$782 Cheap Aer Lingus flights Glasgow (GLA) to Washington (IAD)

View $782 flight on Mon, Aug 25, 2025Opens in a new window

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$782 Cheap Aer Lingus flights Glasgow (GLA) to Washington (IAD)

Prices were available within the past 7 days and start at $782 for one-way flights and $762 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, Sep 5 - Sun, Sep 7
GLA
Glasgow
IAD
Washington
$762 Roundtrip, found 5 days ago
$762
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Fri, Sep 5 from Glasgow to Washington, returning Sun, Sep 7, priced at $762 found 5 days ago
Aer Lingus
Sun, Oct 12 - Thu, Oct 23
GLA
Glasgow
IAD
Washington
$861 Roundtrip, found 2 days ago
$861
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Sun, Oct 12 from Glasgow to Washington, returning Thu, Oct 23, priced at $861 found 2 days ago
Flights from Glasgow (GLA) to Washington (IAD)
Origin airport
Glasgow Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Virgin Atlantic
Popular airline
British Airways
Distance
3428 mi

Frequently asked questions

How much is an Aer Lingus flight from Glasgow Intl. Airport (GLA) to Washington Dulles Intl. Airport (IAD)?
Landing cheap one-way Aer Lingus flights from GLA to IAD from $782 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $762 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from GLA to IAD with Aer Lingus?
Look for return or one-way flights to Washington in January or February. You could find cheaper fares with Aer Lingus during these off-peak months.
What is the cheapest time to book flights from Glasgow Intl. Airport (GLA) to Washington Dulles Intl. Airport (IAD) with Aer Lingus?
Snagging the best Aer Lingus deals from GLA to IAD is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start searching for flights about one month before your travel dates.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from Glasgow Intl. Airport (GLA) to Washington Dulles Intl. Airport (IAD)?
Click on the "Nonstop" filter when searching for direct Aer Lingus flights from GLA to IAD. It's also a great way to compare other airlines offering the same direct route.
What is the earliest Aer Lingus flight from GLA to IAD?
Sort your results by "Morning" and "Early Morning" to browse the earliest departures from GLA to IAD. Taking off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Washington?
Aer Lingus flights from Glasgow Intl. Airport (GLA) to Washington land at Washington Dulles Intl. Airport (IAD). This is the main gateway here.
What kind of luggage can I take on an Aer Lingus flight from Glasgow Intl. Airport (GLA) to Washington Dulles Intl. Airport (IAD)?
On a standard economy flight with Aer Lingus from GLA to IAD, you can bring 1 checked-in bag up to 50 lb with dimensions not exceeding 62 inches in total. For carry-on, you're permitted 1 cabin bag weighing up to 22 lb and measuring less than 21 inches x 15 inches x 9 inches. Size and weight limits can vary depending on your cabin class and fare type. To make sure you don't get caught with extra fees at the airport, double-check your Aer Lingus booking or look up the airline's website before you start packing.
Why fly with Aer Lingus from GLA to IAD?
Aer Lingus makes flying from GLA to IAD more comfortable with a rewarding loyalty program and a 4-star airline rating. You could even start collecting points with Aer Lingus AerClub. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from Glasgow Intl. Airport (GLA) to Washington Dulles Intl. Airport (IAD)?
Changes are usually free within 24 hours of booking, but your airline may add a charge after that time. For further details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your plans without being charged, check the "Changes included" and "No cancel fee" filters when organizing your next getaway.

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