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Dulles Intl

$319+ Cheap flights from Lafayette (LFT) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
LFT — IAD
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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Cheap flight deals from Lafayette to Dulles Intl

Cheapest flights from Lafayette to Dulles Intl
Explore the most affordable flight options available from Lafayette to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 9/2811:26 am
LFT
-
IAD
1 stop5h 55m
Delta
Sat 10/311:15 am
IAD
-
LFT
1 stop4h 58m
Delta
Deal found 7/1$319
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/2210:49 am
LFT
-
IAD
1 stop6h 38m
American Airlines
Sun 8/306:09 am
IAD
-
LFT
1 stop8h 32m
American Airlines
Deal found 7/1$339
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
LFT
-
IAD
1 stop7h 02m
American Airlines
Mon 8/245:34 pm
IAD
-
LFT
1 stop4h 36m
American Airlines
Deal found 6/28$367
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 7/165:03 pm
LFT
-
IAD
1 stop6h 38m
Delta
Mon 7/206:00 am
IAD
-
LFT
1 stop5h 52m
Delta
Deal found 7/1$369
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 7/114:00 pm
LFT
-
IAD
1 stop7h 41m
Delta
Wed 7/1512:37 pm
IAD
-
LFT
1 stop4h 46m
Delta
Deal found 7/1$398
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:04 pm
LFT
-
IAD
1 stop6h 51m
United Airlines
Fri 9/186:30 am
IAD
-
LFT
1 stop5h 45m
United Airlines
Deal found 6/29$403
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 7/3110:52 am
LFT
-
IAD
1 stop6h 45m
American Airlines
Wed 8/56:09 am
IAD
-
LFT
1 stop8h 32m
American Airlines
Deal found 7/1$413
This Delta deal was found by Cheapflights users on 6/29. 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.
Thu 7/93:29 pm
LFT
-
IAD
1 stop4h 34m
Delta
Tue 7/1410:21 am
IAD
-
LFT
1 stop5h 13m
Delta
Deal found 6/29$414
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 7/144:09 pm
LFT
-
IAD
1 stop7h 22m
United Airlines
Sat 7/182:53 pm
IAD
-
LFT
1 stop5h 33m
United Airlines
Deal found 6/28$415

Find flight deals from Lafayette to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lafayette (LFT) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

Popular in

October

Cheapest in

September

Average price

$442
Provider with most accurate pricing for Lafayette Regional-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lafayette Regional-Washington, D.C. Dulles Intl flights.
Search Deals
From Lafayette Regional to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lafayette to Dulles Intl 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 July 2, 2026.
Use the filters below to find and compare flights from Lafayette to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Mon 9/28

5:13 pm-12:40 am

1 stop6h 27m

Washington, D.C. Dulles Intl

Sat 10/3

11:15 am-3:13 pm

1 stop4h 58m

$319

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Thu 10/22

3:06 pm-9:30 pm

1 stop5h 24m

Washington, D.C. Dulles Intl

Tue 10/27

8:00 am-2:26 pm

1 stop7h 26m

$319
Quickest round-trip

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Mon 7/20

5:03 pm-12:41 am

1 stop6h 38m

Washington, D.C. Dulles Intl

Sat 7/25

10:58 am-2:34 pm

1 stop4h 36m

$369

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Thu 7/16

5:03 pm-12:41 am

1 stop6h 38m

Washington, D.C. Dulles Intl

Mon 7/20

6:00 am-10:52 am

1 stop5h 52m

$369

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Sat 9/5

4:04 pm-11:55 pm

1 stop6h 51m

Washington, D.C. Dulles Intl

Fri 9/18

6:30 am-11:15 am

1 stop5h 45m

$403

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Tue 7/14

4:09 pm-12:31 am

1 stop7h 22m

Washington, D.C. Dulles Intl

Sat 7/18

2:53 pm-7:26 pm

1 stop5h 33m

$415

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Sat 8/22

10:49 am-10:55 pm

2 stops11h 06m

Washington, D.C. Dulles Intl

Sun 8/30

6:25 pm-10:02 pm

1 stop4h 37m

$422
Cheapest one-way
Quickest one-way

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Mon 11/30

3:10 pm-9:12 pm

1 stop5h 02m

$384

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Mon 7/20

1:53 pm-12:10 am

2 stops9h 17m

$384

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Mon 11/30

7:08 pm-2:03 pm

2 stops17h 55m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Sorted by cheapest first

Compare providers for flights from Lafayette to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lafayette to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lafayette-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lafayette-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lafayette-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lafayette-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lafayette-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lafayette to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Lafayette 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 2, 2026.
See what other customers who have flown with Delta from Lafayette to Washington, D.C. Dulles Intl Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,452 reviews

Entertainment

7.8

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews

Entertainment

7.8

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.

Related info for your journey

Find useful and relevant information for your journey from Lafayette to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Lafayette to Washington, D.C. Dulles Intl?

    Most people fly from Lafayette Regional (LFT) if they book a flight from Lafayette to Washington, D.C. Dulles Intl. On average, Lafayette Regional has 0 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Lafayette Regional is conveniently located just 2.3 mi from Lafayette’s city center.

  • How long is the flight from Lafayette to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Lafayette to Washington, D.C. Dulles Intl Airport in 5h 55m. Fly via Delta or American Airlines to get the fastest option. There are 1021 mi between Lafayette and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Lafayette to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $258, Delta will fly you from Lafayette to Washington, D.C. Dulles Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lafayette to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Chantilly
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Lafayette to Dulles Intl

Discover the top airline that operate flights from Lafayette to Dulles Intl. 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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$299FlexibilityNo cancel feeOn-timeN/A

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