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Cheap flights from Tucson to Washington, D.C. from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to Washington, D.C. departing on 12/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Delta Logo
6:00 am - 4:57 pmTUS-IAD
7h 57m1 stop
Delta Logo
5:52 pm - 11:30 pmIAD-TUS
7h 38m1 stop
$322Delta
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Fri, Oct 31 - Sat, Nov 8
Delta Logo
6:00 am - 5:00 pmTUS-IAD
9h 00m1 stop
Delta Logo
5:59 pm - 11:45 pmIAD-TUS
7h 46m1 stop
$347Delta
Find Deal
Thu, Dec 11 - Wed, Dec 17
Alaska Airlines Logo
4:35 pm - 6:23 amTUS-IAD
11h 48m1 stop
Alaska Airlines Logo
7:43 am - 3:39 pmIAD-TUS
9h 56m1 stop
$363Alaska Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
9:41 am - 7:31 pmTUS-IAD
7h 50m2 stops
American Airlines Logo
2:16 pm - 9:15 pmIAD-TUS
8h 59m2 stops
$373American Airlines
Find Deal
Thu, Dec 11 - Wed, Dec 17
United Airlines Logo
12:13 pm - 10:19 pmTUS-IAD
8h 06m1 stop
United Airlines Logo
10:02 am - 4:37 pmIAD-TUS
8h 35m1 stop
$378United Airlines
Find Deal
Thu, Dec 18 - Fri, Jan 9
Alaska Airlines Logo
6:00 am - 6:23 amTUS-IAD
22h 23m1 stop
Alaska Airlines Logo
7:43 am - 3:39 pmIAD-TUS
9h 56m1 stop
$384Alaska Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
Southwest Logo
5:25 am - 3:45 pmTUS-IAD
8h 20m1 stop
Southwest Logo
7:40 am - 5:45 pmIAD-TUS
12h 05m2 stops
$386Southwest
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Wed, Nov 12 - Wed, Nov 19
American Airlines Logo
6:00 am - 4:16 pmTUS-IAD
8h 16m1 stop
American Airlines Logo
6:05 am - 11:36 amIAD-TUS
7h 31m1 stop
$447American Airlines
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Thu, Dec 25 - Tue, Dec 30
Southwest Logo
5:10 am - 1:10 pmTUS-IAD
6h 00m1 stop
Southwest Logo
7:50 pm - 12:25 amIAD-TUS
6h 35m1 stop
$473Southwest
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Sun, Nov 16 - Fri, Nov 21
United Airlines Logo
7:00 am - 4:30 pmTUS-IAD
7h 30m1 stop
United Airlines Logo
6:00 am - 11:20 amIAD-TUS
7h 20m1 stop
$536United Airlines
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Wed, Nov 5 - Sun, Nov 9

Delta flights from Tucson to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Tucson to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Oct 31
TUS6:00 amTucson
7h 57m
1 stop
IAD4:57 pmWashington, D.C. Dulles Intl
Nov 8
IAD5:52 pmWashington, D.C. Dulles Intl
7h 38m
1 stop
TUS11:30 pmTucson
$322
Find similar
Delta
Dec 11
TUS6:00 amTucson
9h 00m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
Dec 17
IAD5:59 pmWashington, D.C. Dulles Intl
7h 46m
1 stop
TUS11:45 pmTucson
$347
Find similar
Delta
Dec 11
TUS7:30 amTucson
13h 38m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
Dec 17
IAD5:59 pmWashington, D.C. Dulles Intl
7h 46m
1 stop
TUS11:45 pmTucson
$352
Find similar

Southwest flights from Tucson to Washington, D.C. Dulles Intl Airport

Our best Southwest deals on Tucson to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Nov 12
TUS5:25 amTucson
8h 20m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Nov 19
IAD7:40 amWashington, D.C. Dulles Intl
12h 05m
2 stops
TUS5:45 pmTucson
$386
Find similar
Southwest
Nov 16
TUS5:10 amTucson
6h 00m
1 stop
IAD1:10 pmWashington, D.C. Dulles Intl
Nov 21
IAD7:50 pmWashington, D.C. Dulles Intl
6h 35m
1 stop
TUS12:25 amTucson
$473
Find similar
Southwest
Nov 16
TUS6:05 amTucson
11h 00m
2 stops
IAD7:05 pmWashington, D.C. Dulles Intl
Nov 21
IAD5:05 amWashington, D.C. Dulles Intl
13h 25m
2 stops
TUS4:30 pmTucson
$495
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momondo Fare Finder

 
Customize your flight search to find flights from Tucson to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 20, 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

Fly to

Route

Depart

Return

Price

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Fri 10/31

6:00 am-4:57 pm

1 stop7h 57m

Washington, D.C. Dulles Intl

Sat 11/8

5:52 pm-11:30 pm

1 stop7h 38m

$322

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 12/11

6:00 am-5:00 pm

1 stop9h 00m

Washington, D.C. Dulles Intl

Wed 12/17

5:59 pm-11:45 pm

1 stop7h 46m

$347

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 11/13

4:35 pm-6:23 am

1 stop11h 48m

Washington, D.C. Dulles Intl

Mon 11/17

7:43 am-3:39 pm

1 stop9h 56m

$363

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 12/11

9:41 am-7:31 pm

2 stops7h 50m

Washington, D.C. Dulles Intl

Wed 12/17

2:16 pm-9:15 pm

2 stops8h 59m

$373

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 12/18

12:13 pm-10:19 pm

1 stop8h 06m

Washington, D.C. Dulles Intl

Fri 1/9

10:02 am-4:37 pm

1 stop8h 35m

$378

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Sat 11/15

6:00 am-6:23 am

1 stop22h 23m

Washington, D.C. Dulles Intl

Tue 11/18

7:43 am-3:39 pm

1 stop9h 56m

$384

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Wed 11/12

5:25 am-3:45 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Wed 11/19

7:40 am-5:45 pm

2 stops12h 05m

$386

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Thu 12/25

6:00 am-4:16 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 12/30

6:05 am-11:36 am

1 stop7h 31m

$447

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Sun 11/16

5:10 am-1:10 pm

1 stop6h 00m

Washington, D.C. Dulles Intl

Fri 11/21

7:50 pm-12:25 am

1 stop6h 35m

$473

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

Wed 11/5

7:00 am-4:30 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-11:20 am

1 stop7h 20m

$536

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Tucson to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, February is the cheapest month to fly from Tucson to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $326. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $374.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $496. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Tucson to Washington, D.C. Dulles Intl Airport for around $681.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Tucson in the evening is the least expensive time of day to depart. momondo users have found prices as low as $517 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $569 on average. Flights to Washington, D.C. Dulles Intl Airport from Tucson in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Tucson to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Tucson to Washington, D.C. Dulles Intl Airport flights are approximately 57% more expensive when compared to flights at the same time last year.

When to book flights from Tucson to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Tucson to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Tucson to Washington, D.C. Dulles Intl Airport (TUS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Tucson to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Tucson to Washington, D.C. Dulles Intl Airport.
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  • How far is Tucson to Washington, D.C. Dulles Intl by plane?

    Tucson and Washington, D.C. Dulles Intl are 1926.8 mi apart from one another. A reasonable flight in good conditions will take 5h 52m.

  • When did momondo last update prices for flights from Tucson Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Tucson Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Tucson Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Tucson Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Tucson to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Tucson to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Tucson to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $306Free CancellationRating
7.9
7,978 reviews
Search Delta flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
11,024 reviews
Search American Airlines flights
SouthwestPriceFrom $392Free CancellationRating
8.0
4,239 reviews
Search Southwest flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Tucson to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Tucson to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Tucson to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Tucson to Washington, D.C.?

Once all potential Tucson to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Tucson to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Tucson. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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