$398 Cheap Flights from Washington (IAD) to Birmingham (BHX)

View $398 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX)

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Cheap Flights from Washington to Birmingham (IAD-BHX)

Prices were available within the past 7 days and start at $398 for one-way flights and $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, Feb 10 - Wed, Feb 18
IAD
Washington
BHX
Birmingham
$636 Roundtrip, found 17 hours ago
$636
Roundtrip
found 17 hours ago
Select Scandinavian Airlines flight, departing Tue, Feb 10 from Washington to Birmingham, returning Wed, Feb 18, priced at $636 found 17 hours ago
United
Wed, Jan 28 - Tue, Feb 3
IAD
Washington
BHX
Birmingham
$639 Roundtrip, found 5 days ago
$639
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 28 from Washington to Birmingham, returning Tue, Feb 3, priced at $639 found 5 days ago
Swiss International Air Lines
Thu, Oct 16 - Mon, Oct 20
IAD
Washington
BHX
Birmingham
$639 Roundtrip, just found
$639
Roundtrip
just found
Select Swiss International Air Lines flight, departing Thu, Oct 16 from Washington to Birmingham, returning Mon, Oct 20, priced at $639 just found
Aer Lingus
Tue, Oct 21 - Tue, Nov 4
IAD
Washington
BHX
Birmingham
$639 Roundtrip, found 1 day ago
$639
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Oct 21 from Washington to Birmingham, returning Tue, Nov 4, priced at $639 found 1 day ago
Lufthansa
Thu, Oct 2 - Mon, Oct 6
IAD
Washington
BHX
Birmingham
$643 Roundtrip, just found
$643
Roundtrip
just found
Select Lufthansa flight, departing Thu, Oct 2 from Washington to Birmingham, returning Mon, Oct 6, priced at $643 just found
Swiss International Air Lines
Sat, Mar 21 - Tue, Mar 31
IAD
Washington
BHX
Birmingham
$644 Roundtrip, found 4 hours ago
$644
Roundtrip
found 4 hours ago
Select Swiss International Air Lines flight, departing Sat, Mar 21 from Washington to Birmingham, returning Tue, Mar 31, priced at $644 found 4 hours ago
Lufthansa
Thu, Oct 16 - Mon, Oct 20
IAD
Washington
BHX
Birmingham
$646 Roundtrip, just found
$646
Roundtrip
just found
Select Lufthansa flight, departing Thu, Oct 16 from Washington to Birmingham, returning Mon, Oct 20, priced at $646 just found
Lufthansa
Wed, Oct 22 - Mon, Oct 27
IAD
Washington
BHX
Birmingham
$646 Roundtrip, just found
$646
Roundtrip
just found
Select Lufthansa flight, departing Wed, Oct 22 from Washington to Birmingham, returning Mon, Oct 27, priced at $646 just found
Lufthansa
Sat, Mar 21 - Tue, Mar 31
IAD
Washington
BHX
Birmingham
$649 Roundtrip, found 4 hours ago
$649
Roundtrip
found 4 hours ago
Select Lufthansa flight, departing Sat, Mar 21 from Washington to Birmingham, returning Tue, Mar 31, priced at $649 found 4 hours ago
Delta
Fri, Sep 26 - Mon, Sep 29
IAD
Washington
BHX
Birmingham
$649 Roundtrip, found 4 days ago
$649
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 26 from Washington to Birmingham, returning Mon, Sep 29, priced at $649 found 4 days ago
Flights from Washington (IAD) to Birmingham (BHX)
Origin airport
Washington Dulles Intl.
Destination airport
Birmingham
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$635
Distance
3594 mi

Washington to Birmingham Flights

The cheapest times to fly from Washington to Birmingham

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

 

The best time to book a flight from Washington to Birmingham

Sunday is one of the best days to book for cheap flights from Washington to Birmingham: 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 Washington to Birmingham

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 Washington to Birmingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $398 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 Washington to Birmingham 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 Washington to Birmingham 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 Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX) cost?
Get a cheap one-way flight from $398 or cheap return flight from $636 from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX)?
The cheapest month to fly from IAD to BHX is February, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAD to BHX flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX)?
There are no daily direct flights departing from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from IAD to BHX?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the season 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 Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX) last-minute?
Last-minute fares from IAD to BHX are typically more expensive. To secure the best rates, start looking for flights early. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book an IAD to BHX flight and hotel package?
Booking an IAD to BHX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Birmingham Airport (BHX)?
It's generally possible to cancel or reschedule your IAD to BHX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.