Cheap Flights from Glasgow to Washington Dulles

Compare Glasgow to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Glasgow to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Glasgow to Washington Dulles Airport? If you want to travel next month, return fares start from R 11,497. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Glasgow to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Glasgow to Washington Dulles flights are currently cheapest in September.

Glasgow to Washington Dulles: Alternative routes

Compare routes from Glasgow to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Glasgow to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 5,716
Cheapest month to flySeptember

Finding cheap flights from Glasgow to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Glasgow to Washington Dulles is R 10,816. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Glasgow to Washington Dulles. But we found flights with one stop from R 10,798.
As of July 2026, there are no flights flying from Glasgow to Washington Dulles.
The cheapest month to fly from Glasgow to Washington Dulles is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to Washington Dulles Airport on Sunday, 20 September 2026.
No airlines currently offer direct flights between Glasgow and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Washington Dulles is Ryanair .

Travelling from Glasgow to Washington Dulles International Airport (IAD): What you need to know

  • The timezone in Washington DC is UTC-5, which is five hours behind Glasgow. Washington Dulles International Airport is located in Washington DC.

  • To ensure you catch your flight from Glasgow to IAD, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • You can expect longer queues during popular months like September and other peak seasons. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

Airports in Glasgow

Glasgow Airport (GLA)

  • Think about adding a stopover to find cheap flights from Glasgow to IAD. Simply uncheck 'Direct flights only' when browsing departures from Glasgow Airport (GLA). Break the trip up (and maybe score a better deal) by stopping at one of these popular airports:

    • London Heathrow Airport (LHR)

    • Dublin Airport (DUB)

    • Keflavik Airport (KEF)

  • GLA is about 13 kilometres from central Glasgow. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 30 minutes.

  • Want a stress-free start to your break? Stay near Glasgow Airport. Whether you have an early flight from Glasgow to Washington Dulles International Airport or just don't want to be rushed, these hotels offer the perfect solution:

  • Glasgow Airport gets high marks for on-time performance. 81% of flights that depart GLA reach their destination without delay.

Glasgow Prestwick Airport (PIK)

  • Make the most of your trip with a stopover on your flight from Glasgow to Washington Dulles International Airport. Barcelona-El Prat Airport (BCN) is a great option between Glasgow Prestwick Airport and IAD.

  • On public transport, you can travel from central Glasgow to PIK in about 55 minutes. The terminal is roughly 48 kilometres away, and making the journey by car takes approximately 50 minutes.

  • Start your holiday early with an additional night away from home. Before your Glasgow to IAD flight, stay in one of these hotels near Glasgow Prestwick Airport:

  • Glasgow Prestwick Airport has a strong track record for reliability and timeliness. 83% of flights departing here land when expected.

About Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • From Washington Dulles International Airport, central Washington DC is around 40 kilometres away. It takes about 45 minutes to reach the city centre by car.

  • If you're travelling by public transport, expect a journey of about 1 hour 10 minutes.

How to find the cheapest flights from Glasgow to Washington Dulles International Airport (IAD)

  • The lowest price we've found for a one-way ticket from Glasgow to Washington Dulles International Airport is R 5,716. For a return flight on this route, the best price is R 10,816. Depending on how early you book and the availability, these fares could change.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from Glasgow to IAD if you book early. Airlines often have some amazing early bird deals.

  • Cheap Glasgow to Washington Dulles International Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' search function to compare fares across the month and then choose the cheapest day.

  • Save time looking for cheap plane tickets from Glasgow to IAD by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.

  • Filters make it easier to land a deal on your flight from Glasgow to Washington Dulles International Airport. Choose the flight times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Glasgow to Washington Dulles International Airport (IAD)

  • It's time to work out your travel dates for your flight from Glasgow to Washington Dulles International Airport (IAD). June is the busiest month to travel to Washington DC. If you're all about a more relaxed kind of trip, head there in February.

  • Before locking in your Glasgow to IAD plane ticket, consider what kind of weather you prefer. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • Look for cheap tickets from Glasgow to Washington Dulles International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF).

More about Washington DC

Explore more of the United States

  • You've visited Washington DC, now it's time to explore more of the United States. Journey around 225 kilometres northeast to Philadelphia to tick off its leading attractions. From Independence Hall to Liberty Bell and Philadelphia Museum of Art, you'll have a full itinerary ahead.

  • Around 274 kilometres southeast of Washington DC, Virginia Beach is another essential stop in the United States. No visit is complete without checking out Virginia Beach Boardwalk, Resort Beach and Neptune's Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.