$206+ Cheap flights from Portland (PDX) to Reagan-National (DCA)
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DCA
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Reagan-National 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 Washington, D.C. Reagan-National are usually found in August or February, booked 73 days in advance, depart on a Saturday or Wednesday and return on a Tuesday
Cheap flight deals from Portland to Reagan-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Reagan-NationalExplore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/912:34 pm -
1 stop30h 24m
Wed 10/147:00 am -
1 stop12h 35m
Deal found 8/3![Frontier logo]()
$332
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:20 pm -
1 stop25h 39m
Sat 9/126:00 pm -
1 stop20h 43m
Deal found 8/4![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 10/812:34 pm -
1 stop30h 24m
Tue 10/137:00 am -
1 stop12h 35m
Deal found 8/3![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/412:20 pm -
1 stop21h 31m
Sun 9/67:00 am -
1 stop13h 11m
Deal found 8/1![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Thu 10/293:47 pm -
1 stop18h 02m
Wed 11/41:59 pm -
1 stop29h 36m
Deal found 7/31![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/15:56 pm -
1 stop25h 03m
Sat 9/126:00 pm -
2 stops19h 07m
Deal found 8/2![Frontier logo]()
$345
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:38 pm -
1 stop25h 21m
Thu 10/82:00 pm -
1 stop29h 35m
Deal found 7/31![Frontier logo]()
$346
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop21h 31m
Tue 9/87:00 am -
1 stop13h 11m
Deal found 8/1![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Thu 10/225:30 pm -
2 stops20h 26m
Mon 10/267:00 am -
1 stop12h 35m
Deal found 8/2![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/1112:39 pm -
2 stops25h 20m
Mon 9/147:00 am -
1 stop7h 43m
Deal found 8/1![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/245:56 pm -
2 stops20h 03m
Mon 8/317:00 am -
1 stop13h 11m
Deal found 7/31![Frontier logo]()
$351
Best flights from Portland to Reagan-NationalDiscover carefully curated flight deals from Portland to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Portland to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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 9/165:30 am -
1 stop7h 02m
Thu 9/176:10 am -
1 stop8h 25m
Deal found 8/1![Delta logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/27:52 am -
Nonstop5h 08m
Wed 9/1610:59 am -
1 stop8h 54m
Deal found 7/30![Alaska Airlines logo]()
$470
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:15 am -
1 stop7h 40m
Fri 8/286:40 pm -
1 stop7h 25m
Deal found 8/4![Southwest logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 10/207:55 am -
Nonstop5h 05m
Wed 10/2810:59 am -
1 stop12h 41m
Deal found 8/3![Alaska Airlines logo]()
$475
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 am -
2 stops8h 15m
Tue 10/276:35 pm -
1 stop7h 30m
Deal found 8/4![Southwest logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 10/297:55 am -
Nonstop5h 05m
Mon 11/25:16 pm -
Nonstop5h 56m
Deal found 7/30![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:05 am -
2 stops9h 50m
Wed 9/210:40 am -
2 stops10h 05m
Deal found 8/3![Southwest logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 8/267:52 am -
Nonstop5h 08m
Sun 8/305:20 pm -
Nonstop5h 42m
Deal found 7/31![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 8/3. 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 9/105:00 am -
2 stops14h 25m
Sat 9/1912:30 pm -
2 stops9h 00m
Deal found 8/3![Southwest logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 9/117:09 am -
1 stop11h 50m
Mon 9/145:27 pm -
Nonstop5h 42m
Deal found 7/30![Alaska Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 7/31. 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.
Mon 9/1411:30 pm -
1 stop8h 55m
Mon 9/214:35 pm -
2 stops9h 35m
Deal found 7/31![Southwest logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 10/227:55 am -
Nonstop5h 05m
Tue 10/275:25 pm -
Nonstop5h 47m
Deal found 7/31![Alaska Airlines logo]()
$497
Last-minute flights from Portland to Reagan-NationalDiscover last-minute flight deals from Portland to Reagan-National. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Reagan-National. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/245:56 pm -
2 stops20h 03m
Mon 8/317:00 am -
1 stop13h 11m
Deal found 7/31![Frontier logo]()
$351
This CheapOair deal was found by Cheapflights users on 8/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:56 pm -
1 stop20h 03m
Fri 9/46:00 pm -
1 stop26h 11m
Deal found 8/2![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/285:56 pm -
2 stops20h 03m
Mon 8/316:00 pm -
1 stop26h 11m
Deal found 8/3![Frontier logo]()
$355
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:20 pm -
1 stop25h 39m
Sat 9/126:00 pm -
1 stop20h 43m
Deal found 8/4![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/315:56 pm -
2 stops20h 03m
Wed 9/27:00 am -
1 stop13h 11m
Deal found 8/3![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/15:56 pm -
1 stop25h 03m
Sat 9/126:00 pm -
2 stops19h 07m
Deal found 8/2![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/412:20 pm -
1 stop21h 31m
Sun 9/67:00 am -
1 stop13h 11m
Deal found 8/1![Frontier logo]()
$341
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop21h 31m
Tue 9/87:00 am -
1 stop13h 11m
Deal found 8/1![Frontier logo]()
$347
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop21h 31m
Mon 9/76:00 pm -
1 stop26h 11m
Deal found 8/1![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/1112:39 pm -
2 stops25h 20m
Mon 9/147:00 am -
1 stop7h 43m
Deal found 8/1![Frontier logo]()
$350
One-way flights from Portland to Reagan-NationalSearch for one-way flight options from Portland to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Portland to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Wed 8/125:21 pm -
1 stop16h 30m
Deal found 8/3![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/185:56 pm -
1 stop15h 55m
Deal found 8/2![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/245:56 pm -
2 stops20h 03m
Deal found 8/1![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/225:56 pm -
2 stops39h 55m
Deal found 7/31![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/315:56 pm -
2 stops20h 03m
Deal found 8/3![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/215:56 pm -
2 stops20h 03m
Deal found 7/31![Frontier logo]()
$214
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/711:34 pm -
1 stop7h 26m
Deal found 8/2![American Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/1112:39 pm -
2 stops25h 20m
Deal found 8/3![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/205:56 pm -
2 stops39h 55m
Deal found 7/30![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 9/2612:24 pm -
2 stops20h 47m
Deal found 7/30![Frontier logo]()
$220
This JetBlue deal was found by Cheapflights users on 8/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:39 pm -
1 stop9h 22m
Deal found 8/3![JetBlue logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/76:17 pm -
2 stops38h 54m
Deal found 7/31![Frontier logo]()
$223
Find flight deals from Portland to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Reagan-National (DCA). 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $332 (Kiwi.com) |
One-way from | $206 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $348 |
Good round-trip deal | $462 or less |
Good one-way deal | $293 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Reagan-National 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 4, 2026.
Use the filters below to find and compare flights from Portland to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Wed 9/16
5:30 am-3:32 pm
1 stop7h 02m
Washington, D.C. Reagan-National
Thu 9/17
6:10 am-11:35 am
1 stop8h 25m
$407
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Wed 9/2
7:52 am-4:00 pm
Nonstop5h 08m
Washington, D.C. Reagan-National
Wed 9/16
10:59 am-4:53 pm
1 stop8h 54m
$470
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Tue 10/20
7:55 am-4:00 pm
Nonstop5h 05m
Washington, D.C. Reagan-National
Wed 10/28
10:59 am-8:40 pm
1 stop12h 41m
$475
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Fri 8/28
6:15 am-4:55 pm
1 stop7h 40m
Washington, D.C. Reagan-National
Fri 8/28
6:40 pm-11:05 pm
1 stop7h 25m
$477
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Thu 10/29
7:55 am-4:00 pm
Nonstop5h 05m
Washington, D.C. Reagan-National
Mon 11/2
5:16 pm-8:12 pm
Nonstop5h 56m
$477
Quickest round-trip
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Wed 8/26
7:52 am-4:00 pm
Nonstop5h 08m
Washington, D.C. Reagan-National
Sun 8/30
5:20 pm-8:02 pm
Nonstop5h 42m
$477
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Fri 9/11
7:09 am-9:59 pm
1 stop11h 50m
Washington, D.C. Reagan-National
Mon 9/14
5:27 pm-8:09 pm
Nonstop5h 42m
$479
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Sat 10/24
6:45 am-6:00 pm
2 stops8h 15m
Washington, D.C. Reagan-National
Tue 10/27
6:35 pm-11:05 pm
1 stop7h 30m
$482
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Mon 8/31
6:05 am-6:55 pm
2 stops9h 50m
Washington, D.C. Reagan-National
Wed 9/2
10:40 am-5:45 pm
2 stops10h 05m
$487
PortlandWashington, D.C.
PDX - DCA
PDXDCA
Portland
Thu 9/10
5:00 am-10:25 pm
2 stops14h 25m
Washington, D.C. Reagan-National
Sat 9/19
12:30 pm-6:30 pm
2 stops9h 00m
$493
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Portland to Reagan-National
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 Reagan-National in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Washington, D.C. Reagan-National Airport 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-Washington, D.C. Reagan-National Airport 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 Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Portland with our price prediction graph.
PDX-DCA
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 Washington, D.C. Reagan-National Airport
Prices
Airlines
How far ahead should I book a flight from Portland to Washington, D.C. Reagan-National Airport?
The price you pay for your flight from Portland to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 72 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 Washington, D.C. Reagan-National Airport?
Currently, August is the cheapest month in which you can book a flight from Portland to Washington, D.C. Reagan-National Airport (average of $348). Flying from Portland to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $707). 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 DCA?
Find hourly flight availability from Portland to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Washington, D.C. Reagan-National Airport as you normally would.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated August 4, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Portland to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland to Reagan-National. 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 Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Clinton
Oxon Hill
Hunt Valley
Woodbridge
Silver Spring
Largo
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Portland and Reagan-National flights
Browse other Portland and Reagan-National flight options. Last updated on August 4, 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 August 4, 2026.
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Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Top 6 airlines flying from Portland to Reagan-National
Discover the top 6 airlines that operate flights from Portland to Reagan-National. 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$411 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$170 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$285 | Average$636 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$336 | Average$481 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$626 | FlexibilityNo cancel fee | On-time63% |