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Cheap flights from Glasgow Intl Airport to Washington, D.C. from $405

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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
7:45 am - 6:30 pm
GLA
-
IAD
15h 45m2 stops
Multiple Airlines Logo
7:40 pm - 9:00 pm
IAD
-
GLA
20h 20m2 stops
$523Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
7:45 am - 3:35 pm
GLA
-
IAD
12h 50m1 stop
Multiple Airlines Logo
5:05 pm - 10:05 am
IAD
-
GLA
12h 00m1 stop
$576Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Icelandair Logo
11:15 am - 6:30 pm
GLA
-
IAD
12h 15m1 stop
Icelandair Logo
7:40 pm - 9:55 am
IAD
-
GLA
9h 15m1 stop
$595Icelandair
Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
8:25 am - 6:30 pm
GLA
-
IAD
15h 05m2 stops
Multiple Airlines Logo
7:40 pm - 8:00 pm
IAD
-
GLA
19h 20m2 stops
$628Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
8:25 am - 3:35 pm
GLA
-
IAD
12h 10m1 stop
Multiple Airlines Logo
5:05 pm - 9:05 am
IAD
-
GLA
11h 00m1 stop
$630Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Icelandair Logo
12:35 pm - 6:30 pm
GLA
-
IAD
10h 55m1 stop
Icelandair Logo
7:40 pm - 9:55 am
IAD
-
GLA
9h 15m1 stop
$639Icelandair
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
7:20 am - 3:35 pm
GLA
-
IAD
13h 15m1 stop
Multiple Airlines Logo
5:05 pm - 3:50 pm
IAD
-
GLA
17h 45m1 stop
$653Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
7:20 am - 3:35 pm
GLA
-
IAD
13h 15m1 stop
Multiple Airlines Logo
5:05 pm - 9:05 am
IAD
-
GLA
11h 00m1 stop
$655Multiple Airlines
Sat, Feb 28 - Fri, Mar 6
Icelandair Logo
12:35 pm - 6:30 pm
GLA
-
IAD
10h 55m1 stop
Icelandair Logo
7:40 pm - 9:55 am
IAD
-
GLA
9h 15m1 stop
$657Icelandair
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:20 am - 3:35 pm
GLA
-
IAD
12h 15m1 stop
British Airways Logo
9:45 pm - 3:50 pm
IAD
-
GLA
13h 05m1 stop
$667British Airways
Tue, Feb 10 - Tue, Feb 24

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
Jan 15
GLA11:15 amGlasgow Intl
12h 15m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Jan 22
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$595
Find similar
Icelandair
Jan 30
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 6
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$639
Find similar
Icelandair
Mar 1
GLA12:35 pmGlasgow Intl
10h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 5
IAD7:40 pmWashington, D.C. Dulles Intl
9h 15m
1 stop
GLA9:55 amGlasgow Intl
$657
Find similar

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

Our best British Airways deals on Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
Feb 10
GLA8:20 amGlasgow Intl
12h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 24
IAD9:45 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
GLA3:50 pmGlasgow Intl
$667
Find similar
British Airways
Feb 10
GLA12:45 pmGlasgow Intl
12h 10m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
Feb 24
IAD9:45 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
GLA3:50 pmGlasgow Intl
$673
Find similar
British Airways
Feb 10
GLA8:20 amGlasgow Intl
12h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 24
IAD3:13 pmWashington, D.C. Dulles Intl
14h 32m
2 stops
GLA10:45 amGlasgow Intl
$716
Find similar

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 December 18, 2025.
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 1/14

7:45 am-6:30 pm

2 stops15h 45m

Washington, D.C. Dulles Intl

Wed 1/21

7:40 pm-9:00 pm

2 stops20h 20m

$523

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 1/14

7:45 am-3:35 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Wed 1/21

5:05 pm-10:05 am

1 stop12h 00m

$576

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 1/15

11:15 am-6:30 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Thu 1/22

7:40 pm-9:55 am

1 stop9h 15m

$595

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 1/30

8:25 am-6:30 pm

2 stops15h 05m

Washington, D.C. Dulles Intl

Fri 2/6

7:40 pm-8:00 pm

2 stops19h 20m

$628

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 1/30

8:25 am-3:35 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Fri 2/6

5:05 pm-9:05 am

1 stop11h 00m

$630

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Fri 1/30

12:35 pm-6:30 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Fri 2/6

7:40 pm-9:55 am

1 stop9h 15m

$639

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 1/31

7:20 am-3:35 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Sat 2/7

5:05 pm-3:50 pm

1 stop17h 45m

$653

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 2/28

7:20 am-3:35 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Fri 3/6

5:05 pm-9:05 am

1 stop11h 00m

$655

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sun 3/1

12:35 pm-6:30 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Thu 3/5

7:40 pm-9:55 am

1 stop9h 15m

$657

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Tue 2/10

8:20 am-3:35 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Tue 2/24

9:45 pm-3:50 pm

1 stop13h 05m

$667

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, October 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 $695. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $714.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $600. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport for around $968.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $740 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,033 on average. Flights to Washington, D.C. Dulles Intl Airport from Glasgow Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $808 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 $656 on momondo.

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

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 55m

Direct flights

None
The fastest flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport takes 10h 55m
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 55m 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 $687Free CancellationRating
7.2
1,397 reviews
Search Aer Lingus flights

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

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Silver Spring
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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.

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