$207 Cheap Flights from Baltimore (BWI) to Lafayette (LAF)

View $207 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Lafayette, IN (LAF-Purdue University)

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Cheap Flights from Baltimore to Lafayette (BWI-LAF)

Prices were available within the past 7 days and start at $207 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 8 - Sun, Nov 9
BWI
Baltimore
LAF
Lafayette
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Baltimore to Lafayette, returning Sun, Nov 9, priced at $244 found 1 day ago
United
Fri, Sep 12 - Mon, Sep 15
BWI
Baltimore
LAF
Lafayette
$254 Roundtrip, found 9 hours ago
$254
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Sep 12 from Baltimore to Lafayette, returning Mon, Sep 15, priced at $254 found 9 hours ago
United
Thu, Oct 16 - Sun, Oct 19
BWI
Baltimore
LAF
Lafayette
$269 Roundtrip, found 4 days ago
$269
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 16 from Baltimore to Lafayette, returning Sun, Oct 19, priced at $269 found 4 days ago
United
Fri, Sep 19 - Mon, Sep 22
BWI
Baltimore
LAF
Lafayette
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 19 from Baltimore to Lafayette, returning Mon, Sep 22, priced at $272 found 1 day ago
United
Sat, Nov 8 - Sun, Nov 9
BWI
Baltimore
LAF
Lafayette
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Baltimore to Lafayette, returning Sun, Nov 9, priced at $275 found 1 day ago
United
Fri, Sep 12 - Fri, Sep 19
BWI
Baltimore
LAF
Lafayette
$277 Roundtrip, found 7 hours ago
$277
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 12 from Baltimore to Lafayette, returning Fri, Sep 19, priced at $277 found 7 hours ago
United
Mon, Sep 8 - Mon, Sep 15
BWI
Baltimore
LAF
Lafayette
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 8 from Baltimore to Lafayette, returning Mon, Sep 15, priced at $283 found 4 days ago
United
Thu, Oct 16 - Sun, Oct 19
BWI
Baltimore
LAF
Lafayette
$296 Roundtrip, found 4 days ago
$296
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 16 from Baltimore to Lafayette, returning Sun, Oct 19, priced at $296 found 4 days ago
United
Fri, Oct 10 - Tue, Oct 14
BWI
Baltimore
LAF
Lafayette
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Baltimore to Lafayette, returning Tue, Oct 14, priced at $310 found 5 days ago
United
Fri, Oct 10 - Sun, Oct 12
BWI
Baltimore
LAF
Lafayette
$311 Roundtrip, found 2 days ago
$311
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Baltimore to Lafayette, returning Sun, Oct 12, priced at $311 found 2 days ago

Alternative airports near Lafayette

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Purdue University LAF. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $381
LAF
Purdue University
CheapestClosest
Average driving time to city center8 min
Flights from $381
Flights from Baltimore (BWI) to Lafayette (LAF)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Purdue University
Airlines serving
United
Roundtrip price
$244
Distance
551 mi

Baltimore to Lafayette Flights

The cheapest times to fly from Baltimore to Lafayette

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 Baltimore to Lafayette are during the month of November. You can find some of the cheapest flights from Baltimore to Lafayette with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Lafayette

Sunday is one of the best days to book for cheap flights from Baltimore to Lafayette: 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 Baltimore to Lafayette

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 Baltimore to Lafayette in 2025. You can also book with separate airlines for your outbound and return journeys, from $207 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 Baltimore to Lafayette 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 Baltimore to Lafayette 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.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University) cost?
Snag a cheap one-way flight from $207 or cheap return flight from $244 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University)?
November is the cheapest month to fly from BWI to LAF. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University)?
To find the cheapest airline flying from BWI to LAF, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University)?
There aren't any daily direct flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BWI to LAF?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University)?
To touch down at Lafayette, IN (LAF-Purdue University) on time, select a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for West Lafayette from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Indianapolis Intl. Airport (IND) is the only airport in West Lafayette with direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Compare your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University) last-minute?
Booking your ticket from BWI to LAF right before your trip is usually more expensive. However, if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a BWI to LAF flight and hotel package?
You'll generally save money by booking a BWI to LAF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lafayette, IN (LAF-Purdue University)?
In most cases, you're able to reschedule or cancel your BWI to LAF flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.