$422+ Cheap flights from Portland to Lewiston, ID (PDX - LWS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LWS
Jul 26 — Aug 21
Round-trip
1 adult, Economy
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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
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Best
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Cheapest flights from Portland to LewistonExplore the most affordable flight options available from Portland to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
Explore the most affordable flight options available from Portland to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Tue 7/2812:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/21![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Fri 7/3112:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/24![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Sun 7/1212:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/22![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:54 pm
PDX
- LWS
1 stop5h 03m
Delta
Wed 7/159:00 am
LWS
- PDX
1 stop5h 48m
Delta
Deal found 6/26![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:50 pm
PDX
- LWS
1 stop5h 29m
Delta
Sat 7/412:16 pm
LWS
- PDX
2 stops9h 46m
Delta
Deal found 6/22![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:50 pm
PDX
- LWS
1 stop5h 29m
Delta
Fri 7/1012:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/21![Delta logo]()
$624
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:50 pm
PDX
- LWS
1 stop5h 29m
Delta
Mon 6/299:14 am
LWS
- PDX
1 stop5h 32m
Delta
Deal found 6/21![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:54 pm
PDX
- LWS
1 stop5h 03m
Delta
Sat 8/112:18 pm
LWS
- PDX
2 stops9h 42m
Delta
Deal found 6/24![Delta logo]()
$873
Best flights from Portland to LewistonDiscover carefully curated flight deals from Portland to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
Discover carefully curated flight deals from Portland to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Tue 7/2812:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/21![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Fri 7/3112:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/24![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Sun 7/1212:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/22![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:54 pm
PDX
- LWS
1 stop5h 03m
Delta
Wed 7/159:00 am
LWS
- PDX
1 stop5h 48m
Delta
Deal found 6/26![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:50 pm
PDX
- LWS
1 stop5h 29m
Delta
Fri 7/1012:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/21![Delta logo]()
$624
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:54 pm
PDX
- LWS
1 stop5h 03m
Delta
Sat 8/112:18 pm
LWS
- PDX
2 stops9h 42m
Delta
Deal found 6/24![Delta logo]()
$873
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:45 am
PDX
- LWS
1 stop5h 52m
Delta
Mon 7/1312:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/24![Delta logo]()
$993
Last-minute flights from Portland to LewistonDiscover last-minute flight deals from Portland to Lewiston. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Lewiston. Data last updated June 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:50 pm
PDX
- LWS
1 stop5h 29m
Delta
Sat 7/412:16 pm
LWS
- PDX
2 stops9h 46m
Delta
Deal found 6/22![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:50 pm
PDX
- LWS
1 stop5h 29m
Delta
Fri 7/1012:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/21![Delta logo]()
$624
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Sun 7/1212:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/22![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:45 am
PDX
- LWS
1 stop5h 52m
Delta
Mon 7/1312:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/24![Delta logo]()
$993
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:54 pm
PDX
- LWS
1 stop5h 03m
Delta
Wed 7/159:00 am
LWS
- PDX
1 stop5h 48m
Delta
Deal found 6/26![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Tue 7/2812:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/21![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:50 pm
PDX
- LWS
1 stop5h 07m
Delta
Fri 7/3112:18 pm
LWS
- PDX
1 stop6h 00m
Delta
Deal found 6/24![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:54 pm
PDX
- LWS
1 stop5h 03m
Delta
Sat 8/112:18 pm
LWS
- PDX
2 stops9h 42m
Delta
Deal found 6/24![Delta logo]()
$873
Find flight deals from Portland to Lewiston
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Lewiston (LWS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $422 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Lewiston 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, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2026.
Use the filters below to find and compare flights from Portland to Lewiston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Tue 7/21
5:50 pm-10:57 pm
1 stop5h 07m
Lewiston Nez Perce Rgnl
Tue 7/28
12:18 pm-6:18 pm
1 stop6h 00m
$422
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Fri 7/24
5:50 pm-10:57 pm
1 stop5h 07m
Lewiston Nez Perce Rgnl
Fri 7/31
12:18 pm-6:18 pm
1 stop6h 00m
$432
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Wed 7/8
5:50 pm-10:57 pm
1 stop5h 07m
Lewiston Nez Perce Rgnl
Sun 7/12
12:18 pm-6:18 pm
1 stop6h 00m
$472
Quickest round-trip
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Sat 7/11
5:54 pm-10:57 pm
1 stop5h 03m
Lewiston Nez Perce Rgnl
Wed 7/15
9:00 am-2:48 pm
1 stop5h 48m
$562
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Mon 7/6
5:50 pm-11:19 pm
1 stop5h 29m
Lewiston Nez Perce Rgnl
Fri 7/10
12:18 pm-6:18 pm
1 stop6h 00m
$624
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Sat 7/25
5:54 pm-10:57 pm
1 stop5h 03m
Lewiston Nez Perce Rgnl
Sat 8/1
12:18 pm-10:00 pm
2 stops9h 42m
$873
PortlandLewiston
PDX - LWS
PDXLWS
Portland
Thu 7/9
5:45 am-11:37 am
1 stop5h 52m
Lewiston Nez Perce Rgnl
Mon 7/13
12:18 pm-6:18 pm
1 stop6h 00m
$993
Sorted by cheapest first
Compare providers for flights from Portland to Lewiston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Lewiston in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Lewiston, Idaho flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Lewiston, Idaho flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Lewiston, Idaho flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Lewiston, Idaho flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Lewiston, Idaho flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Lewiston
Have a flexible travel schedule? Discover the best time to fly to Lewiston from Portland with our price prediction graph.
PDX-LWS
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.
Reviews of airlines servicing Lewiston
Get insights into the airlines that provide service to Lewiston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lewiston. Reviews last updated June 26, 2026.
Read through reviews of airlines operating flights from Portland to Lewiston, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Portland to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Portland to Lewiston
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Complete your trip
Complete your trip to Lewiston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Lewiston by cabin class
Find flights from Portland to Lewiston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Lewiston
Explore flights to Lewiston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Portland and Lewiston flights
Browse other Portland and Lewiston flight options. Last updated on June 26, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Lewiston
Discover the top airline that operate flights from Portland to Lewiston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$416 | FlexibilityNo cancel fee | On-timeN/A |