$126+ Cheap flights from Sky Harbor Intl (PHX) 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DCA
Jan 20 — Jan 271
1 adult, Economy
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Find cheap flights from Sky Harbor Intl 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 Phoenix Sky Harbor Intl to Washington, D.C. Reagan-National are usually found in August or July, booked 69 days in advance, depart on a Thursday or Tuesday and return on a Saturday
Cheap flight deals from Sky Harbor Intl to Reagan-National
Cheapest flights from Sky Harbor Intl to Reagan-NationalExplore the most affordable flight options available from Sky Harbor Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.
Explore the most affordable flight options available from Sky Harbor Intl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.
This Frontier deal was found by Cheapflights users on 12/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amPHX - DCA
1 stop7h 59mFrontier
Sat 1/102:00 pmDCA - PHX
1 stop12h 29mFrontier
Deal found 12/19![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 12/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amPHX - DCA
1 stop7h 59mFrontier
Tue 1/68:59 amDCA - PHX
1 stop8h 32mFrontier
Deal found 12/19![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 12/18. 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 12/297:00 amPHX - DCA
1 stop7h 59mFrontier
Sat 1/38:00 amDCA - PHX
1 stop26h 21mFrontier
Deal found 12/18![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 12/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:31 pmPHX - DCA
1 stop12h 30mFrontier
Wed 1/76:00 pmDCA - PHX
1 stop8h 29mFrontier
Deal found 12/19![Frontier logo]()
$257
This Expedia deal was found by Cheapflights users on 12/19. 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 12/269:31 amPHX - DCA
1 stop10h 28mFrontier
Tue 1/68:59 amDCA - PHX
1 stop17h 30mFrontier
Deal found 12/19![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 12/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:31 pmPHX - DCA
1 stop12h 30mFrontier
Sat 1/38:00 amDCA - PHX
1 stop8h 33mFrontier
Deal found 12/20![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 12/18. 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.
Wed 12/243:43 pmPHX - DCA
1 stop28h 16mFrontier
Sun 1/48:00 amDCA - PHX
1 stop18h 29mFrontier
Deal found 12/18![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 12/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:43 pmPHX - DCA
1 stop19h 18mFrontier
Sun 1/48:00 amDCA - PHX
1 stop18h 29mFrontier
Deal found 12/20![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 12/19. 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.
Sat 12/207:00 amPHX - DCA
1 stop28h 01mFrontier
Thu 1/18:00 amDCA - PHX
1 stop18h 29mFrontier
Deal found 12/19![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 12/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:31 pmPHX - DCA
1 stop12h 30mFrontier
Wed 1/76:00 pmDCA - PHX
1 stop8h 29mFrontier
Deal found 12/19![Frontier logo]()
$282
This Frontier deal was found by Cheapflights users on 12/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:31 pmPHX - DCA
1 stop12h 30mFrontier
Tue 1/68:59 amDCA - PHX
1 stop8h 32mFrontier
Deal found 12/19![Frontier logo]()
$283
This Expedia deal was found by Cheapflights users on 12/19. 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.
Thu 12/259:31 amPHX - DCA
1 stop10h 28mFrontier
Wed 12/318:00 amDCA - PHX
1 stop18h 29mFrontier
Deal found 12/19![Frontier logo]()
$284
Find flight deals from Sky Harbor Intl to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 December 21, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $211 (Kiwi.com) |
One-way from | $126 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $476 |
Good round-trip deal | $408 or less |
Good one-way deal | $208 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 December 21, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Sky Harbor Intl
Fly to
Reagan-National
Route
Depart
Return
Price
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Fri 1/9
10:21 pm-1:01 pm
2 stops12h 40m
Washington, D.C. Reagan-National
Mon 1/12
6:00 pm-12:56 pm
1 stop20h 56m
$211
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Wed 2/18
9:52 am-6:59 pm
1 stop7h 07m
Washington, D.C. Reagan-National
Sun 2/22
6:00 pm-12:41 am
1 stop8h 41m
$212
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Thu 3/19
9:41 pm-8:01 am
1 stop7h 20m
Washington, D.C. Reagan-National
Tue 3/24
3:33 pm-10:10 pm
1 stop9h 37m
$244
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Mon 1/19
9:35 pm-9:59 pm
1 stop22h 24m
Washington, D.C. Reagan-National
Mon 1/26
6:00 pm-1:40 pm
1 stop21h 40m
$278
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Fri 3/6
7:50 am-4:59 pm
1 stop7h 09m
Washington, D.C. Reagan-National
Tue 3/17
8:00 am-2:01 pm
1 stop9h 01m
$286
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Fri 1/30
7:00 am-9:59 pm
1 stop12h 59m
Washington, D.C. Reagan-National
Wed 2/4
8:59 am-11:59 pm
2 stops17h 00m
$290
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Thu 3/12
9:41 pm-8:01 am
1 stop7h 20m
Washington, D.C. Reagan-National
Mon 3/16
1:00 pm-8:22 pm
1 stop10h 22m
$299
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Sat 3/7
7:45 pm-3:59 pm
1 stop18h 14m
Washington, D.C. Reagan-National
Fri 3/13
6:00 pm-5:46 pm
1 stop26h 46m
$302
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Mon 1/5
10:26 pm-1:02 pm
2 stops12h 36m
Washington, D.C. Reagan-National
Fri 1/9
6:00 pm-1:06 pm
1 stop21h 06m
$340
PhoenixWashington, D.C.
PHX - DCA
PHXDCA
Phoenix Sky Harbor Intl
Mon 1/26
10:19 pm-8:36 am
1 stop8h 17m
Washington, D.C. Reagan-National
Thu 1/29
11:55 am-8:49 pm
1 stop10h 54m
$372
Showing 1-10 of 23 results
Compare providers for flights from Sky Harbor Intl 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 Sky Harbor Intl to Reagan-National in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Phoenix Sky Harbor Intl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-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 Phoenix Sky Harbor Intl Airport-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust CheapOair the most. CheapOair 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 Phoenix Sky Harbor Intl Airport-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 Sky Harbor Intl to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Sky Harbor Intl with our price prediction graph.
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 Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport?
Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Reagan-National. Price data was last updated on December 12, 2025.
The best time to book flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport (average of $168). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of $266). 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 PHX to DCA?
Find hourly flight availability from Sky Harbor Intl 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 December 21, 2025.
It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.
How often are flights from Phoenix to Washington, D.C. delayed?
About 12% of weekly flights between Phoenix and Washington, D.C. have experienced delays in the past year, with the average delay time being 126 minutes.
What is the most punctual flight time for Phoenix to Washington, D.C. flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phoenix to Washington, D.C. flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
What’s the top layover airport for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport?
Share of 1-stop round-trip flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport on Cheapflights.
What’s the cheapest layover airport for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport?
Average round-trip fare for 1-stop flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $277.
What’s the fastest layover option from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport?
Shortest average travel time for 1-stop one-way flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Kansas City (MCI) have the shortest average one-way travel time for 1-stop routes: 6h 10m.
Which airport typically offers the quickest layover for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport?
Average layover duration for 1-stop one-way flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Kansas City (MCI) offer the fastest connection on this route, with an average layover time of 0h 58m.
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 December 21, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Phoenix Sky Harbor Intl Airport 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.
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl 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
Woodbridge
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Springfield
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Alternative routes for Sky Harbor Intl to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Sky Harbor Intl to Reagan-National
Discover the top 5 airlines that operate flights from Sky Harbor Intl 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 December 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$405 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$269 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$299 | Average$377 | FlexibilityNo cancel fee | On-time69% |