HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Aurora

$109+ Cheap flights from Dulles Intl (IAD) to Aurora, CO

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DEN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Aurora with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Aurora are usually found in January or February, booked 51 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Dulles Intl to Aurora

Keep the following information in mind while searching for Dulles Intl to Aurora flight deals. Data was last updated April 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$217
(United Airlines)

One-way from

$109
(Southwest)

Popular in

December

Cheapest in

January

Average price

$357
Provider with most accurate pricing for Washington, D.C. (WAS)-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Denver Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Aurora
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Aurora
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Dulles Intl to Aurora

Cheapest flights from Dulles Intl to Aurora
Explore the most affordable flight options available from Dulles Intl to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 6/48:20 amIAD - DEN
Nonstop3h 50mUnited Airlines
Sat 6/77:05 pmDEN - IAD
Nonstop3h 29mUnited Airlines
Deal found 4/28$217
This Southwest deal was found by Cheapflights users on 4/27. 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 7/37:50 pmIAD - DEN
Nonstop3h 55mSouthwest
Sat 7/56:00 pmDEN - IAD
Nonstop3h 30mSouthwest
Deal found 4/27$233
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:40 pmIAD - DEN
1 stop21h 44mSun Country Air
Thu 10/1610:03 amDEN - IAD
1 stop24h 24mSun Country Air
Deal found 4/28$235
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 7/17:35 amIAD - DEN
1 stop9h 25mDelta
Wed 7/301:52 pmDEN - IAD
1 stop7h 29mDelta
Deal found 4/29$237
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2011:47 amIAD - DEN
1 stop12h 44mFrontier
Wed 5/215:29 pmDEN - IAD
1 stop10h 26mFrontier
Deal found 4/28$240
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/315:02 amIAD - DEN
2 stops11h 17mAmerican Airlines
Wed 6/412:16 pmDEN - IAD
1 stop8h 41mAmerican Airlines
Deal found 4/29$242
This Gotogate deal was found by Cheapflights users on 4/27. 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.
Wed 5/217:45 amIAD - DEN
1 stop22h 15mMultiple Airlines
Thu 5/226:54 pmDEN - IAD
1 stop14h 59mMultiple Airlines
Deal found 4/27$256
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/184:46 pmIAD - DEN
1 stop16h 30mAllegiant Air
Sun 7/205:42 pmDEN - IAD
1 stop18h 41mAllegiant Air
Deal found 4/28$264
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 5/277:25 pmIAD - DEN
2 stops20h 33mAlaska Airlines
Tue 6/36:00 amDEN - IAD
2 stops21h 55mAlaska Airlines
Deal found 4/29$394

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Aurora 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 April 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Aurora that are best for you.

Fly from

Dulles Intl

Fly to

Aurora

Route

Depart

Return

Price

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 6/4

10:19 pm-12:15 am

Nonstop3h 56m

Denver Intl

Wed 6/11

11:50 pm-5:15 am

Nonstop3h 25m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Thu 7/3

7:50 pm-9:45 pm

Nonstop3h 55m

Denver Intl

Sat 7/5

6:00 pm-11:30 pm

Nonstop3h 30m

$233

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 7/1

7:35 am-3:00 pm

1 stop9h 25m

Denver Intl

Wed 7/30

1:52 pm-11:21 pm

1 stop7h 29m

$237

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 5/20

11:47 am-10:31 pm

1 stop12h 44m

Denver Intl

Wed 5/21

5:29 pm-5:55 am

1 stop10h 26m

$240

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 5/31

5:02 am-2:19 pm

2 stops11h 17m

Denver Intl

Wed 6/4

12:16 pm-10:57 pm

1 stop8h 41m

$242

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sun 5/25

12:49 pm-5:27 pm

1 stop6h 38m

Denver Intl

Thu 5/29

6:30 pm-11:53 am

1 stop15h 23m

$249

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 5/21

7:45 am-4:00 am

1 stop22h 15m

Denver Intl

Thu 5/22

6:54 pm-11:53 am

1 stop14h 59m

$256

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 7/18

4:46 pm-7:16 am

1 stop16h 30m

Denver Intl

Sun 7/20

5:42 pm-2:23 pm

1 stop18h 41m

$264

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 5/27

7:25 pm-1:58 pm

2 stops20h 33m

Denver Intl

Tue 6/3

6:00 am-5:55 am

2 stops21h 55m

$394

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 7/1

6:30 am-8:17 am

Nonstop3h 47m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 18 results
1
2

Best time to book a flight from Dulles Intl to Aurora

Have a flexible travel schedule? Discover the best time to fly to Aurora 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 Aurora

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Aurora. Price data was last updated on April 25, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Aurora may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aurora (average of $197). Flying from Washington, D.C. Dulles Intl Airport to Aurora in March is currently the most expensive (average of $278). 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 9UR?

Find hourly flight availability from Dulles Intl to Aurora. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Aurora as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Aurora. Price data was last updated on June 9, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Aurora flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Aurora by month

Plan your trip to Aurora by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Aurora ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Aurora when rainfall is around 0.5 in.

Temperature in Aurora by month

Plan your trip to Aurora by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Aurora, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Aurora

Get insights into the airlines that provide service to Aurora. 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 Aurora. Reviews last updated April 29, 2025.
To help decide which airline to fly from Washington, D.C. to Aurora, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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 Aurora. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Aurora are Southwest ($109), United Airlines ($117), and Delta ($119).

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Aurora?

    Consider Southwest (91%), Ethiopian Air (90%) or United Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Aurora.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Aurora?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Aurora? While on average our users pay $815, our data indicates the cheapest price to be $126. The most popular route (Washington, D.C. Dulles Intl - Denver Intl), is priced around $217.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Aurora 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 Aurora?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aurora (average of $197). Flying from Washington, D.C. Dulles Intl Airport to Aurora in March is currently the most expensive (average of $278). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Aurora

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Denver flights
Dulles Intl to Denver flights
Reagan-National to Denver flights
Dulles Intl to Colorado Springs flights
Reagan-National to Colorado Springs flights
Baltimore to Colorado Springs flights
Dulles Intl to Durango flights
Dulles Intl to Aspen flights
Baltimore to Durango flights
Dulles Intl to Grand Junction flights
Reagan-National to Durango flights
Baltimore to Grand Junction flights
Baltimore to Montrose flights
Reagan-National to Aspen flights
Baltimore to Aspen flights
Dulles Intl to Montrose flights
Dulles Intl to Vail flights
Reagan-National to Grand Junction flights
Baltimore to Vail flights
Dulles Intl to Hayden flights
Reagan-National to Montrose flights
Reagan-National to Vail flights
Reagan-National to Hayden flights
Baltimore to Gunnison flights
Dulles Intl to Gunnison flights
Reagan-National to Gunnison flights
Baltimore to Hayden flights
Dulles Intl to Cortez flights
Dulles Intl to Alamosa flights
Reagan-National to Alamosa flights
Baltimore to Alamosa flights

Top 6 airlines flying from Dulles Intl to Aurora

Discover the top 6 airlines that operate flights from Dulles Intl to Aurora. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$231FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$110Average$285FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$166Average$323FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$214Average$413FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$290FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$217Average$366FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.