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$123+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Tucson are usually found in June or February, booked 36 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap 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 July 3, 2025.

Round-trip from

$278
(Booking.com)

One-way from

$123
(Priceline)

Popular in

July

Cheapest in

June

Average price

$595
From Washington, D.C. Dulles Intl to Tucson
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One-way flight from Washington, D.C. Dulles Intl to Tucson
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Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:09 pmIAD - TUS
1 stop20h 12mAlaska Airlines
Sat 9/1312:17 pmTUS - IAD
1 stop9h 06mAlaska Airlines
Deal found 7/2$298
This Delta deal was found by Cheapflights users on 7/1. 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.
Fri 8/155:25 pmIAD - TUS
1 stop7h 22mDelta
Mon 8/1812:54 pmTUS - IAD
1 stop8h 27mDelta
Deal found 7/1$299
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:50 pmIAD - TUS
1 stop6h 40mSouthwest
Wed 8/275:40 amTUS - IAD
2 stops13h 25mSouthwest
Deal found 7/1$310
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:03 amIAD - TUS
2 stops11h 27mAmerican Airlines
Wed 8/67:00 amTUS - IAD
2 stops8h 52mAmerican Airlines
Deal found 6/30$312
This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/177:30 amIAD - TUS
1 stop7h 20mFrontier
Thu 7/2412:45 pmTUS - IAD
1 stop14h 49mFrontier
Deal found 7/3$319

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 July 3, 2025.
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

Tue 9/9

6:09 pm-11:21 am

1 stop20h 12m

Tucson

Sat 9/13

12:17 pm-12:23 am

1 stop9h 06m

$298

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Fri 8/15

5:25 pm-9:47 pm

1 stop7h 22m

Tucson

Mon 8/18

6:00 am-4:30 pm

1 stop7h 30m

$299

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Mon 8/11

6:50 pm-10:30 pm

1 stop6h 40m

Tucson

Wed 8/27

5:40 am-10:05 pm

2 stops13h 25m

$310

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 7/31

9:03 am-5:30 pm

2 stops11h 27m

Tucson

Wed 8/6

7:00 am-6:52 pm

2 stops8h 52m

$312

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 7/17

7:30 am-11:50 am

1 stop7h 20m

Tucson

Thu 7/24

12:45 pm-6:34 am

1 stop14h 49m

$319

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 8/7

7:30 am-11:50 am

1 stop7h 20m

$148

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Sun 8/10

5:37 pm-9:36 pm

1 stop6h 59m

$150

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Wed 11/19

7:43 am-3:29 pm

1 stop9h 46m

$171

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Sun 11/16

5:16 pm-11:59 pm

1 stop8h 43m

$195

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Sun 11/16

1:50 pm-12:15 am

2 stops12h 25m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 11 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Tucson. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Tucson, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tucson (average of $364). Flying from Washington, D.C. Dulles Intl Airport to Tucson in March is currently the most expensive (average of $424). 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 IAD to TUS?

Find hourly flight availability from Dulles Intl to Tucson. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Tucson at noon. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Tucson?

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $278. Other airlines that can offer you cheap pricing are Alaska Airlines, from $298, and Delta, from $299. You may be able to fly from Washington, D.C. Dulles Intl Airport to Tucson for 40% 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 Frontier ($123), Delta ($150), and American 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tucson (average of $364). Flying from Washington, D.C. Dulles Intl Airport to Tucson in March is currently the most expensive (average of $424). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$277Average$392FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$331Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$350Average$538FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$488FlexibilityNo cancel feeOn-time63%

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