$287 Cheap Flights from Twin Falls (TWF) to Baltimore (BWI)

View $287 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from Twin Falls, ID (TWF) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Twin Falls to Baltimore (TWF-BWI)

Prices were available within the past 7 days and start at $287 for one-way flights and $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Aug 29 - Wed, Sep 17
TWF
Twin Falls
BWI
Baltimore
$446 Roundtrip, found 6 hours ago
$446
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Aug 29 from Twin Falls to Baltimore, returning Wed, Sep 17, priced at $446 found 6 hours ago
Delta
Wed, Aug 13 - Tue, Aug 26
TWF
Twin Falls
BWI
Baltimore
$452 Roundtrip, found 4 days ago
$452
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Twin Falls to Baltimore, returning Tue, Aug 26, priced at $452 found 4 days ago
Delta
Mon, Sep 15 - Tue, Sep 30
TWF
Twin Falls
BWI
Baltimore
$456 Roundtrip, found 6 hours ago
$456
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Sep 15 from Twin Falls to Baltimore, returning Tue, Sep 30, priced at $456 found 6 hours ago
Delta
Mon, Aug 25 - Tue, Sep 9
TWF
Twin Falls
BWI
Baltimore
$456 Roundtrip, found 4 days ago
$456
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 25 from Twin Falls to Baltimore, returning Tue, Sep 9, priced at $456 found 4 days ago
Delta
Wed, Aug 13 - Thu, Aug 28
TWF
Twin Falls
BWI
Baltimore
$461 Roundtrip, found 4 days ago
$461
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Twin Falls to Baltimore, returning Thu, Aug 28, priced at $461 found 4 days ago
Delta
Wed, Aug 13 - Mon, Sep 1
TWF
Twin Falls
BWI
Baltimore
$462 Roundtrip, found 4 days ago
$462
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Twin Falls to Baltimore, returning Mon, Sep 1, priced at $462 found 4 days ago
Delta
Mon, Sep 15 - Sun, Sep 28
TWF
Twin Falls
BWI
Baltimore
$466 Roundtrip, found 6 hours ago
$466
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Sep 15 from Twin Falls to Baltimore, returning Sun, Sep 28, priced at $466 found 6 hours ago
Delta
Wed, Aug 13 - Tue, Aug 26
TWF
Twin Falls
BWI
Baltimore
$476 Roundtrip, found 12 hours ago
$476
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Aug 13 from Twin Falls to Baltimore, returning Tue, Aug 26, priced at $476 found 12 hours ago
Delta
Sun, Sep 14 - Tue, Sep 30
TWF
Twin Falls
BWI
Baltimore
$478 Roundtrip, found 6 hours ago
$478
Roundtrip
found 6 hours ago
Select Delta flight, departing Sun, Sep 14 from Twin Falls to Baltimore, returning Tue, Sep 30, priced at $478 found 6 hours ago
Delta
Mon, Aug 4 - Thu, Aug 21
TWF
Twin Falls
BWI
Baltimore
$485 Roundtrip, found 4 days ago
$485
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 4 from Twin Falls to Baltimore, returning Thu, Aug 21, priced at $485 found 4 days ago

Alternative airports near Baltimore

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $536
BWI
Baltimore Washington Intl. Thurgood Marshall
CheapestClosest
Average driving time to city center16 min
Flights from $536
Flights from Twin Falls (TWF) to Baltimore (BWI)
Origin airport
Twin Falls
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Delta
Roundtrip price
$446
Distance
1973 mi

Twin Falls to Baltimore Flights

The cheapest times to fly from Twin Falls to Baltimore

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

 

The best time to book a flight from Twin Falls to Baltimore

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

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 Twin Falls to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $287 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 Twin Falls to Baltimore 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 Twin Falls to Baltimore 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 Twin Falls Airport (TWF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Discover the latest flight deals from TWF to BWI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TWF to BWI?
The cheapest flights from TWF to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TWF to BWI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TWF to BWI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Twin Falls Airport (TWF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
There are no daily nonstop flights from Twin Falls Airport (TWF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from TWF to BWI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Twin Falls Airport (TWF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To touch down at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) without delays, book a flight that leaves Twin Falls Airport (TWF) 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.
Is it cheaper to buy a plane ticket from Twin Falls Airport (TWF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Waiting until right before your break to book your flight from TWF to BWI generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a TWF to BWI flight and hotel package?
You'll generally save money by booking a TWF to BWI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Twin Falls Airport (TWF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
It's usually possible to cancel or reschedule your TWF to BWI flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.