Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Glasgow Intl Airport to Washington, D.C. from $312

This is the cheapest one-way 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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.
Search flight deals

Find the cheapest flights from Glasgow Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
12:35 pm - 6:30 pm
GLA
-
IAD
10h 55m
1 stop
Icelandair Logo
7:40 pm - 9:55 am
IAD
-
GLA
9h 15m
1 stop
$623Icelandair
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
8:20 am - 6:30 pm
GLA
-
IAD
15h 10m
2 stops
Multiple Airlines Logo
8:40 pm - 3:40 pm
IAD
-
GLA
15h 00m
2 stops
$650Multiple Airlines
Thu, Mar 5 - Sat, Mar 21
Multiple Airlines Logo
1:25 pm - 4:05 pm
GLA
-
IAD
31h 40m
1 stop
Multiple Airlines Logo
7:59 pm - 12:45 pm
IAD
-
GLA
12h 46m
2 stops
$667Multiple Airlines
Thu, Mar 5 - Sat, Mar 21
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:30 pm - 1:25 pm
IAD
-
GLA
11h 55m
1 stop
$673Icelandair
Thu, Jul 2 - Mon, Jul 6
Air France Logo
9:05 am - 4:05 pm
GLA
-
IAD
12h 00m
1 stop
Air France Logo
7:05 pm - 10:10 pm
IAD
-
GLA
23h 05m
1 stop
$674Air France
Thu, Mar 5 - Sat, Mar 21
Lufthansa Logo
6:00 am - 4:50 pm
GLA
-
IAD
14h 50m
1 stop
Lufthansa Logo
7:00 pm - 12:05 pm
IAD
-
GLA
13h 05m
1 stop
$695Lufthansa
Sat, Mar 14 - Sat, Mar 21
Lufthansa Logo
12:50 pm - 9:15 pm
GLA
-
IAD
12h 25m
1 stop
Lufthansa Logo
6:15 pm - 12:20 pm
IAD
-
GLA
14h 05m
1 stop
$696Lufthansa
Fri, Mar 13 - Fri, Mar 20
KLM Logo
6:05 am - 4:05 pm
GLA
-
IAD
15h 00m
1 stop
KLM Logo
6:05 pm - 10:10 pm
IAD
-
GLA
23h 05m
1 stop
$706KLM
Tue, Feb 10 - Tue, Feb 24
KLM Logo
6:05 am - 4:46 pm
GLA
-
IAD
15h 41m
2 stops
KLM Logo
12:38 pm - 8:30 am
IAD
-
GLA
14h 52m
2 stops
$712KLM
Tue, Feb 10 - Tue, Feb 24
Multiple Airlines Logo
7:15 am - 8:26 pm
GLA
-
IAD
18h 11m
2 stops
Multiple Airlines Logo
8:40 pm - 10:40 pm
IAD
-
GLA
22h 00m
3 stops
$724Multiple Airlines
Thu, Mar 5 - Sat, Mar 21

Icelandair flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Feb 25
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 4
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$623
Icelandair
Feb 6
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 14
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$637
Icelandair
Jul 2
GLA2:20 pmGlasgow Intl
10h 00m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Jul 6
IAD8:30 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
GLA1:25 pmGlasgow Intl
$673

KLM flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

Our best KLM deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Feb 10
GLA6:05 amGlasgow Intl
15h 00m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Feb 24
IAD6:05 pmWashington, D.C. Dulles Intl
23h 05m
1 stop
GLA10:10 pmGlasgow Intl
$706
KLM
Feb 10
GLA6:05 amGlasgow Intl
15h 41m
2 stops
IAD4:46 pmWashington, D.C. Dulles Intl
Feb 24
IAD12:38 pmWashington, D.C. Dulles Intl
14h 52m
2 stops
GLA8:30 amGlasgow Intl
$712
KLM
Mar 13
GLA6:05 amGlasgow Intl
15h 30m
2 stops
IAD5:35 pmWashington, D.C. Dulles Intl
Mar 20
IAD10:40 pmWashington, D.C. Dulles Intl
13h 55m
2 stops
GLA4:35 pmGlasgow Intl
$919

momondo Fare Finder

 
Customize your flight search to find flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 2/25

12:35 pm-6:30 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-9:55 am

1 stop9h 15m

$623

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 3/5

8:20 am-6:30 pm

2 stops15h 10m

Washington, D.C. Dulles Intl

Sat 3/21

8:40 pm-3:40 pm

2 stops15h 00m

$650

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 3/5

1:25 pm-4:05 pm

1 stop31h 40m

Washington, D.C. Dulles Intl

Sat 3/21

7:59 pm-12:45 pm

2 stops12h 46m

$667

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 7/2

2:20 pm-7:20 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Mon 7/6

8:30 pm-1:25 pm

1 stop11h 55m

$673

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 3/5

9:05 am-4:05 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

Sat 3/21

7:05 pm-10:10 pm

1 stop23h 05m

$674

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 3/14

6:00 am-4:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Sat 3/21

7:00 pm-12:05 pm

1 stop13h 05m

$695

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 3/13

12:50 pm-9:15 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Fri 3/20

6:15 pm-12:20 pm

1 stop14h 05m

$696

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 2/10

6:05 am-4:05 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Tue 2/24

6:05 pm-10:10 pm

1 stop23h 05m

$706

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 2/10

6:05 am-4:46 pm

2 stops15h 41m

Washington, D.C. Dulles Intl

Tue 2/24

12:38 pm-8:30 am

2 stops14h 52m

$712

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 3/5

7:15 am-8:26 pm

2 stops18h 11m

Washington, D.C. Dulles Intl

Sat 3/21

8:40 pm-10:40 pm

3 stops22h 00m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, January is the cheapest month to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $664. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $695.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $800 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport for as low as $687 on momondo.

How have Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of January 2026, prices for Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 57% more expensive when compared to flights at the same time last year.

When to book flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport (GLA to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport takes 10h 00m
There are no direct flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Glasgow Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Glasgow Intl and Washington, D.C. Dulles Intl is about 3426.2 mi. 10h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $802Free CancellationRating
7.2
1,443 reviews
Search Aer Lingus flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to Washington, D.C.?

It is quick and easy to find Glasgow to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Glasgow to Washington, D.C. with flexible booking policies on momondo?

Flights from Glasgow to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Price alerts on flights to Washington, D.C. from Glasgow are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.