$257+ Cheap flights from Dayton to Portland (DAY - 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — PDX
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Dayton to Portland with Cheapflights
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dayton to Portland
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Cheapest flights from Dayton to PortlandExplore the most affordable flight options available from Dayton to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from Dayton to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:32 am -
1 stop8h 23m
Sat 9/126:01 am -
1 stop9h 38m
Deal found 8/7![American Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 8/6. 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 9/24:17 pm -
1 stop8h 27m
Wed 9/910:57 pm -
1 stop8h 42m
Deal found 8/6![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 8/5. 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 9/226:00 am -
2 stops9h 37m
Tue 10/611:00 pm -
1 stop8h 38m
Deal found 8/5![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 9/106:00 pm -
1 stop7h 52m
Mon 9/1411:02 pm -
1 stop8h 47m
Deal found 8/9![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/5. 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 9/226:00 am -
2 stops9h 37m
Mon 10/510:57 pm -
1 stop8h 41m
Deal found 8/5![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 8/7. 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 9/96:00 am -
2 stops14h 10m
Fri 9/1112:25 am -
2 stops12h 13m
Deal found 8/7![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 8/7. 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 8/283:06 pm -
1 stop9h 38m
Sun 8/308:24 pm -
2 stops11h 16m
Deal found 8/7![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/9. 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 9/156:00 am -
2 stops9h 37m
Mon 9/2111:10 pm -
2 stops12h 31m
Deal found 8/9![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 11/102:10 pm -
2 stops10h 03m
Mon 11/162:34 pm -
1 stop6h 05m
Deal found 8/9![United Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/5. 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 9/226:00 am -
2 stops9h 37m
Tue 9/2910:57 pm -
1 stop8h 42m
Deal found 8/5![Delta logo]()
$390
Best flights from Dayton to PortlandDiscover carefully curated flight deals from Dayton to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Dayton to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This Delta deal was found by Cheapflights users on 8/9. 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 11/1011:28 am -
2 stops10h 25m
Mon 11/1611:10 pm -
1 stop8h 32m
Deal found 8/9![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 11/102:50 pm -
1 stop8h 25m
Mon 11/161:15 pm -
1 stop6h 27m
Deal found 8/9![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 8/7. 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 8/283:06 pm -
1 stop9h 38m
Sun 8/308:24 pm -
2 stops11h 16m
Deal found 8/7![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/9. 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 9/156:00 am -
2 stops9h 37m
Mon 9/2111:10 pm -
2 stops12h 31m
Deal found 8/9![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 11/102:10 pm -
2 stops10h 03m
Sat 11/149:00 am -
2 stops8h 49m
Deal found 8/7![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 9/169:00 am -
1 stop9h 05m
Sat 10/32:27 pm -
1 stop6h 31m
Deal found 8/5![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 8/5. 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 9/24:17 pm -
1 stop8h 27m
Mon 9/712:25 am -
2 stops12h 13m
Deal found 8/5![Delta logo]()
$424
Last-minute flights from Dayton to PortlandDiscover last-minute flight deals from Dayton to Portland. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to Portland. Data last updated August 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/7. 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 8/283:06 pm -
1 stop9h 38m
Sun 8/308:24 pm -
2 stops11h 16m
Deal found 8/7![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:47 pm -
1 stop10h 01m
Sun 8/3011:34 pm -
1 stop9h 18m
Deal found 8/9![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 8/6. 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 9/24:17 pm -
1 stop8h 27m
Wed 9/910:57 pm -
1 stop8h 42m
Deal found 8/6![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:32 am -
1 stop8h 23m
Sat 9/126:01 am -
1 stop9h 38m
Deal found 8/7![American Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 8/7. 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 9/96:00 am -
2 stops14h 10m
Fri 9/1112:25 am -
2 stops12h 13m
Deal found 8/7![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 9/106:00 pm -
1 stop7h 52m
Mon 9/1411:02 pm -
1 stop8h 47m
Deal found 8/9![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/9. 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 9/156:00 am -
2 stops9h 37m
Mon 9/2111:10 pm -
2 stops12h 31m
Deal found 8/9![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 8/5. 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 9/226:00 am -
2 stops9h 37m
Tue 10/611:00 pm -
1 stop8h 38m
Deal found 8/5![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 8/5. 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 9/226:00 am -
2 stops9h 37m
Mon 10/510:57 pm -
1 stop8h 41m
Deal found 8/5![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 8/5. 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 9/226:00 am -
2 stops9h 37m
Tue 9/2910:57 pm -
1 stop8h 42m
Deal found 8/5![Delta logo]()
$390
One-way flights from Dayton to PortlandSearch for one-way flight options from Dayton to Portland. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Dayton to Portland. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:39 am -
3 stops52h 04m
Deal found 8/5![Multiple Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 9/169:00 am -
1 stop7h 14m
Deal found 8/5![United Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:09 pm -
1 stop7h 58m
Deal found 8/9![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 8/5. 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 9/153:27 pm -
2 stops11h 13m
Deal found 8/5![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 8/4. 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 9/194:26 pm -
1 stop8h 21m
Deal found 8/4![Delta logo]()
$340
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:23 pm -
1 stop8h 00m
Deal found 8/5![American Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 9/137:15 am -
1 stop7h 13m
Deal found 8/5![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/199:00 am -
2 stops14h 39m
Deal found 8/4![United Airlines logo]()
$360
Find flight deals from Dayton to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Portland (PDX). 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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $353 (American Airlines) |
One-way from | $257 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $476 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dayton to Portland 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 August 10, 2026.
Use the filters below to find and compare flights from Dayton to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Tue 11/10
11:28 am-6:53 pm
2 stops10h 25m
Portland
Mon 11/16
11:10 pm-10:42 am
1 stop8h 32m
$361
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Fri 8/28
3:06 pm-9:44 pm
1 stop9h 38m
Portland
Sun 8/30
8:24 pm-10:40 am
2 stops11h 16m
$364
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Tue 9/15
6:00 am-12:37 pm
2 stops9h 37m
Portland
Mon 9/21
11:10 pm-2:41 pm
2 stops12h 31m
$366
Quickest round-trip
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Tue 11/10
2:50 pm-8:15 pm
1 stop8h 25m
Portland
Mon 11/16
1:15 pm-10:42 pm
1 stop6h 27m
$418
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Wed 9/2
4:17 pm-9:44 pm
1 stop8h 27m
Portland
Mon 9/7
12:25 am-3:38 pm
2 stops12h 13m
$424
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Tue 11/10
2:10 pm-9:13 pm
2 stops10h 03m
Portland
Sat 11/14
9:00 am-8:49 pm
2 stops8h 49m
$428
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Wed 9/16
9:00 am-3:05 pm
1 stop9h 05m
Portland
Sat 10/3
2:27 pm-11:58 pm
1 stop6h 31m
$453
Cheapest one-way
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Wed 9/16
6:00 pm-10:52 pm
1 stop7h 52m
$305
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Thu 9/17
3:27 pm-9:47 pm
1 stop9h 20m
$305
DaytonPortland
DAY Dayton - PDX Portland
DAYPDX
Dayton
Tue 9/15
3:27 pm-9:47 pm
1 stop9h 20m
$305
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Dayton to Portland
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 Dayton to Portland in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Dayton-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dayton-Portland 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 Dayton-Portland 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 Dayton to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Dayton with our price prediction graph.
DAY-PDX
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 Dayton to Portland
What is the cheapest month to book a flight from Dayton to Portland?
Currently, February is the cheapest month in which you can book a flight from Dayton to Portland (average of $308). Flying from Dayton to Portland in May is currently the most expensive (average of $711). 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.
How much does it cost to fly round-trip from Dayton to Portland?
Airfare is below average for this route at the moment.
Dayton to Portland flights typically cost between $408 and $558 in September.The cheapest round-trip price found within the last 5 days was $353 on American Airlines (Sep 9-Sep 12).
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 10, 2026.
See what other customers who have flown with United Airlines and American Airlines from Dayton to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Dayton to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Astoria
Gresham
Silverton
Browse thousands of different options on Cheapflights for your next trip
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Dayton and Portland flights
Browse other Dayton and Portland flight options. Last updated on August 10, 2026.
Other flights from Dayton
Browse through other flights departing from Dayton. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
Top 2 airlines flying from Dayton to Portland
Discover the top 2 airlines that operate flights from Dayton to Portland. 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$455 | FlexibilityNo cancel fee | On-time69% |