$132+ Cheap flights from Portland to Baltimore (PDX - BWI)
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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BWI
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Baltimore 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Baltimore/Washington are usually found in September or January, booked 71 days in advance, depart on a Wednesday or Monday and return on a Tuesday
Cheap flight deals from Portland to Baltimore
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to BaltimoreExplore the most affordable flight options available from Portland to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Portland to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
Nonstop5h 10m
Wed 9/304:43 pm -
Nonstop5h 32m
Deal found 8/21![Alaska Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 pm -
1 stop9h 25m
Wed 9/308:10 am -
Nonstop5h 30m
Deal found 8/25![Southwest logo]()
$273
This lol.travel deal was found by Cheapflights users on 8/23. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:30 am -
Nonstop5h 10m
Sat 9/264:43 pm -
Nonstop5h 32m
Deal found 8/23![Alaska Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/1911:02 pm -
1 stop8h 28m
Tue 9/225:35 pm -
1 stop8h 17m
Deal found 8/25![United Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 pm -
1 stop10h 05m
Sat 9/198:50 am -
1 stop12h 25m
Deal found 8/22![Southwest logo]()
$288
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:30 am -
Nonstop5h 10m
Tue 9/224:43 pm -
Nonstop5h 32m
Deal found 8/25![Alaska Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:50 am -
2 stops8h 35m
Wed 10/76:20 am -
2 stops11h 35m
Deal found 8/24![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:45 pm -
Nonstop4h 55m
Tue 9/228:25 am -
1 stop10h 45m
Deal found 8/25![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 8/25. 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 10/105:15 pm -
1 stop9h 30m
Sat 10/177:30 am -
1 stop8h 08m
Deal found 8/25![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 8/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:50 pm -
1 stop7h 56m
Wed 12/27:18 am -
1 stop8h 10m
Deal found 8/22![American Airlines logo]()
$311
Best flights from Portland to BaltimoreDiscover carefully curated flight deals from Portland to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Portland to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Delta deal was found by Cheapflights users on 8/24. 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 9/1910:57 pm -
1 stop7h 19m
Tue 9/226:15 am -
1 stop7h 34m
Deal found 8/24![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 pm -
1 stop9h 25m
Wed 9/3011:10 am -
2 stops11h 45m
Deal found 8/25![Southwest logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:35 pm -
2 stops12h 55m
Tue 9/224:43 pm -
Nonstop5h 32m
Deal found 8/22![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/25. 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 10/105:15 pm -
1 stop9h 30m
Wed 10/216:10 am -
1 stop7h 31m
Deal found 8/25![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:45 pm -
Nonstop4h 55m
Wed 9/238:25 am -
1 stop10h 45m
Deal found 8/24![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 8/20. 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 9/1911:54 am -
1 stop6h 36m
Sun 9/206:10 am -
1 stop7h 14m
Deal found 8/20![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:00 pm -
1 stop12h 30m
Sun 9/204:43 pm -
Nonstop5h 32m
Deal found 8/20![Alaska Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:30 pm -
1 stop10h 05m
Sun 10/45:50 pm -
2 stops10h 05m
Deal found 8/25![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:45 am -
2 stops10h 30m
Sat 10/243:05 pm -
2 stops9h 35m
Deal found 8/23![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 8/23. 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 10/111:10 pm -
1 stop6h 40m
Sun 10/46:10 am -
1 stop7h 14m
Deal found 8/23![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:30 pm -
2 stops9h 35m
Sun 11/157:35 am -
1 stop8h 10m
Deal found 8/21![Southwest logo]()
$412
Last-minute flights from Portland to BaltimoreDiscover last-minute flight deals from Portland to Baltimore. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Baltimore. Data last updated August 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 pm -
1 stop10h 05m
Sat 9/198:50 am -
1 stop12h 25m
Deal found 8/22![Southwest logo]()
$288
This lol.travel deal was found by Cheapflights users on 8/23. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:30 am -
Nonstop5h 10m
Sat 9/264:43 pm -
Nonstop5h 32m
Deal found 8/23![Alaska Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/1911:02 pm -
1 stop8h 28m
Tue 9/225:35 pm -
1 stop8h 17m
Deal found 8/25![United Airlines logo]()
$283
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:30 am -
Nonstop5h 10m
Tue 9/224:43 pm -
Nonstop5h 32m
Deal found 8/25![Alaska Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:45 pm -
Nonstop4h 55m
Tue 9/228:25 am -
1 stop10h 45m
Deal found 8/25![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:45 pm -
Nonstop4h 55m
Sat 9/2610:05 am -
Nonstop5h 25m
Deal found 8/22![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 pm -
1 stop9h 25m
Wed 9/308:10 am -
Nonstop5h 30m
Deal found 8/25![Southwest logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:30 am -
Nonstop5h 10m
Wed 9/304:43 pm -
Nonstop5h 32m
Deal found 8/24![Alaska Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
Nonstop5h 10m
Wed 9/304:43 pm -
Nonstop5h 32m
Deal found 8/21![Alaska Airlines logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
Nonstop5h 10m
Mon 9/284:43 pm -
Nonstop5h 32m
Deal found 8/21![Alaska Airlines logo]()
$320
One-way flights from Portland to BaltimoreSearch for one-way flight options from Portland to Baltimore. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Portland to Baltimore. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:30 am -
Nonstop5h 10m
Deal found 8/24![Alaska Airlines logo]()
$132
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 pm -
1 stop9h 25m
Deal found 8/25![Southwest logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:38 pm -
2 stops16h 53m
Deal found 8/21![Frontier logo]()
$146
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:50 am -
2 stops8h 35m
Deal found 8/24![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 8/25. 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 -
1 stop9h 16m
Deal found 8/25![Delta logo]()
$152
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:25 pm -
2 stops16h 35m
Deal found 8/24![Southwest logo]()
$153
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 am -
Nonstop5h 10m
Deal found 8/21![Alaska Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Tue 10/2011:49 am -
2 stops18h 38m
Deal found 8/23![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:02 am -
2 stops42h 29m
Deal found 8/22![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Sun 10/411:02 am -
2 stops42h 29m
Deal found 8/25![Frontier logo]()
$165
Find flight deals from Portland to Baltimore
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Baltimore (BWI). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Alaska Airlines) |
One-way from | $132 (Alaska Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $367 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Baltimore 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 7,457,451 searches. Data last updated August 25, 2026.
Use the filters below to find and compare flights from Portland to Baltimore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Sat 9/19
10:57 pm-9:16 am
1 stop7h 19m
Baltimore/Washington
Tue 9/22
6:15 am-10:49 am
1 stop7h 34m
$283
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Sat 10/10
5:15 pm-5:45 am
1 stop9h 30m
Baltimore/Washington
Wed 10/21
6:10 am-10:41 am
1 stop7h 31m
$303
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Wed 9/23
11:30 pm-11:55 am
1 stop9h 25m
Baltimore/Washington
Wed 9/30
11:10 am-7:55 pm
2 stops11h 45m
$316
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Fri 9/18
10:45 pm-6:40 am
Nonstop4h 55m
Baltimore/Washington
Wed 9/23
8:25 am-4:10 pm
1 stop10h 45m
$340
Quickest round-trip
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Sat 9/19
11:54 am-9:30 pm
1 stop6h 36m
Baltimore/Washington
Sun 9/20
6:10 am-10:24 am
1 stop7h 14m
$350
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Sat 9/19
2:35 pm-6:30 am
2 stops12h 55m
Baltimore/Washington
Tue 9/22
4:43 pm-7:15 pm
Nonstop5h 32m
$383
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Sat 9/26
5:30 pm-6:35 am
1 stop10h 05m
Baltimore/Washington
Sun 10/4
5:50 pm-12:55 am
2 stops10h 05m
$385
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Sat 9/19
3:00 pm-6:30 am
1 stop12h 30m
Baltimore/Washington
Sun 9/20
4:43 pm-7:15 pm
Nonstop5h 32m
$407
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Wed 10/21
10:45 am-12:15 am
2 stops10h 30m
Baltimore/Washington
Sat 10/24
3:05 pm-9:40 pm
2 stops9h 35m
$409
PortlandBaltimore
PDX Portland - BWI Baltimore/Washington
PDXBWI
Portland
Thu 11/12
11:30 pm-12:05 pm
2 stops9h 35m
Baltimore/Washington
Sun 11/15
7:35 am-12:45 pm
1 stop8h 10m
$412
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Portland to Baltimore
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 Baltimore in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Baltimore flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Baltimore 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-Baltimore 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 Baltimore
Have a flexible travel schedule? Discover the best time to fly to Baltimore from Portland with our price prediction graph.
PDX-BWI
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 Portland to Baltimore
Prices
Airlines
More
How far ahead should I book a flight from Portland to Baltimore?
The price you pay for your flight from Portland to Baltimore may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland to Baltimore?
Currently, September is the cheapest month in which you can book a flight from Portland to Baltimore (average of $295). Flying from Portland to Baltimore in June is currently the most expensive (average of $522). 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.
What is the cheapest time of day to fly from PDX to BWI?
Find hourly flight availability from Portland to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 25, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Baltimore as you normally would.
What’s the top layover airport for flights from Portland to Baltimore?
Share of 1-stop round-trip flights from Portland to Baltimore chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Portland to Baltimore on Cheapflights.
What’s the cheapest layover airport for flights from Portland to Baltimore?
Average round-trip fare for 1-stop flights from Portland to Baltimore, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $356.
What’s the fastest layover option from Portland to Baltimore?
Shortest average travel time for 1-stop one-way flights from Portland to Baltimore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 07m.
Which airport typically offers the quickest layover for flights from Portland to Baltimore?
Average layover duration for 1-stop one-way flights from Portland to Baltimore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 09m.
Reviews of airlines servicing Baltimore
Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated August 25, 2026.
Read through reviews of airlines operating flights from Portland to Baltimore, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Related info for your journey
Find useful and relevant information for your journey from Portland to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Portland and Baltimore flights
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Top 5 airlines flying from Portland to Baltimore
Discover the top 5 airlines that operate flights from Portland to Baltimore. 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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$445 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$247 | Average$425 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$253 | Average$371 | FlexibilityNo cancel fee | On-time69% |