How do I get Price Alerts for flights from London Luton Airport to State of Washington?

Confirm your travel details to search for the latest offers for flights from London Luton Airport to State of Washington . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

How old do you have to be to fly from London Luton Airport to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Luton Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£338 Cheap Flights from London Luton Airport to State of Washington in 2026

1 adult

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Find the cheapest flights from London Luton Airport to Washington

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:25 - 11:45

LTN

SEA

34h 20m

2 stops

15:40 - 23:25

SEA

LTN

23h 45m

2 stops

£482Multiple Airlines

Thu, 21 May - Thu, 28 May

09:25 - 11:45

LTN

SEA

34h 20m

2 stops

15:40 - 23:25

SEA

LTN

23h 45m

2 stops

£487Multiple Airlines

Thu, 21 May - Thu, 28 May

11:00 - 17:10

LTN

SEA

14h 10m

1 stop

19:10 - 21:40

SEA

LTN

18h 30m

1 stop

£547Multiple Airlines

Sat, 16 May - Sun, 24 May

06:20 - 17:10

LTN

SEA

18h 50m

1 stop

19:10 - 17:25

SEA

LTN

14h 15m

1 stop

£548Multiple Airlines

Fri, 12 Jun - Fri, 19 Jun

06:15 - 17:10

LTN

SEA

18h 55m

1 stop

19:10 - 21:15

SEA

LTN

18h 05m

1 stop

£564Multiple Airlines

Wed, 17 Jun - Wed, 24 Jun

17:10 - 13:45

LTN

SEA

28h 35m

3 stops

15:55 - 00:30

SEA

LTN

24h 35m

3 stops

£574Multiple Airlines

Fri, 22 May - Fri, 29 May

09:25 - 17:10

LTN

SEA

15h 45m

1 stop

19:10 - 16:45

SEA

LTN

13h 35m

1 stop

£578Multiple Airlines

Thu, 21 May - Thu, 28 May

09:25 - 17:10

LTN

SEA

15h 45m

1 stop

19:10 - 16:45

SEA

LTN

13h 35m

1 stop

£581Multiple Airlines

Thu, 21 May - Thu, 28 May

09:25 - 17:10

LTN

SEA

15h 45m

1 stop

19:10 - 16:45

SEA

LTN

13h 35m

1 stop

£582Multiple Airlines

Thu, 21 May - Thu, 28 May

06:20 - 17:10

LTN

SEA

18h 50m

1 stop

19:10 - 17:25

SEA

LTN

14h 15m

1 stop

£587Multiple Airlines

Fri, 22 May - Fri, 29 May

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 21/5

09:25-11:45

2 stops34h 20m

Seattle/Tacoma Intl

Thu 28/5

15:40-23:25

2 stops23h 45m

£482

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 21/5

09:25-11:45

2 stops34h 20m

Seattle/Tacoma Intl

Thu 28/5

15:40-23:25

2 stops23h 45m

£487

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 16/5

11:00-17:10

1 stop14h 10m

Seattle/Tacoma Intl

Sun 24/5

19:10-21:40

1 stop18h 30m

£547

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Fri 12/6

06:20-17:10

1 stop18h 50m

Seattle/Tacoma Intl

Fri 19/6

19:10-17:25

1 stop14h 15m

£548

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 17/6

06:15-17:10

1 stop18h 55m

Seattle/Tacoma Intl

Wed 24/6

19:10-21:15

1 stop18h 05m

£564

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Fri 22/5

17:10-13:45

3 stops28h 35m

Seattle/Tacoma Intl

Fri 29/5

15:55-00:30

3 stops24h 35m

£574

Fastest return journey

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 21/5

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Thu 28/5

19:10-16:45

1 stop13h 35m

£578

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 21/5

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Thu 28/5

19:10-16:45

1 stop13h 35m

£581

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 21/5

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Thu 28/5

19:10-16:45

1 stop13h 35m

£582

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Fri 22/5

06:20-17:10

1 stop18h 50m

Seattle/Tacoma Intl

Fri 29/5

19:10-17:25

1 stop14h 15m

£587

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap London Luton Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Luton Airport to State of Washington

Fastest flight time	15h 45m
Direct flights	None

The fastest flight from London Luton Airport to State of Washington takes 15h 45m

There are no direct flights from London Luton Airport to State of Washington. There are no popular flight routes from London Luton Airport to State of Washington.

Search flight deals

Frequently asked questions about flying from London Luton Airport to Washington

When did momondo last update prices for flights from London Luton Airport to Washington?
Prices for flights from London Luton Airport to Washington refresh daily.
How old do you have to be to fly from London Luton Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Luton Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from London Luton Airport to Washington

How do I get Price Alerts for flights from London Luton Airport to State of Washington?
Confirm your travel details to search for the latest offers for flights from London Luton Airport to State of Washington. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from London Luton Airport to State of Washington with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Washington . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from London with this policy.

How can momondo help me find flights from London to Washington?

Once all potential London to Washington 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 London to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.