What are the cheapest airlines to fly from State of Washington to Scotland one-way?

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £209. WestJet flights start at £223 while deals on JetBlue start at £302 one-way.

How far in advance should I book a flight from State of Washington to Scotland?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 80% on flights from State of Washington to Scotland compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £643. For sooner than that we have options available in the next 3 days from £850.

What is the cheapest month to fly from State of Washington to Scotland?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Scotland. Flights to Scotland from State of Washington in October are about £793 on average during October, but can be found for as low as £492.

Can I find deals for flights from Washington to Scotland that include hotel bookings?

Yes. In addition to deals on Washington to Scotland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington to Scotland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Scotland.

Can I find deals for business class flights from Washington to Scotland?

Yes. Cheapflights offers flight deals from Washington to Scotland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£209+ Flights from Washington to Scotland

Cheap flight deals from Washington to Scotland

Round-trip from	£437
One-way from	£209
Popular in	June
Cheapest in	October
Average price	£697

Icelandair
2/10-19/10
2 total stops
25h 40m total
Washington to Scotland

Search Deals

Icelandair
11/5
1 total stop
14h 05m total
Washington to Scotland

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£102 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Washington to Scotland

Cheapest flights from Washington to Scotland
Explore the most affordable flight options available from Washington to Scotland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.

Sun 2/1105:55PDX - INV

2 stops21h 15mAmerican Airlines

Fri 14/1111:05INV - PDX

1 stop13h 30mAmerican Airlines

Deal found 21/4£432

Thu 2/1015:20PDX - GLA

1 stop14h 05mIcelandair

Sun 19/1014:20GLA - PDX

1 stop11h 35mIcelandair

Deal found 21/4£437

Sun 2/1105:55PDX - INV

2 stops21h 15mBritish Airways

Fri 14/1111:05INV - PDX

2 stops41h 56mBritish Airways

Deal found 21/4£444

Fri 12/919:25PDX - INV

1 stop16h 45mMultiple Airlines

Sun 21/920:55INV - PDX

1 stop28h 40mMultiple Airlines

Deal found 21/4£458

Wed 8/1019:00SEA - GLA

1 stop10h 25mIcelandair

Wed 22/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 20/4£477

Sun 24/816:00SEA - EDI

1 stop18h 10mScandinavian Airlines

Mon 1/919:45EDI - SEA

2 stops50h 05mScandinavian Airlines

Deal found 21/4£477

Mon 11/810:46SEA - INV

2 stops20h 14mAmerican Airlines

Wed 20/815:40INV - SEA

1 stop27h 55mAmerican Airlines

Deal found 22/4£483

Mon 11/810:46SEA - INV

2 stops20h 14mBritish Airways

Wed 20/815:40INV - SEA

2 stops38h 00mBritish Airways

Deal found 22/4£491

Mon 11/817:40SEA - INV

1 stop20h 35mAir France

Wed 20/806:25INV - SEA

1 stop13h 10mAir France

Deal found 21/4£500

Wed 1/1019:25PDX - GLA

1 stop14h 25mAmerican Airlines

Wed 8/1008:40GLA - PDX

1 stop16h 55mAmerican Airlines

Deal found 20/4£505

Tue 19/810:00PDX - EDI

2 stops29h 00mMultiple Airlines

Sat 30/823:35EDI - PDX

2 stops23h 10mMultiple Airlines

Deal found 22/4£507

Mon 25/819:25PDX - ABZ

1 stop15h 10mMultiple Airlines

Wed 17/920:20ABZ - PDX

1 stop29h 15mMultiple Airlines

Deal found 21/4£508

Best flights from Washington to Scotland
Discover carefully curated flight deals from Washington to Scotland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 April 2025.

Thu 2/1015:20PDX - GLA

1 stop14h 05mIcelandair

Sun 19/1014:20GLA - PDX

1 stop11h 35mIcelandair

Deal found 21/4£437

Fri 12/919:25PDX - INV

1 stop16h 45mAmerican Airlines

Wed 24/910:30INV - PDX

1 stop15h 05mAmerican Airlines

Deal found 21/4£442

Fri 12/919:25PDX - INV

1 stop16h 45mMultiple Airlines

Sun 21/920:55INV - PDX

1 stop28h 40mMultiple Airlines

Deal found 21/4£458

Fri 12/910:25PDX - INV

2 stops25h 45mBritish Airways

Mon 22/915:45INV - PDX

2 stops39h 19mBritish Airways

Deal found 21/4£460

Sun 24/816:00SEA - EDI

1 stop18h 10mScandinavian Airlines

Mon 1/919:45EDI - SEA

2 stops50h 05mScandinavian Airlines

Deal found 21/4£477

Mon 11/817:40SEA - INV

1 stop20h 35mAir France

Wed 20/806:25INV - SEA

1 stop17h 30mAir France

Deal found 22/4£500

Tue 30/914:15PDX - GLA

2 stops24h 45mLufthansa

Wed 15/1006:10GLA - PDX

2 stops20h 36mLufthansa

Deal found 21/4£523

Sun 5/1012:55PDX - GLA

1 stop19h 15mDelta

Thu 16/1008:55GLA - PDX

1 stop34h 10mDelta

Deal found 21/4£528

Wed 1/1017:20PDX - GLA

2 stops14h 50mKLM

Wed 15/1006:00GLA - PDX

1 stop13h 20mKLM

Deal found 20/4£529

Fri 3/1019:40PDX - EDI

2 stops51h 40mAir Canada

Tue 14/1009:00EDI - PDX

2 stops35h 43mAir Canada

Deal found 21/4£549

Thu 31/713:45PDX - EDI

2 stops35h 20mWestJet

Tue 26/811:30EDI - PDX

2 stops33h 22mWestJet

Deal found 20/4£550

Tue 2/908:15PDX - EDI

1 stop18h 20mUnited Airlines

Thu 11/909:00EDI - PDX

2 stops38h 05mUnited Airlines

Deal found 21/4£551

Last-minute flights from Washington to Scotland
Discover last-minute flight deals from Washington to Scotland. Data last updated 22 April 2025 and is based on user searches.

Mon 28/419:25PDX - GLA

1 stop13h 20mBritish Airways

Wed 7/505:50GLA - PDX

1 stop19h 45mBritish Airways

Deal found 20/4£590

Mon 28/406:00PDX - GLA

2 stops18h 10mKLM

Wed 7/506:00GLA - PDX

1 stop13h 20mKLM

Deal found 20/4£611

Mon 28/419:10SEA - EDI

1 stop30h 25mTurkish Airlines

Thu 10/710:35EDI - SEA

1 stop38h 40mTurkish Airlines

Deal found 21/4£754

Thu 1/513:30SEA - GLA

1 stop12h 45mAmerican Airlines

Fri 16/507:00GLA - SEA

1 stop12h 35mAmerican Airlines

Deal found 21/4£658

Thu 1/519:00SEA - EDI

2 stops15h 00mMultiple Airlines

Mon 5/512:30EDI - SEA

3 stops41h 43mMultiple Airlines

Deal found 21/4£666

Thu 1/513:35SEA - GLA

2 stops19h 55mBritish Airways

Fri 16/508:55GLA - SEA

2 stops22h 14mBritish Airways

Deal found 21/4£669

Thu 1/511:02PDX - EDI

3 stops27h 33mMultiple Airlines

Tue 6/507:40EDI - PDX

3 stops39h 00mMultiple Airlines

Deal found 21/4£671

Thu 1/514:15SEA - GLA

2 stops24h 50mLufthansa

Fri 16/506:10GLA - SEA

1 stop14h 15mLufthansa

Deal found 21/4£684

Thu 1/513:30SEA - EDI

1 stop12h 50mBritish Airways

Mon 5/519:35EDI - SEA

1 stop23h 35mBritish Airways

Deal found 21/4£731

Fri 2/513:57PDX - INV

2 stops22h 13mBritish Airways

Fri 9/510:25INV - PDX

1 stop15h 10mBritish Airways

Deal found 20/4£557

Fri 2/506:50PDX - EDI

1 stop19h 45mUnited Airlines

Tue 6/509:00EDI - PDX

2 stops35h 39mUnited Airlines

Deal found 21/4£716

Fri 2/510:00PDX - INV

3 stops26h 15mMultiple Airlines

Fri 9/507:00INV - PDX

3 stops41h 45mMultiple Airlines

Deal found 20/4£881

One-way flights from Washington to Scotland
Search for one-way flight options from Washington to Scotland. Find affordable one-way fares based on user searches. Data last updated 22 April 2025.

Sun 11/515:20PDX - GLA

1 stop14h 05mIcelandair

Deal found 22/4£209

Tue 29/715:45SEA - EDI

2 stops22h 05mMultiple Airlines

Deal found 21/4£217

Fri 8/807:05SEA - EDI

2 stops19h 00mWestJet

Deal found 21/4£223

Sun 27/419:00SEA - GLA

1 stop10h 25mIcelandair

Deal found 21/4£229

Mon 16/615:25PDX - EDI

3 stops34h 40mMultiple Airlines

Deal found 21/4£249

Thu 3/713:45PDX - EDI

3 stops35h 20mWestJet

Deal found 21/4£293

Wed 20/812:21PDX - EDI

1 stop13h 49mJetBlue

Deal found 21/4£302

Tue 29/711:30SEA - EDI

1 stop14h 40mJetBlue

Deal found 21/4£302

Mon 18/816:00SEA - EDI

1 stop13h 05mScandinavian Airlines

Deal found 22/4£303

Sun 11/511:14PDX - GLA

2 stops19h 26mBritish Airways

Deal found 21/4£311

Sun 27/419:00SEA - GLA

2 stops29h 15mMultiple Airlines

Deal found 21/4£316

Thu 18/910:00PDX - GLA

3 stops28h 20mMultiple Airlines

Deal found 20/4£324

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Scotland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 2/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Sun 19/10

14:20-17:55

1 stop11h 35m

£437

PortlandInverness

PDX - INV

PDXINV

Portland

Fri 12/9

19:25-20:10

1 stop16h 45m

Inverness

Wed 24/9

10:30-17:35

1 stop15h 05m

£442

PortlandInverness

PDX - INV

PDXINV

Portland

Fri 12/9

19:25-20:10

1 stop16h 45m

Inverness

Sun 21/9

20:55-17:35

1 stop28h 40m

£458

PortlandInverness

PDX - INV

PDXINV

Portland

Fri 12/9

10:25-20:10

2 stops25h 45m

Inverness

Mon 22/9

15:45-23:04

2 stops39h 19m

£460

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 8/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Wed 22/10

14:20-17:50

1 stop11h 30m

£477

SeattleEdinburgh

SEA - EDI

SEAEDI

Seattle/Tacoma Intl

Sun 24/8

16:00-18:10

1 stop18h 10m

Edinburgh Turnhouse

Mon 1/9

19:45-13:50

2 stops50h 05m

£477

SeattleInverness

SEA - INV

SEAINV

Seattle/Tacoma Intl

Mon 11/8

10:46-15:00

2 stops20h 14m

Inverness

Wed 20/8

15:40-11:35

1 stop27h 55m

£483

SeattleInverness

SEA - INV

SEAINV

Seattle/Tacoma Intl

Mon 11/8

10:46-15:00

2 stops20h 14m

Inverness

Wed 20/8

15:40-21:40

2 stops38h 00m

£491

SeattleInverness

SEA - INV

SEAINV

Seattle/Tacoma Intl

Mon 11/8

17:40-22:15

1 stop20h 35m

Inverness

Wed 20/8

06:25-15:55

1 stop17h 30m

£500

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 1/10

19:25-17:50

1 stop14h 25m

Glasgow Intl

Wed 8/10

08:40-17:35

1 stop16h 55m

£505

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 60 results

...

Best time to book a flight from Washington to Scotland

Have a flexible travel schedule? Discover the best time to fly to Scotland from Washington with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Scotland

What is the cheapest month to book a flight from State of Washington to Scotland?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Scotland (average of £78). Flying from State of Washington to Scotland in June is currently the most expensive (average of £105). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to SCT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Scotland as you normally would.

Rainfall in Scotland by month

In terms of precipitation, rainfall in Scotland ranges from 30.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. April is typically the driest time to visit Scotland when rainfall is around 30.0 mm.

Temperature in Scotland by month

If weather is an important factor for your trip to Scotland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 15.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Scotland

See what other customers who have flown with Delta, KLM and Finnair from Washington to Scotland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,920 reviews

Delta

8.0

Very Good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,331 reviews

Delta

8.0

Very Good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,272 reviews

Delta

8.0

Very Good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,441 reviews

Delta

8.0

Very Good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,684 reviews

Delta

8.0

Very Good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from State of Washington to Scotland one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £209. WestJet flights start at £223 while deals on JetBlue start at £302 one-way.
Can I find deals for flights from Washington to Scotland that include hotel bookings?
Yes. In addition to deals on Washington to Scotland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington to Scotland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Scotland.
Can I find deals for business class flights from Washington to Scotland?
Yes. Cheapflights offers flight deals from Washington to Scotland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from State of Washington to Scotland?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Scotland (average of £78). Flying from State of Washington to Scotland in June is currently the most expensive (average of £105). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington to Scotland

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

John F Kennedy Intl to Gatwick flights

John F Kennedy Intl to London City flights

Los Angeles to Heathrow flights

Newark to Gatwick flights

Dulles Intl to Heathrow flights

Boston to Heathrow flights

O'Hare Intl to Heathrow flights

LaGuardia to Heathrow flights

San Francisco to Heathrow flights

Seattle to Heathrow flights

Baltimore to Heathrow flights

LaGuardia to Gatwick flights

Dallas/Fort Worth to Heathrow flights

Newark to London City flights

John F Kennedy Intl to Stansted flights

Boston to Gatwick flights

Atlanta to Heathrow flights

Orlando to Heathrow flights

Miami to Heathrow flights

Stewart to Stansted flights

Denver to Heathrow flights

O'Hare Intl to Gatwick flights

Dulles Intl to Gatwick flights

Newark to Edinburgh flights

Newark to Stansted flights

John F Kennedy Intl to Edinburgh flights

Reagan-National to Heathrow flights

Boston to London City flights

O'Hare Intl to London City flights

Hobby to Heathrow flights

Dulles Intl to London City flights

Los Angeles to London City flights

Baltimore to Gatwick flights

Philadelphia to Heathrow flights

Los Angeles to Gatwick flights

Seattle to Gatwick flights

Sky Harbor Intl to Heathrow flights

Reagan-National to Gatwick flights

Tampa to Heathrow flights

San Francisco to Gatwick flights

Minneapolis to Heathrow flights

Orlando to Gatwick flights

Portland to Heathrow flights

San Francisco to London City flights

Raleigh to Heathrow flights

George Bush Intcntl to Heathrow flights

Detroit to Heathrow flights

Complete your trip

Scotland car hire

Glasgow Intl Airport car hire

Aberdeen Dyce Airport car hire

Lerwick Sumburgh Airport car hire

Isle of Islay Glenegedale Airport car hire

Isle of Tiree Airport car hire

Sanday Airport car hire

Direct flights to United Kingdom

Top 2 airlines flying from Washington to Scotland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£418	Average£543	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£440	Average£573	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Washington to Scotland?

When you search for this flight from Washington to Scotland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Washington to Scotland?

Cheapflights simply makes it quick and affordable to book flights from Washington to Scotland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington to Scotland with no change fees?

Need flexible booking options for your flight to Scotland from Washington? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington to Scotland become cheaper?

Not ready to book yet? You can track prices for flights from Washington to Scotland on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Washington to Scotland from £209

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Scotland

Keep the following information in mind while searching for Washington to Scotland flight deals. Data was last updated 22 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Scotland

Cheapest flights from Washington to ScotlandExplore the most affordable flight options available from Washington to Scotland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.

Explore the most affordable flight options available from Washington to Scotland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Scotland that are best for you.

Best time to book a flight from Washington to Scotland

Have a flexible travel schedule? Discover the best time to fly to Scotland from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Scotland

What is the cheapest month to book a flight from State of Washington to Scotland?

What is the cheapest time of day to fly from WA to SCT?

Find hourly flight availability from Washington to Scotland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 April 2025.

Rainfall in Scotland by month

Plan your trip to Scotland by taking into account the average rainfall totals by month.

Temperature in Scotland by month

Plan your trip to Scotland by taking into account the average temperature totals by month.

Reviews of airlines servicing Scotland

See what other customers who have flown with Delta, KLM and Finnair from Washington to Scotland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington to Scotland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from State of Washington to Scotland one-way?

Can I find deals for flights from Washington to Scotland that include hotel bookings?

How can I find direct flights from Washington to Scotland?

Can I find deals for business class flights from Washington to Scotland?

What is the cheapest month to book a flight from State of Washington to Scotland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Scotland

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington to Scotland

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington to Scotland?

Why should you use Cheapflights to find cheap flight tickets from Washington to Scotland?

Can Cheapflights find flights from Washington to Scotland with no change fees?

Can Cheapflights notify me if prices for flights from Washington to Scotland become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington to Scotland
Explore the most affordable flight options available from Washington to Scotland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.