Cheap flights from Glasgow Intl Airport to Washington, D.C. from £368
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Washington, D.C. departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Glasgow Intl Airport to Washington, D.C.
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
British Airways flights from Glasgow Intl Airport to Washington, D.C.
Our best British Airways deals on Glasgow Intl Airport to Washington, D.C. flight tickets
American Airlines flights from Glasgow Intl Airport to Washington, D.C.
Our best American Airlines deals on Glasgow Intl Airport to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Glasgow Intl Airport to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Glasgow Intl Airport and Washington, D.C.?
What is the cheapest month to fly to Washington, D.C.?
The cheapest month to fly to Washington, D.C. from Glasgow Intl Airport is in February. Flight prices, which tend to average around £539, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until June to fly from Glasgow Intl Airport, when ticket prices are also cheap, with an average price of £558.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Glasgow Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £589. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Glasgow Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £654.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the morning is the cheapest time of day to fly from Glasgow Intl Airport to Washington, D.C. when you can find flight prices for as low as £568. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly at midday, with an average ticket price of £625. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Glasgow Intl Airport when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £626 when searching 13 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Glasgow Intl Airport for as low as £518 on momondo.
What is the cheapest airline that flies from Glasgow Intl to Washington, D.C.?
Aer Lingus, Icelandair, and British Airways are the most popular carriers operating from Glasgow Intl to Washington, D.C.
Which airlines fly to Washington, D.C.?
Icelandair, Aer Lingus and British Airways are the top three most popular airlines that fly to Washington, D.C. from Glasgow Intl Airport according to our data. Icelandair is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
When to book flights from Glasgow Intl Airport to Washington, D.C.
Cheap Glasgow Intl Airport to Washington, D.C. (GLA to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to Washington, D.C.
Best price found | £381 |
|---|---|
Fastest flight time | 10h 00m |
Direct flights | None |
Airports in Washington, D.C. | 3 airports |
How far is Glasgow Intl to Washington, D.C. by plane?
The distance between Glasgow Intl and Washington, D.C. is about 3412.6 mi. Typically, this will take 10h 00m by plane in normal conditions.
When did momondo last update prices for flights from Glasgow Intl Airport to Washington, D.C.?
Prices for flights from Glasgow Intl Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Glasgow Intl Airport to Washington, D.C.?
As of June 2025, there are 4 operators available to choose from for flights from Glasgow Intl Airport to Washington, D.C..
How old do you have to be to fly from Glasgow Intl Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Glasgow Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Glasgow Intl Airport to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Glasgow Intl Airport to Washington, D.C. is Icelandair, representing 47% of all bookings. The subsequent popular airlines are Aer Lingus at 27%, British Airways at 19%, and KLM at 7%.
Best airlines flying from Glasgow Intl Airport to Washington, D.C.
Compare and see reviews for airlines that fly from Glasgow Intl Airport to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £447 | Free Cancellation | Rating 6.6 7,056 reviews | |||
| PriceFrom £450 | Free Cancellation | Rating 7.0 505 reviews | |||
| PriceFrom £517 | Free Cancellation | Rating 7.1 1,129 reviews | |||
| PriceFrom £551 | Free Cancellation | Rating 7.8 1,365 reviews |
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Glasgow to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Glasgow to Washington, D.C. for you.
Can I find flights from Glasgow to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Glasgow which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Glasgow to Washington, D.C.?
Once all potential Glasgow to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Glasgow to Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Glasgow to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.