What is the cheapest month to fly to Dulles Intl?

August is currently the cheapest month to fly to Dulles Intl . At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Can I find cheaper flights to Dulles Intl if I am willing to have layovers?

Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Dulles Intl?

Based on reviews from Cheapflights users, Spirit Airlines is rated the highest out of the airlines that fly to Dulles Intl.

What is the cheapest airport to fly to in Dulles Intl?

Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost $31, while round-trip flights cost around $42.

How much is a round-trip flight to Dulles Intl?

A round-trip flight to Dulles Intl will typically cost around $72, however they can be found for as little as $42.

Where does the fastest flight to Dulles Intl depart from?

For those looking to save time traveling to Dulles Intl, Baltimore/Washington offers the quickest one-way flight (0 hours 27 minutes).

Does Washington, D.C. Dulles Intl have rental cars?

Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the rental car services offered upon their arrival.

Are there hotels close to Washington, D.C. Dulles Intl?

Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 mi away from Washington, D.C. Dulles Intl).

$65+ Flights to Dulles Intl

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Flights to Dulles Intl in 2025

Popular in	December
Cheapest in	April
Average price	$227
Round-trip from	$129
One-way from	$65
Good round-trip deal	$164 or less
Good one-way deal	$162 or less

Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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From New York to Washington, D.C.

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One-way flight from New York to Washington, D.C. Dulles Intl (IAD)

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Price to beat on a round-trip flight from New York to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from New York to Washington, D.C. Dulles Intl.

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Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on June 12, 2025.

Thu 7/106:00 amLGA - IAD

Nonstop1h 27mUnited Airlines

Sat 7/125:11 pmIAD - LGA

Nonstop1h 33mUnited Airlines

Deal found 6/11$129

Thu 7/106:00 amEWR - IAD

Nonstop1h 20mUnited Airlines

Fri 7/116:15 amIAD - EWR

Nonstop1h 14mUnited Airlines

Deal found 6/10$129

Thu 7/1010:30 amJFK - IAD

Nonstop1h 32mDelta

Sun 7/138:31 pmIAD - JFK

Nonstop1h 38mDelta

Deal found 6/12$129

Sun 9/1411:55 amEWR - IAD

1 stop22h 04mMultiple Airlines

Wed 9/175:40 pmIAD - EWR

2 stops27h 43mMultiple Airlines

Deal found 6/9$172

Fri 8/225:55 amEWR - IAD

1 stop10h 28mFrontier

Mon 8/255:37 pmIAD - EWR

1 stop7h 06mFrontier

Deal found 6/9$176

Tue 7/156:00 amEWR - IAD

1 stop5h 32mDelta

Tue 7/226:00 amIAD - EWR

1 stop6h 30mDelta

Deal found 6/11$177

Sun 7/209:55 amEWR - IAD

1 stop23h 28mAllegiant Air

Mon 7/214:46 pmIAD - EWR

1 stop16h 19mAllegiant Air

Deal found 6/10$184

Wed 9/36:00 amJFK - IAD

1 stop8h 56mFrontier

Sat 9/67:00 amIAD - JFK

1 stop17h 40mFrontier

Deal found 6/10$206

Thu 6/126:30 amLGA - IAD

1 stop9h 06mFrontier

Sat 6/144:16 pmIAD - LGA

1 stop7h 10mFrontier

Deal found 6/11$228

Wed 7/911:09 amLGA - IAD

1 stop6h 00mAmerican Airlines

Mon 7/145:39 pmIAD - LGA

1 stop6h 06mAmerican Airlines

Deal found 6/11$257

Thu 7/106:30 amJFK - IAD

1 stop6h 19mAmerican Airlines

Tue 7/156:35 amIAD - JFK

1 stop5h 53mAmerican Airlines

Deal found 6/11$257

Fri 7/117:56 pmSWF - IAD

2 stops24h 57mMultiple Airlines

Sun 7/139:25 amIAD - SWF

1 stop25h 04mMultiple Airlines

Deal found 6/10$269

Best flights to Dulles Intl Airport
Discover carefully curated flight deals to Dulles Intl Airport that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 7/102:59 pmLGA - IAD

Nonstop1h 27mUnited Airlines

Fri 7/1110:15 pmIAD - LGA

Nonstop1h 24mUnited Airlines

Deal found 6/10$129

Thu 7/1010:30 amJFK - IAD

Nonstop1h 32mDelta

Sun 7/138:31 pmIAD - JFK

Nonstop1h 38mDelta

Deal found 6/12$129

Fri 8/225:55 amEWR - IAD

1 stop10h 28mFrontier

Mon 8/255:37 pmIAD - EWR

1 stop7h 06mFrontier

Deal found 6/9$176

Mon 9/89:55 amEWR - IAD

1 stop10h 49mMultiple Airlines

Fri 9/125:40 pmIAD - EWR

2 stops27h 43mMultiple Airlines

Deal found 6/10$181

Sun 7/209:55 amEWR - IAD

1 stop23h 28mAllegiant Air

Mon 7/214:46 pmIAD - EWR

1 stop16h 19mAllegiant Air

Deal found 6/10$184

Wed 7/911:09 amLGA - IAD

1 stop6h 00mAmerican Airlines

Mon 7/145:39 pmIAD - LGA

1 stop6h 06mAmerican Airlines

Deal found 6/11$257

Thu 7/106:00 amEWR - IAD

Nonstop1h 20mUnited Airlines

Fri 7/116:15 amIAD - EWR

Nonstop1h 14mUnited Airlines

Deal found 6/10$129

Tue 7/156:00 amEWR - IAD

1 stop5h 32mDelta

Tue 7/226:00 amIAD - EWR

1 stop6h 30mDelta

Deal found 6/11$177

Wed 9/36:00 amJFK - IAD

1 stop8h 56mFrontier

Sat 9/67:00 amIAD - JFK

1 stop17h 40mFrontier

Deal found 6/10$206

Wed 9/36:30 amLGA - IAD

1 stop8h 26mFrontier

Sat 9/67:00 amIAD - LGA

1 stop16h 32mFrontier

Deal found 6/10$228

Thu 7/106:30 amJFK - IAD

1 stop6h 19mAmerican Airlines

Tue 7/156:35 amIAD - JFK

1 stop5h 53mAmerican Airlines

Deal found 6/11$257

Fri 7/117:56 pmSWF - IAD

2 stops24h 57mMultiple Airlines

Sun 7/139:25 amIAD - SWF

1 stop25h 04mMultiple Airlines

Deal found 6/10$269

Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated June 12, 2025 and is based on user searches.

Thu 6/125:59 amEWR - IAD

1 stop9h 37mFrontier

Sat 6/144:16 pmIAD - EWR

1 stop8h 28mFrontier

Deal found 6/11$218

Thu 6/126:30 amLGA - IAD

1 stop9h 06mFrontier

Sat 6/144:16 pmIAD - LGA

1 stop7h 10mFrontier

Deal found 6/11$228

Sat 6/146:25 amJFK - IAD

1 stop8h 51mFrontier

Mon 6/164:24 pmIAD - JFK

1 stop8h 20mFrontier

Deal found 6/12$228

Wed 6/1810:00 pmLGA - IAD

1 stop12h 09mFrontier

Mon 6/2311:04 amIAD - LGA

1 stop9h 55mFrontier

Deal found 6/10$270

Wed 6/1810:57 amLGA - IAD

1 stop6h 14mAmerican Airlines

Thu 6/195:41 pmIAD - LGA

1 stop6h 04mAmerican Airlines

Deal found 6/11$351

Thu 6/197:59 amEWR - IAD

2 stops27h 21mMultiple Airlines

Mon 6/234:54 pmIAD - EWR

1 stop16h 11mMultiple Airlines

Deal found 6/10$252

Thu 6/196:00 amEWR - IAD

Nonstop1h 19mUnited Airlines

Fri 6/2710:30 pmIAD - EWR

Nonstop1h 20mUnited Airlines

Deal found 6/11$299

Thu 6/195:59 amEWR - IAD

1 stop9h 37mFrontier

Thu 6/264:31 pmIAD - EWR

1 stop8h 13mFrontier

Deal found 6/11$304

Fri 6/2010:30 amJFK - IAD

Nonstop1h 29mDelta

Fri 6/278:30 pmIAD - JFK

Nonstop1h 35mDelta

Deal found 6/11$239

Fri 6/206:30 amJFK - IAD

1 stop6h 08mAmerican Airlines

Wed 7/166:35 amIAD - JFK

1 stop7h 04mAmerican Airlines

Deal found 6/11$304

Fri 6/203:29 pmEWR - IAD

1 stop6h 42mDelta

Wed 6/256:00 amIAD - EWR

1 stop6h 16mDelta

Deal found 6/11$324

Fri 6/2011:55 amLGA - IAD

2 stops32h 57mMultiple Airlines

Sun 6/2211:12 amIAD - LGA

2 stops31h 48mMultiple Airlines

Deal found 6/11$468

One-way flights to Dulles Intl Airport
Search for one-way flight options to Dulles Intl Airport. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 8/16:00 amLGA - IAD

Nonstop1h 27mUnited Airlines

Deal found 6/11$65

Thu 7/36:00 amEWR - IAD

Nonstop1h 20mUnited Airlines

Deal found 6/10$65

Sat 7/510:30 amJFK - IAD

Nonstop1h 29mDelta

Deal found 6/11$65

Wed 8/279:00 amJFK - IAD

1 stop5h 56mFrontier

Deal found 6/10$77

Thu 7/319:55 amEWR - IAD

1 stop23h 28mAllegiant Air

Deal found 6/12$84

Tue 7/156:00 amEWR - IAD

1 stop5h 32mDelta

Deal found 6/10$89

Thu 8/2111:00 amEWR - IAD

1 stop5h 23mFrontier

Deal found 6/11$93

Mon 7/1410:05 pmEWR - IAD

2 stops13h 21mMultiple Airlines

Deal found 6/11$107

Mon 6/166:30 amLGA - IAD

1 stop8h 59mFrontier

Deal found 6/12$125

Tue 9/99:00 amLGA - IAD

1 stop4h 51mAmerican Airlines

Deal found 6/10$127

Tue 9/91:59 pmEWR - IAD

1 stop4h 52mAmerican Airlines

Deal found 6/10$127

Tue 9/91:55 pmJFK - IAD

1 stop4h 56mAmerican Airlines

Deal found 6/10$127

Cheapflights Fare Finder

Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 7/10

6:00 am-7:27 am

Nonstop1h 27m

Washington, D.C. Dulles Intl

Sat 7/12

5:11 pm-6:44 pm

Nonstop1h 33m

$129

New YorkWashington, D.C.

JFK - IAD

JFKIAD

New York John F Kennedy Intl

Thu 7/10

10:30 am-12:02 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sat 7/12

8:31 pm-10:09 pm

Nonstop1h 38m

$129

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Thu 7/10

8:59 pm-10:27 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 7/13

8:35 am-9:57 am

Nonstop1h 22m

$129

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Sun 9/14

11:55 am-9:59 am

1 stop22h 04m

Washington, D.C. Dulles Intl

Wed 9/17

5:40 pm-9:23 pm

2 stops27h 43m

$172

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Fri 8/22

5:55 am-4:23 pm

1 stop10h 28m

Washington, D.C. Dulles Intl

Mon 8/25

5:37 pm-12:43 am

1 stop7h 06m

$176

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Tue 7/15

6:00 am-11:32 am

1 stop5h 32m

Washington, D.C. Dulles Intl

Tue 7/22

6:00 am-12:30 pm

1 stop6h 30m

$177

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Sun 7/20

9:55 am-9:23 am

1 stop23h 28m

Washington, D.C. Dulles Intl

Mon 7/21

4:46 pm-9:05 am

1 stop16h 19m

$184

New YorkWashington, D.C.

JFK - IAD

JFKIAD

New York John F Kennedy Intl

Wed 9/3

6:00 am-2:56 pm

1 stop8h 56m

Washington, D.C. Dulles Intl

Sat 9/6

7:00 am-12:40 am

1 stop17h 40m

$206

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 9/3

6:30 am-2:56 pm

1 stop8h 26m

Washington, D.C. Dulles Intl

Sat 9/6

7:00 am-11:32 pm

1 stop16h 32m

$228

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 7/9

11:09 am-5:09 pm

1 stop6h 00m

Washington, D.C. Dulles Intl

Mon 7/14

5:39 pm-11:45 pm

1 stop6h 06m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 33 results

Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to 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 to Washington, D.C. Dulles Intl Airport

When is the best time to book a flight to Dulles Intl?

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights to Dulles Intl. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Dulles Intl?

On average, a flight from New York to Dulles Intl takes 5 hours 39 minutes. Flights to Dulles Intl from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Dulles Intl?

Users looking for the lowest fares to Dulles Intl should consider flying on Wednesday evenings, when prices are typically cheapest. Budget-minded travelers will want to avoid Monday afternoons, when prices are usually at their highest.

Weekly flight availability to Dulles Intl

The most flights from New York to Dulles Intl are scheduled on a Monday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

What are the most popular airlines that fly to Dulles Intl?

The most popular airlines flying from New York to Dulles Intl are United Airlines and Delta.

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from New York to Dulles Intl are Delta and United Airlines.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Dulles Intl ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Dulles Intl when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Dulles Intl, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Delta, United Airlines and Allegiant Air to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Allegiant Air

7.3

Good

725 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Sun Country Air

6.9

Okay

345 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

FAQs about flying to Dulles Intl

Washington Dulles International Airport (IAD) handles close to 24 million passengers each year. This architecturally beautiful airport is situated 26 miles (42km) from downtown Washington DC and serves a metropolitan area that includes Washington, Baltimore and Northern Virginia.

Washington Dulles International Airport was named after John Foster Dulles who was a former US Secretary of State. The airport is well-connected to Washington and Virginia, and is also connected to more than 125 destinations around the world, making it a popular gateway to the eastern United States.

The airport has a range of shopping options including book shops, fashion, jewelry, gifts, gadgets and music. The duty-free shops at the Washington Dulles International Airport are well-stocked and the amenities are top-class.

The airport serves as a hub for United Airlines, however passengers can book flights to Washington Dulles International Airport on most major international and domestic airlines.

Can I find cheaper flights to Dulles Intl if I am willing to have layovers?
Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Dulles Intl?
Based on reviews from Cheapflights users, Spirit Airlines is rated the highest out of the airlines that fly to Dulles Intl.
What is the cheapest airport to fly to in Dulles Intl?
Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost $31, while round-trip flights cost around $42.
How much is a round-trip flight to Dulles Intl?
A round-trip flight to Dulles Intl will typically cost around $72, however they can be found for as little as $42.
Where does the fastest flight to Dulles Intl depart from?
For those looking to save time traveling to Dulles Intl, Baltimore/Washington offers the quickest one-way flight (0 hours 27 minutes).
Does Washington, D.C. Dulles Intl have rental cars?
Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the rental car services offered upon their arrival.
Are there hotels close to Washington, D.C. Dulles Intl?
Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 mi away from Washington, D.C. Dulles Intl).

See more FAQs

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$65+ Cheap flights to Dulles Intl

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights to Dulles Intl with Cheapflights

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Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on June 12, 2025.

Popular in

Cheapest in

Average price

Round-trip from

One-way from

Good round-trip deal

Good one-way deal

Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl AirportExplore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on June 12, 2025.

Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on June 12, 2025.

Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a round-trip flight from New York to Dulles Intl. Price data was last updated on June 9, 2025.

How long is the flight to Dulles Intl?

When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly round-trip from New York to Dulles Intl. Price data was last updated on June 8, 2025.

Weekly flight availability to Dulles Intl

What are the most popular airlines that fly to Dulles Intl?

What are the cheapest airlines that fly to Dulles Intl?

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Delta, United Airlines and Allegiant Air to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Dulles Intl

Can I find cheaper flights to Dulles Intl if I am willing to have layovers?

What is the best airline to fly to Dulles Intl?

What is the cheapest airport to fly to in Dulles Intl?

How much is a round-trip flight to Dulles Intl?

Where does the fastest flight to Dulles Intl depart from?

Does Washington, D.C. Dulles Intl have rental cars?

Are there hotels close to Washington, D.C. Dulles Intl?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on June 12, 2025.