IAD - TUS

$193 Find Cheap Flights from Washington Dulles Airport to Tucson - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Tucson departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$365
Typical prices: $312-$835
Delta
Wed 8/26Sat 8/29
IAD - TUS • 1 stop
Cheapest one-way
$193
Typical prices: $302-$307
United Airlines
Tue 9/1
IAD - TUS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Dulles Intl and Tucson. You'll need at least 1 connection.
Insights
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Top layover airports
Chicago (ORD)
Cheapest • Avg $428 (round-trip)
Atlanta (ATL)
Shortest trip • 7h 32m (one-way)
Insights
Insights
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Insights
When to travel
October
Cheapest • 23% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Tucson!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Tucson (IAD-TUS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Tucson that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Tucson

Wed, Aug 26 - Sat, Aug 29
Delta Logo
8:28 am - 12:18 pm
IAD
-
TUS
6h 50m
1 stop
Delta Logo
1:28 pm - 12:34 am
TUS
-
IAD
8h 06m
1 stop
$365Delta
Tue, Aug 18 - Tue, Sep 1
Delta Logo
6:00 am - 12:18 pm
IAD
-
TUS
9h 18m
1 stop
Delta Logo
11:20 am - 11:39 pm
TUS
-
IAD
9h 19m
1 stop
$365Delta
Sat, Aug 22 - Sat, Aug 29
Delta Logo
8:28 am - 12:18 pm
IAD
-
TUS
6h 50m
1 stop
Delta Logo
7:12 am - 7:59 pm
TUS
-
IAD
9h 47m
1 stop
$365Delta
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
12:50 pm - 5:03 pm
IAD
-
TUS
7h 13m
1 stop
United Airlines Logo
1:29 pm - 11:19 pm
TUS
-
IAD
6h 50m
1 stop
$397United Airlines
Tue, Sep 15 - Sat, Sep 19
Alaska Airlines Logo
5:57 pm - 2:13 pm
IAD
-
TUS
23h 16m
1 stop
Alaska Airlines Logo
3:12 pm - 5:40 am
TUS
-
IAD
11h 28m
1 stop
$399Alaska Airlines
Wed, Sep 16 - Tue, Nov 10
Alaska Airlines Logo
7:00 am - 2:13 pm
IAD
-
TUS
10h 13m
1 stop
Alaska Airlines Logo
4:46 pm - 5:51 am
TUS
-
IAD
11h 05m
1 stop
$404Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
6:42 am - 11:10 am
IAD
-
TUS
7h 28m
1 stop
American Airlines Logo
12:02 pm - 5:32 am
TUS
-
IAD
14h 30m
1 stop
$406American Airlines
Wed, Oct 28 - Tue, Nov 10
American Airlines Logo
6:00 am - 6:01 pm
IAD
-
TUS
15h 01m
1 stop
American Airlines Logo
7:00 am - 3:48 pm
TUS
-
IAD
6h 48m
1 stop
$406American Airlines
Thu, Sep 3 - Thu, Sep 10
United Airlines Logo
6:30 am - 10:20 am
IAD
-
TUS
6h 50m
1 stop
United Airlines Logo
11:11 am - 10:45 pm
TUS
-
IAD
8h 34m
1 stop
$423United Airlines
Wed, Aug 26 - Fri, Aug 28
United Airlines Logo
6:15 am - 11:13 am
IAD
-
TUS
7h 58m
1 stop
United Airlines Logo
11:11 am - 10:45 pm
TUS
-
IAD
8h 34m
1 stop
$458United Airlines
Booking Insights

KAYAK's insights & trends for Dulles Intl to Tucson flights

Get data-powered insights and trends into flights from Dulles Intl to Tucson to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Tucson, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Tucson is October, where tickets cost $398 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $718 and $614 respectively.

Find deals

Good to know

Low season

June

Cheapest flight

$193
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly with an average 14% increase in price.
Flight from Washington Dulles Airport to Tucson

When to book flights from Dulles Intl to Tucson

Are your dates flexible? Find out the best times to travel from Dulles Intl to Tucson based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Tucson flights

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

    In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Tucson was $193 for a one-way ticket and $365 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Tucson?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Tucson?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Tucson?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Tucson, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to Tucson, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Tucson are Southwest and Delta. With an average price for the route of $511 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $548 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Tucson?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Tucson.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Tucson?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tucson from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Tucson?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tucson with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and TUS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Tucson?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tucson from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Dulles Intl to Tucson

Information on your arrival and departure airports

Washington Dulles Airport (IAD)
Tucson (TUS)