Dulles Intl

$139+ Cheap flights from Long Beach (LGB) to Dulles Intl (IAD)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — IAD
Jul 8 — Jul 151
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Cheap flight deals from Long Beach to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Long Beach (LGB) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$317
(Delta)

One-way from

$139
(Southwest)

Popular in

November

Cheapest in

October

Average price

$504
From Long Beach Municipal to Washington, D.C. Dulles Intl
One-way flight from Long Beach Municipal to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 20% potential increase in price ($116 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Long Beach to Dulles Intl

Cheapest flights from Long Beach to Dulles Intl
Explore the most affordable flight options available from Long Beach to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:15 pmLGB - IAD
1 stop7h 17mDelta
Wed 9/177:05 amIAD - LGB
1 stop8h 10mDelta
Deal found 7/1$317
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:20 amLGB - IAD
1 stop6h 30mSouthwest
Wed 8/62:25 pmIAD - LGB
1 stop8h 55mSouthwest
Deal found 7/2$327

Cheapflights Fare Finder

Customize your flight search to find flights from Long Beach to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Long Beach to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Long Beach

Fly to

Dulles Intl

Route

Depart

Return

Price

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Sat 8/30

1:15 pm-11:32 pm

1 stop7h 17m

Washington, D.C. Dulles Intl

Tue 9/2

7:30 am-12:12 pm

1 stop7h 42m

$317

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 7/30

7:20 am-4:50 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Wed 8/6

2:25 pm-8:20 pm

1 stop8h 55m

$327

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Sat 8/30

1:10 pm-10:50 pm

1 stop6h 40m

$139

Long BeachWashington, D.C.

LGB - IAD

LGBIAD

Long Beach Municipal

Wed 9/24

1:15 pm-11:33 pm

1 stop7h 18m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Long Beach to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Long Beach with our price prediction graph.
Estimated round-trip 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 Long Beach to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Long Beach to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Long Beach to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Long Beach to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 LGB to IAD?

Find hourly flight availability from Long Beach to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Long Beach to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 1% on airfare.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Long Beach to Washington, D.C. Dulles Intl Airport. 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.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Long Beach to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Long Beach to Washington, D.C. Dulles Intl?

    Most people fly from Long Beach Municipal (LGB) if they book a flight from Long Beach to Washington, D.C. Dulles Intl. On average, Long Beach Municipal has 0 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Long Beach Municipal is conveniently located just 4.1 mi from Long Beach’s city center.

  • What are the cheapest airlines flying from Long Beach to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $317, Delta will fly you from Long Beach to Washington, D.C. Dulles Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Southwest for as low as $327. Delta is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Long Beach to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $139. Delta flights start at $159 while deals on Alaska Airlines start at $436 one-way.

  • Can I find deals for flights from Long Beach to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Long Beach to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Long Beach to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Long Beach to Dulles Intl.

  • Can I find deals for business class flights from Long Beach to Dulles Intl?

    Yes. Cheapflights offers flight deals from Long Beach to Dulles Intl 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 Long Beach to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Long Beach to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Long Beach to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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

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Alternative routes for Long Beach to Dulles Intl

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

Top airline flying from Long Beach to Dulles Intl

Discover the top airline that operate flights from Long Beach to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$207Average$371FlexibilityNo cancel feeOn-time63%

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