Dulles Intl

$164+ Cheap flights from Tucson (TUS) to Dulles Intl (IAD)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — IAD
Mar 26 — Apr 21
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Find cheap flights from Tucson to Dulles Intl with Cheapflights

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Cheapflights Tip: The best prices from Tucson to Washington, D.C. Dulles Intl are usually found in February or January, booked 43 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Tucson to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to Dulles Intl (IAD). 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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Delta)

One-way from

$164
(Delta)

Popular in

June

Cheapest in

February

Average price

$486
Provider with most accurate pricing for Tucson-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Tucson-Washington, D.C. Dulles Intl flights.
From Tucson to Washington, D.C. Dulles Intl
One-way flight from Tucson to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 11% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Tucson to Dulles Intl

Cheapest flights from Tucson to Dulles Intl
Explore the most affordable flight options available from Tucson to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:21 amTUS - IAD
1 stop9h 07mDelta
Tue 6/33:37 pmIAD - TUS
1 stop8h 44mDelta
Deal found 3/21$327
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/48:22 pmTUS - IAD
2 stops9h 16mAmerican Airlines
Mon 4/75:00 amIAD - TUS
2 stops9h 24mAmerican Airlines
Deal found 3/20$337
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:00 amTUS - IAD
1 stop21h 43mAlaska Airlines
Sun 5/46:30 amIAD - TUS
1 stop19h 48mAlaska Airlines
Deal found 3/19$409
This United deal was found by Cheapflights users on 3/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:00 amTUS - IAD
1 stop26h 25mUnited Airlines
Fri 5/166:22 amIAD - TUS
1 stop8h 10mUnited Airlines
Deal found 3/20$500
This Southwest deal was found by Cheapflights users on 3/21. 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 4/246:00 amTUS - IAD
2 stops13h 40mSouthwest
Mon 4/282:10 pmIAD - TUS
2 stops12h 20mSouthwest
Deal found 3/21$519
This Hawaiian Airlines deal was found by Cheapflights users on 3/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/273:25 pmTUS - IAD
1 stop11h 09mHawaiian Airlines
Sun 3/307:00 amIAD - TUS
1 stop10h 29mHawaiian Airlines
Deal found 3/20$1,664

Cheapflights Fare Finder

Customize your flight search to find flights from Tucson to Dulles Intl 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 March 21, 2025.
Use the filters below to find and compare flights from Tucson to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Tucson

Fly to

Dulles Intl

Route

Depart

Return

Price

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 5/29

11:21 am-11:28 pm

1 stop9h 07m

Washington, D.C. Dulles Intl

Tue 6/3

3:37 pm-9:21 pm

1 stop8h 44m

$327

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Fri 4/4

8:22 pm-8:38 am

2 stops9h 16m

Washington, D.C. Dulles Intl

Thu 4/24

5:00 am-11:40 am

2 stops9h 40m

$337

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 5/1

7:00 am-7:43 am

1 stop21h 43m

Washington, D.C. Dulles Intl

Sun 5/4

6:30 am-11:18 pm

1 stop19h 48m

$409

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Sun 5/11

6:00 am-11:25 am

1 stop26h 25m

Washington, D.C. Dulles Intl

Fri 5/16

6:22 am-11:32 am

1 stop8h 10m

$500

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 4/24

6:00 am-10:40 pm

2 stops13h 40m

Washington, D.C. Dulles Intl

Mon 4/28

2:10 pm-11:30 pm

2 stops12h 20m

$519

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Wed 4/30

6:00 am-4:37 pm

1 stop7h 37m

$164

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Mon 4/14

8:22 pm-8:38 am

2 stops9h 16m

$169

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Fri 5/16

12:35 pm-11:58 pm

1 stop8h 23m

$209

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Mon 4/21

4:25 pm-11:58 pm

2 stops28h 33m

$248

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Mon 4/21

1:40 pm-10:40 pm

1 stop6h 00m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Compare providers for flights from Tucson to Dulles Intl

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 Tucson to Dulles Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tucson-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tucson-Washington, D.C. Dulles Intl 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 Tucson-Washington, D.C. Dulles Intl 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 Tucson to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Tucson 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 Tucson to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Tucson to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Tucson to Dulles Intl. Price data was last updated on March 14, 2025.

The best time to book flights from Tucson to Washington, D.C. Dulles Intl Airport is 43 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 Tucson to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Tucson to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Tucson to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). 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 TUS to IAD?

Find hourly flight availability from Tucson to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 21, 2025.

It’s optimal to fly from Tucson to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated March 21, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Tucson to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
8.0
Very good

Comfort

8.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Tucson to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Tucson to Washington, D.C. Dulles Intl?

    Tucson (TUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Tucson to Washington, D.C. Dulles Intl. 4 airlines have flights from Tucson to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Tucson to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

  • What are the cheapest airlines flying from Tucson to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Tucson to Washington, D.C. Dulles Intl Airport round-trip from $327. Other airlines that can offer you cheap pricing are American Airlines, from $337, and Alaska Airlines, from $409. You may be able to fly from Tucson to Washington, D.C. Dulles Intl Airport for 35% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Tucson to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $164. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Tucson to Washington, D.C. Dulles Intl Airport for a low price.

  • Can I find deals for flights from Tucson to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Tucson to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tucson to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tucson to Dulles Intl.

  • Can I find deals for business class flights from Tucson to Dulles Intl?

    Yes. Cheapflights offers flight deals from Tucson to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tucson to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Tucson to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Tucson to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). 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.

See more FAQs

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
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Top 4 airlines flying from Tucson to Dulles Intl

Discover the top 4 airlines that operate flights from Tucson to Dulles Intl. 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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$462FlexibilityNo cancel feeOn-time71%
DeltaCheapest$326Average$488FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$351Average$584FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$397Average$506FlexibilityNo cancel feeOn-time63%
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