$405 Cheap Flights from Washington (DCA) to Glasgow (GLA)

View $405 flight on Mon, Aug 4, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Glasgow (DCA-GLA)

Prices were available within the past 7 days and start at $405 for one-way flights and $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, May 5 - Mon, May 12
DCA
Washington
GLA
Glasgow
$662 Roundtrip, found 2 days ago
$662
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, May 5 from Washington to Glasgow, returning Mon, May 12, priced at $662 found 2 days ago
American Airlines
Wed, Aug 13 - Thu, Aug 21
DCA
Washington
GLA
Glasgow
$662 Roundtrip, found 1 day ago
$662
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 13 from Washington to Glasgow, returning Thu, Aug 21, priced at $662 found 1 day ago
British Airways
Wed, Aug 27 - Sun, Aug 31
DCA
Washington
GLA
Glasgow
$663 Roundtrip, found 5 days ago
$663
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Aug 27 from Washington to Glasgow, returning Sun, Aug 31, priced at $663 found 5 days ago
British Airways
Wed, May 7 - Tue, May 20
DCA
Washington
GLA
Glasgow
$666 Roundtrip, found 3 hours ago
$666
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, May 7 from Washington to Glasgow, returning Tue, May 20, priced at $666 found 3 hours ago
Iberia
Tue, Oct 21 - Fri, Oct 31
DCA
Washington
GLA
Glasgow
$671 Roundtrip, found 2 days ago
$671
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Oct 21 from Washington to Glasgow, returning Fri, Oct 31, priced at $671 found 2 days ago
Iberia
Wed, Oct 8 - Fri, Oct 17
DCA
Washington
GLA
Glasgow
$671 Roundtrip, found 5 days ago
$671
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Oct 8 from Washington to Glasgow, returning Fri, Oct 17, priced at $671 found 5 days ago
American Airlines
Thu, Oct 2 - Wed, Oct 8
DCA
Washington
GLA
Glasgow
$673 Roundtrip, found 15 hours ago
$673
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Oct 2 from Washington to Glasgow, returning Wed, Oct 8, priced at $673 found 15 hours ago
British Airways
Wed, May 7 - Tue, May 20
DCA
Washington
GLA
Glasgow
$675 Roundtrip, found 3 hours ago
$675
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, May 7 from Washington to Glasgow, returning Tue, May 20, priced at $675 found 3 hours ago
Delta
Mon, Oct 20 - Fri, Oct 31
DCA
Washington
GLA
Glasgow
$691 Roundtrip, found 6 days ago
$691
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Oct 20 from Washington to Glasgow, returning Fri, Oct 31, priced at $691 found 6 days ago
Virgin Atlantic
Thu, Mar 5 - Mon, Mar 9
DCA
Washington
GLA
Glasgow
$691 Roundtrip, found 5 days ago
$691
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Thu, Mar 5 from Washington to Glasgow, returning Mon, Mar 9, priced at $691 found 5 days ago
Flights from Washington (DCA) to Glasgow (GLA)
Origin airport
Ronald Reagan Washington National
Destination airport
Glasgow Intl.
Airlines serving
Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Virgin Atlantic
Roundtrip price
$661
Distance
3417 mi

Washington to Glasgow Flights

The cheapest times to fly from Washington to Glasgow

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

The best time to book a flight from Washington to Glasgow

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

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 Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from $405 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 Glasgow 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 Glasgow 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 Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA) cost?
Discover the latest flight deals from DCA to GLA 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 DCA to GLA?
The cheapest flights from DCA to GLA 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 DCA to GLA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DCA to GLA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA)?
You’ll have to catch a flight with a layover if you’re traveling from Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DCA to GLA?
Usually you’ll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA)?
Opt for a flight from Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA) last-minute?
Last-minute bookings from DCA to GLA are usually more expensive. To secure the best rates, start looking for flights as early as possible. That said, if you can play around with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a DCA to GLA flight and hotel package?
Securing a DCA to GLA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Glasgow Intl. Airport (GLA)?
If you reserved your DCA to GLA flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.