HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lafayette

$68+ Cheap flights from Washington, D.C. (WAS) to Lafayette, IN, IN

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — IND
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Lafayette 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. to Lafayette are usually found in August or July, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to Lafayette

Keep the following information in mind while searching for Washington, D.C. to Lafayette flight deals. Data was last updated September 17, 2025.

Round-trip from

$143
(Priceline)

One-way from

$68
(United Airlines)

Popular in

September

Cheapest in

August

Average price

$361
From Washington, D.C. (WAS) to Lafayette
Search Deals
One-way flight from Washington, D.C. (WAS) to Lafayette
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Washington, D.C. to Lafayette

Cheapest flights from Washington, D.C. to Lafayette
Explore the most affordable flight options available from Washington, D.C. to Lafayette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:23 amBWI - IND
1 stop7h 35mFrontier
Mon 10/612:06 pmIND - BWI
1 stop7h 04mFrontier
Deal found 9/16$143
This Frontier deal was found by Cheapflights users on 9/15. 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.
Fri 11/145:50 amBWI - IND
1 stop5h 32mFrontier
Mon 11/1710:14 pmIND - BWI
1 stop12h 06mFrontier
Deal found 9/15$144
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:23 amBWI - IND
1 stop7h 35mFrontier
Fri 9/266:21 pmIND - BWI
1 stop21h 08mFrontier
Deal found 9/16$156
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/236:00 amBWI - IND
1 stop4h 09mAmerican Airlines
Mon 10/276:56 pmIND - BWI
1 stop5h 37mAmerican Airlines
Deal found 9/14$159
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/205:20 pmBWI - IND
1 stop4h 36mUnited Airlines
Wed 10/2212:11 pmIND - BWI
1 stop5h 15mUnited Airlines
Deal found 9/15$165
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Thu 10/28:14 pmBWI - IND
1 stop14h 57mFrontier
Sun 10/57:34 pmIND - BWI
1 stop22h 31mFrontier
Deal found 9/16$169
This Orbitz deal was found by Cheapflights users on 9/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:16 amBWI - IND
1 stop11h 03mMultiple Airlines
Tue 10/145:30 amIND - BWI
1 stop7h 10mMultiple Airlines
Deal found 9/17$170
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:24 pmBWI - IND
1 stop25h 34mFrontier
Sun 10/57:34 pmIND - BWI
1 stop22h 31mFrontier
Deal found 9/16$171
This Frontier deal was found by Cheapflights users on 9/17. 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.
Fri 10/316:00 amBWI - IND
1 stop5h 22mFrontier
Sun 11/210:04 pmIND - BWI
1 stop10h 30mFrontier
Deal found 9/17$173
This Frontier deal was found by Cheapflights users on 9/16. 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.
Thu 10/236:37 pmBWI - IND
1 stop13h 24mFrontier
Mon 10/2710:23 pmIND - BWI
1 stop11h 57mFrontier
Deal found 9/16$174
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/1512:54 pmDCA - IND
1 stop4h 41mAmerican Airlines
Wed 10/226:02 amIND - DCA
Nonstop1h 42mAmerican Airlines
Deal found 9/14$192
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:58 pmIAD - IND
1 stop22h 41mFrontier
Sun 10/2610:06 pmIND - IAD
1 stop23h 32mFrontier
Deal found 9/16$193

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Lafayette 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 September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Lafayette that are best for you.

Fly from

Washington, D.C.

Fly to

Lafayette

Route

Depart

Return

Price

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Mon 10/20

5:20 pm-9:56 pm

1 stop4h 36m

Indianapolis

Wed 10/22

12:11 pm-5:26 pm

1 stop5h 15m

$165

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Thu 10/23

6:37 pm-8:01 am

1 stop13h 24m

Indianapolis

Sun 10/26

10:06 pm-8:34 am

1 stop10h 28m

$185

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Fri 10/24

12:29 pm-9:28 pm

1 stop8h 59m

Indianapolis

Sun 10/26

10:06 pm-8:34 am

1 stop10h 28m

$195

Washington, D.C.Indianapolis

IAD - IND

IADIND

Washington, D.C. Dulles Intl

Tue 11/11

6:00 am-1:25 pm

1 stop7h 25m

Indianapolis

Wed 11/12

6:00 am-11:36 am

1 stop5h 36m

$197

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Sat 10/25

4:44 pm-9:43 pm

1 stop4h 59m

Indianapolis

Mon 10/27

6:30 am-11:34 am

1 stop5h 04m

$197

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Sat 10/25

6:32 pm-8:44 am

1 stop14h 12m

Indianapolis

Sun 10/26

10:06 pm-8:34 am

1 stop10h 28m

$197

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Wed 10/15

6:00 am-9:53 am

1 stop3h 53m

Indianapolis

Fri 10/17

7:59 pm-12:41 am

1 stop4h 42m

$197

BaltimoreIndianapolis

BWI - IND

BWIIND

Baltimore/Washington

Thu 11/27

1:51 pm-6:50 pm

1 stop4h 59m

Indianapolis

Fri 11/28

6:25 am-10:02 am

1 stop3h 37m

$197

Washington, D.C.Indianapolis

DCA - IND

DCAIND

Washington, D.C. Reagan-National

Wed 10/15

6:00 am-12:05 pm

1 stop6h 05m

Indianapolis

Wed 10/22

6:25 am-12:50 pm

2 stops6h 25m

$202

Washington, D.C.Indianapolis

DCA - IND

DCAIND

Washington, D.C. Reagan-National

Tue 11/11

6:10 am-12:20 pm

1 stop6h 10m

Indianapolis

Thu 11/13

5:10 am-11:00 am

1 stop5h 50m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Lafayette

Have a flexible travel schedule? Discover the best time to fly to Lafayette from Washington, D.C. 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. to Lafayette

How far ahead should I book a flight from Washington, D.C. to Lafayette?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Lafayette. Price data was last updated on September 12, 2025.

Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Lafayette. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Lafayette?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Lafayette (average of $286). Flying from Washington, D.C. to Lafayette in March is currently the most expensive (average of $360). 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 WAS to L4F?

Find hourly flight availability from Washington, D.C. to Lafayette. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Washington, D.C. to Lafayette, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Washington, D.C. to Lafayette?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Lafayette. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Lafayette flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Lafayette

Explore weekly flight availability from Washington, D.C. to Lafayette. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from WAS to L4F are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Washington, D.C. to Lafayette?

Reviews of airlines servicing Lafayette

Get insights into the airlines that provide service to Lafayette. 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 Lafayette. Reviews last updated September 17, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. to Lafayette have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

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

    United Airlines, Frontier, and Delta can get you from Washington, D.C. to Lafayette in just under 4h 36m. Your travel time can differ by up to 8h 48m. Washington, D.C. and Lafayette are separated by a distance of 515 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Lafayette one-way?

    $68 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $120 and $120, respectively.

  • What are the most popular routes from Washington, D.C. to Lafayette?

    While some choose either Baltimore/Washington - Indianapolis or Washington, D.C. Reagan-National - Indianapolis, Washington, D.C. Dulles Intl - Indianapolis is the most popular route from Washington, D.C. to Lafayette.

  • What are the most reliable airlines from Washington, D.C. to Lafayette?

    Consider Avianca (84%), Copa Airlines (84%) or Republic Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Lafayette.

  • What are the cheapest flights from Washington, D.C. to Lafayette?

    On average you can expect to pay $240 for a flight from Washington, D.C. to Lafayette. The cheapest flight overall is $109 while the most popular route, (Washington, D.C. Dulles Intl - Indianapolis) is currently priced at $115.

  • Can I find deals for flights from Washington, D.C. to Lafayette that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Lafayette flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Lafayette?

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

  • Can I find deals for business class flights from Washington, D.C. to Lafayette?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Lafayette 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. to Lafayette?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Lafayette (average of $286). Flying from Washington, D.C. to Lafayette in March is currently the most expensive (average of $360). 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 Washington, D.C. to Lafayette

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Midway flights
Reagan-National to Midway flights
Dulles Intl to Indianapolis flights
Reagan-National to Cincinnati flights
Dulles Intl to Cincinnati flights
Reagan-National to Indianapolis flights
Dulles Intl to Louisville flights
Reagan-National to Louisville flights
Dulles Intl to South Bend flights
Reagan-National to South Bend flights
Dulles Intl to Dayton flights
Reagan-National to Dayton flights
Dulles Intl to Fort Wayne flights
Dulles Intl to Kalamazoo flights
Reagan-National to Fort Wayne flights
Reagan-National to Kalamazoo flights
Dulles Intl to Evansville flights
Reagan-National to Evansville flights
Reagan-National to Owensboro flights

Top 6 airlines flying from Washington, D.C. to Lafayette

Discover the top 6 airlines that operate flights from Washington, D.C. to Lafayette. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$34Average$86FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$82Average$236FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$98Average$353FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$364FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$176Average$374FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$338FlexibilityNo 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.