£243 Cheap Flights from Washington (IAD) to Glasgow (GLA)

View £243 flight on Sun, 16 Aug 2026Opens in a new window

Flight 1

Popular airlines from Washington Dulles International Airport (IAD) to Glasgow International Airport (GLA)

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Cheap Flights from Washington (IAD) to Glasgow (GLA)

Prices were available within the past 7 days and start at £243 for one-way flights and £642 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, 3 Nov - Sun, 8 Nov
IAD
Washington
GLA
Glasgow
£642 Return, found 18 hours ago
£642
Return
found 18 hours ago
Select Icelandair flight, departing Tue, 3 Nov from Washington to Glasgow, returning Sun, 8 Nov, priced at £642 found 18 hours ago
Icelandair
Sun, 25 Oct - Tue, 3 Nov
IAD
Washington
GLA
Glasgow
£643 Return, found 4 days ago
£643
Return
found 4 days ago
Select Icelandair flight, departing Sun, 25 Oct from Washington to Glasgow, returning Tue, 3 Nov, priced at £643 found 4 days ago
Icelandair
Sat, 26 Sept - Sun, 4 Oct
IAD
Washington
GLA
Glasgow
£649 Return, found 3 days ago
£649
Return
found 3 days ago
Select Icelandair flight, departing Sat, 26 Sept from Washington to Glasgow, returning Sun, 4 Oct, priced at £649 found 3 days ago
Icelandair
Mon, 21 Sept - Wed, 30 Sept
IAD
Washington
GLA
Glasgow
£655 Return, found 3 days ago
£655
Return
found 3 days ago
Select Icelandair flight, departing Mon, 21 Sept from Washington to Glasgow, returning Wed, 30 Sept, priced at £655 found 3 days ago
Icelandair
Sun, 24 May - Thu, 4 Jun
IAD
Washington
GLA
Glasgow
£686 Return, found 2 days ago
£686
Return
found 2 days ago
Select Icelandair flight, departing Sun, 24 May from Washington to Glasgow, returning Thu, 4 Jun, priced at £686 found 2 days ago
Icelandair
Wed, 27 May - Thu, 4 Jun
IAD
Washington
GLA
Glasgow
£703 Return, found 2 days ago
£703
Return
found 2 days ago
Select Icelandair flight, departing Wed, 27 May from Washington to Glasgow, returning Thu, 4 Jun, priced at £703 found 2 days ago
Finnair
Tue, 3 Nov - Fri, 6 Nov
IAD
Washington
GLA
Glasgow
£707 Return, found 18 hours ago
£707
Return
found 18 hours ago
Select Finnair flight, departing Tue, 3 Nov from Washington to Glasgow, returning Fri, 6 Nov, priced at £707 found 18 hours ago
Iberia
Tue, 3 Nov - Fri, 6 Nov
IAD
Washington
GLA
Glasgow
£707 Return, found 18 hours ago
£707
Return
found 18 hours ago
Select Iberia flight, departing Tue, 3 Nov from Washington to Glasgow, returning Fri, 6 Nov, priced at £707 found 18 hours ago
British Airways
Tue, 3 Nov - Fri, 6 Nov
IAD
Washington
GLA
Glasgow
£708 Return, found 18 hours ago
£708
Return
found 18 hours ago
Select British Airways flight, departing Tue, 3 Nov from Washington to Glasgow, returning Fri, 6 Nov, priced at £708 found 18 hours ago
Air France
Tue, 3 Nov - Fri, 6 Nov
IAD
Washington
GLA
Glasgow
£714 Return, found 18 hours ago
£714
Return
found 18 hours ago
Select Air France flight, departing Tue, 3 Nov from Washington to Glasgow, returning Fri, 6 Nov, priced at £714 found 18 hours ago

Alternative airports near Glasgow

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

Select flight to Glasgow Intl. GLA. Cheapest and Closest option available. Average driving time to city centre is 17 minutes. Flights from £952
GLA
Glasgow Intl.
CheapestClosest
Average driving time to city centre17 min
Flights from £952

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) cost?
One-way flights typically cost between £429 and £2,462 and return flights often range between £616 and £2,996. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
January is typically the cheapest month to fly from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA), with average return fares of approximately £475. This is about 17% lower than the average price throughout the year. January sees lower prices because it falls after the busy holiday travel season, when demand drops and airlines often offer more competitive fares. Other cheap months to fly from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA) include February and October.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
When planning your trip from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.), you'll find the cheapest flights in January and February, with average return prices around £475. These months are ideal if saving money is your top priority. However, if you're looking for the most flight options and a livelier travel period, June and December are the most popular months to fly. Keep in mind that prices during these popular times might be higher than in the off-peak months.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
There are approximately 59 connecting flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.). Some common connection points include Heathrow (LHR), Adolfo Suarez Madrid-Barajas (MAD), and Pearson Intl. (YYZ).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
The earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) typically departs at approximately 6:00 AM local time. This service is operated by American Airlines and British Airways, and it is a seasonal service active in January. An early departure like this can help you make the most of your time in Glasgow. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
You'll typically find the most flights from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA) on a Thursday, with around 55 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, British Airways, and Delta Air Lines. Flight schedules are consistent throughout the week, so you'll have a good selection of flights regardless of the day you choose to fly.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) are in the evening, from 6pm to 9pm. Approximately 33% of passengers prefer this time window. Many major carriers, including British Airways, Icelandair and American Airlines, offer flights during this window. These times work well because you can maximise your day in Washington, DC before your evening flight, and you'll arrive in Glasgow in the morning, ready to start your day.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
A flight from IAD to GLA with a layover takes around 13 hours 30 minutes, with the route covering approximately 3,429 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
Select the "Business class" and "First class" filters when looking for IAD to GLA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Glasgow from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly into Glasgow Intl. (GLA) to reach Glasgow. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Hartsfield-Jackson Atlanta Intl. (ATL), Dallas-Fort Worth Intl. (DFW) before reaching Glasgow. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) 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. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) 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 this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Glasgow Intl.
Airlines serving
Aer Lingus, Air France, British Airways, Finnair, Iberia, Icelandair, KLM, Lufthansa, Swiss International Air Lines, Virgin Atlantic
Return price
£642
Distance
5485 km

Book with confidence

Compare flights from Washington to Glasgow easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Glasgow. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Glasgow Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Glasgow Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA)

The easiest way to view the best deals on flights from Washington to Glasgow today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Glasgow Intl. start at just £642 and range up to £714.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Glasgow
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Glasgow flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Glasgow Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to Glasgow easily and book with confidence

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