$214 Cheap Flights from Washington (IAD) to Tucson (TUS)

Washington (IAD) to Tucson (TUS) at a glance

Travel from Washington Dulles International Airport (IAD) to Tucson International Airport (TUS) with a selection of airlines on this domestic short-haul route. You can explore various options, from full-service airlines to budget-friendly carriers, ensuring you find the best itinerary that aligns with your travel plans, budget, and schedule. Discover essential details about Tucson flights, making it easier to plan your journey and experience the vibrant attractions and neighborhoods of Tucson.

• Fastest (typical) flight duration: around 6 hours in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 1,900 miles (3,060 km)
• Flights per week: around 10 departures on average
• Typical fares (one-way): economy tickets often range from $135–$505, depending on seasonality and how far ahead you book

Flights from Washington Dulles International Airport (IAD) to Tucson International Airport (TUS)

Based on recent traveler bookings, here are the top airlines frequently chosen for one-stop flights from Washington to Tucson. Popular layover options include Denver International Airport (DEN) with a layover of about 1 hour and 15 minutes, Hartsfield-Jackson Atlanta International Airport (ATL) also around 1 hour and 15 minutes, and Dallas-Fort Worth International Airport (DFW) with a 1 hour and 30 minutes layover. These choices allow you to balance price, total travel time, and cabin class to create your ideal itinerary.

• United: This full-service airline provides one-stop flights, with one-way ticket prices usually falling between $135 and $540. It represents about 40% of the departures for this route, featuring an in-flight duration of 6 hours and an overall travel time of approximately 7 hours and 15 minutes, including the layover.
• Delta: Another full-service option, Delta offers one-stop services with one-way fares commonly ranging from $145 to $570. It makes up around 21% of the flights on this route, with 6 hours of flying time, bringing the total journey to about 7 hours and 15 minutes, factoring in the layover.
• American Airlines: As a full-service carrier, American Airlines provides one-stop routes with one-way fares that typically range from $150 to $635. This airline accounts for roughly 19% of departures on this route, with a flight time of 6 hours and a total travel duration of about 7 hours and 15 minutes, including layover time.
• Southwest Airlines: A low-cost option, Southwest Airlines offers one-stop services with one-way fares generally between $175 and $495. This carrier constitutes about 16% of departures on this route, where the in-flight time is 6 hours, leading to a complete journey time of approximately 7 hours and 15 minutes, including layovers.
• Frontier Airlines: As a budget-friendly carrier, Frontier Airlines provides one-stop flights with one-way fares typically ranging from $135 to $270. This airline accounts for about 4% of the departures on this route, with a flying time of 6 hours and a total travel duration of roughly 7 hours and 15 minutes, including layover time.

Travelers flying from Washington to Tucson have the option to upgrade their flight. American Airlines offers a first-class cabin, while Delta features both first class and premium economy. United Airlines also provides first-class service for a more luxurious experience.

Best time to fly from Washington (IAD) to Tucson (TUS)

The most popular months for travelers flying from Washington to Tucson are January, March, and April, when peak temperatures in Tucson reach up to 68.9°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 81.7°F and typically the lowest average one-way fare (around $229). Flight availability peaks in October, with approximately 12 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: September usually offers good deals with average one-way fare around $229, roughly 20% cheaper than the yearly average.
• Another budget-friendly time to fly: May typically offers an average one-way fare of around $246.
• Most flight options: October has the highest number of flights from Washington to Tucson, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Washington (IAD) to Tucson (TUS)

• Washington to Tucson (DCA-TUS): Ronald Reagan Washington National Airport (DCA) is located approximately 23 miles from Washington Dulles International Airport (IAD). One-way economy prices for this route generally fall between $140 and $515, influenced by the time of year and how far in advance you book. Flights on this route often include both one-stop and multi-stop options, with common layover points being Dallas-Fort Worth International Airport (DFW) and Sky Harbor International Airport (PHX). Major airlines for this journey feature American Airlines and low-cost carrier Southwest Airlines. Additionally, travelers can choose from business and first class service on this route.

How to find the best prices for flights from Washington (IAD) to Tucson (TUS)

Getting some of the best deals on flights from Washington to Tucson is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book within two to eight weeks ahead. Afternoon departures from 12 PM to 6 PM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesday generally yields cheaper fares, though Thursday is the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Tucson International Airport from Washington Dulles International Airport

Tucson welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach Tucson efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Tucson, with private rides that can be arranged in advance.
• Car rental: Renting a car from Tucson International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Tucson International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Tucson International Airport, travelers can access various transit options conveniently by car. The Roy Laos Transit Center, a metro station, is located about 5.2 miles from the airport, while Tucson Station, a train station, is about 8.2 miles away. Additionally, the Ronstadt Transit Center, a bus station, is situated approximately 8.4 miles from the airport.

Washington to Tucson Flights

The cheapest times to fly from Washington to Tucson

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Tucson are during the month of September. You can find some of the cheapest flights from Washington to Tucson with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Tucson

Sunday is one of the best days to book for cheap flights from Washington to Tucson: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Washington to Tucson

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Tucson in 2026. You can also book with separate airlines for your outbound and return journeys, from $214 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Tucson flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Tucson airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.