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$149+ Cheap flights from Dulles Intl (IAD) to Tucson (TUS)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TUS
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Dulles Intl to Tucson

Cheapest flights from Dulles Intl to Tucson
Explore the most affordable flight options available from Dulles Intl to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 3/75:37 pm
IAD
-
TUS
1 stop7h 30m
American Airlines
Mon 3/97:13 pm
TUS
-
IAD
2 stops12h 47m
American Airlines
Deal found 2/10$335
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/74:10 pm
IAD
-
TUS
1 stop9h 46m
United Airlines
Tue 3/177:15 am
TUS
-
IAD
1 stop7h 15m
United Airlines
Deal found 2/10$337
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 3/75:37 pm
IAD
-
TUS
1 stop7h 30m
American Airlines
Tue 3/105:00 am
TUS
-
IAD
1 stop8h 31m
American Airlines
Deal found 2/10$340
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:45 pm
IAD
-
TUS
1 stop6h 50m
Southwest
Tue 3/176:45 am
TUS
-
IAD
1 stop7h 35m
Southwest
Deal found 2/9$341
This Delta deal was found by Cheapflights users on 2/11. 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 3/710:57 am
IAD
-
TUS
2 stops13h 33m
Delta
Tue 3/103:24 pm
TUS
-
IAD
1 stop6h 03m
Delta
Deal found 2/11$342
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/2411:30 am
IAD
-
TUS
2 stops11h 32m
American Airlines
Tue 3/317:13 pm
TUS
-
IAD
2 stops10h 35m
American Airlines
Deal found 2/11$347
This Delta deal was found by Cheapflights users on 2/12. 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.
Mon 3/93:35 pm
IAD
-
TUS
1 stop9h 06m
Delta
Tue 3/103:24 pm
TUS
-
IAD
1 stop6h 03m
Delta
Deal found 2/12$350
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 3/315:00 am
IAD
-
TUS
2 stops12h 32m
American Airlines
Wed 4/88:15 pm
TUS
-
IAD
2 stops9h 34m
American Airlines
Deal found 2/12$354
This Delta deal was found by Cheapflights users on 2/12. 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 3/512:24 pm
IAD
-
TUS
2 stops12h 37m
Delta
Tue 3/105:00 pm
TUS
-
IAD
2 stops13h 10m
Delta
Deal found 2/12$360
This Delta deal was found by Cheapflights users on 2/11. 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.
Mon 3/97:18 am
IAD
-
TUS
1 stop9h 56m
Delta
Thu 3/123:24 pm
TUS
-
IAD
1 stop6h 03m
Delta
Deal found 2/11$363

Find flight deals from Dulles Intl to Tucson

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Tucson (TUS). 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$330
(United Airlines)

One-way from

$149
(American Airlines)

Popular in

November

Cheapest in

June

Average price

$473
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Tucson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Tucson flights.
Search Deals
From Washington, D.C. Dulles Intl to Tucson
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Tucson
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Tucson 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 February 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tucson that are best for you.

Fly from

Dulles Intl

Fly to

Tucson

Route

Depart

Return

Price

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Wed 4/22

2:21 pm-8:18 pm

1 stop8h 57m

Tucson

Sat 4/25

1:29 pm-11:34 pm

1 stop7h 05m

$337

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Sat 4/4

6:00 am-10:47 am

1 stop7h 47m

Tucson

Tue 4/7

5:16 pm-5:40 am

1 stop9h 24m

$337

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Mon 3/9

5:26 pm-9:59 pm

1 stop7h 33m

Tucson

Wed 3/11

7:15 am-5:30 pm

1 stop7h 15m

$350

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 3/5

12:24 pm-11:01 pm

2 stops12h 37m

Tucson

Mon 3/9

3:24 pm-12:27 am

1 stop6h 03m

$378

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 3/5

12:24 pm-11:01 pm

2 stops12h 37m

Tucson

Fri 3/6

4:06 pm-12:21 am

1 stop6h 15m

$397

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 3/5

5:26 pm-10:59 pm

1 stop7h 33m

Tucson

Mon 3/9

7:11 pm-7:31 am

1 stop9h 20m

$403

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Sat 3/7

6:05 pm-1:05 am

2 stops9h 00m

Tucson

Wed 3/11

2:15 pm-11:40 pm

1 stop6h 25m

$412

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Fri 4/17

6:00 am-1:09 pm

1 stop10h 09m

Tucson

Mon 4/20

6:00 am-4:31 pm

1 stop7h 31m

$426

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Wed 3/25

7:18 am-4:24 pm

2 stops12h 06m

Tucson

Mon 3/30

3:24 pm-12:27 am

1 stop6h 03m

$431

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Wed 3/4

9:05 am-5:10 pm

2 stops10h 05m

Tucson

Sat 3/7

6:35 am-12:25 am

2 stops15h 50m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Dulles Intl to Tucson

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 Dulles Intl to Tucson in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Washington, D.C. Dulles Intl Airport-Tucson flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Tucson flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Tucson flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Tucson 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 Washington, D.C. Dulles Intl Airport-Tucson 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 Dulles Intl to Tucson

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

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tucson (average of $158). Flying from Washington, D.C. Dulles Intl Airport to Tucson in September is currently the most expensive (average of $377). 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.

Reviews of airlines servicing Tucson

Get insights into the airlines that provide service to Tucson. 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 Tucson. Reviews last updated February 13, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Tucson have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,283 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,283 reviews
Southwest
8.0
Very good
4,283 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,191 reviews
Southwest
8.0
Very good
4,283 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,286 reviews
Southwest
8.0
Very good
4,283 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,277 reviews
Southwest
8.0
Very good
4,283 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Tucson. 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 into for flights to Tucson from Washington, D.C. Dulles Intl?

    Tucson (TUS) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Tucson. You should not have trouble finding flights to Tucson from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Tucson airport from Washington, D.C. Dulles Intl. It is only a 7.5 mi journey from Tucson (TUS) to Tucson’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Tucson?

    A quick flight from Washington, D.C. Dulles Intl Airport to Tucson can take about 7h 47m. United Airlines provides one of the quickest options available for as low as $337. Airlines will cover a distance of 1928 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Tucson round-trip from $226. Other airlines that can offer you cheap pricing are American Airlines, from $312, and United Airlines, from $315. You may be able to fly from Washington, D.C. Dulles Intl Airport to Tucson for 50% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Tucson are American Airlines ($163), Delta ($163), and United Airlines ($180).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Tucson 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 Washington, D.C. Dulles Intl Airport to Tucson?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tucson (average of $158). Flying from Washington, D.C. Dulles Intl Airport to Tucson in September is currently the most expensive (average of $377). 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
Sierra Vista
Green Valley

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Top 4 airlines flying from Dulles Intl to Tucson

Discover the top 4 airlines that operate flights from Dulles Intl to Tucson. 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$394FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$312Average$503FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$493FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$336Average$413FlexibilityNo cancel feeOn-time63%

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