewiston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Lewiston with flexible booking policies on momondo?

Flights from Portland to Lewiston 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 Lewiston?

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 Lewiston.

I’m not ready to book a flight from Portland to Lewiston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Lewiston 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.

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