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Dulles Intl

$308+ Cheap flights from Springfield, IL (SPI) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — IAD
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheap flight deals from Springfield to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Springfield (SPI) 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 June 14, 2025.

Round-trip from

$499
(American Airlines)

One-way from

$308
(American Airlines)

Popular in

June

Cheapest in

December

Average price

$665
From Springfield Capital to Washington, D.C. Dulles Intl
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One-way flight from Springfield Capital to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Springfield to Dulles Intl

Cheapest flights from Springfield to Dulles Intl
Explore the most affordable flight options available from Springfield to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:14 pmSPI - IAD
2 stops9h 44mAmerican Airlines
Sun 8/36:35 amIAD - SPI
2 stops7h 09mAmerican Airlines
Deal found 6/12$499

Cheapflights Fare Finder

Customize your flight search to find flights from Springfield 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 June 14, 2025.
Use the filters below to find and compare flights from Springfield to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Springfield

Fly to

Dulles Intl

Route

Depart

Return

Price

SpringfieldWashington, D.C.

SPI - IAD

SPIIAD

Springfield Capital

Thu 7/31

1:14 pm-11:58 pm

2 stops9h 44m

Washington, D.C. Dulles Intl

Sun 8/3

6:35 am-12:44 pm

2 stops7h 09m

$499

SpringfieldWashington, D.C.

SPI - IAD

SPIIAD

Springfield Capital

Mon 7/28

6:36 pm-10:59 am

2 stops15h 23m

$308

SpringfieldWashington, D.C.

SPI - IAD

SPIIAD

Springfield Capital

Wed 6/25

9:25 am-11:26 am

3 stops25h 01m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Springfield to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Springfield 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 Springfield to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Springfield, Illinois to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 14, 2025.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Springfield 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 Springfield to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Springfield, you will be flying from Capital, which is the city’s only airport. Springfield Capital (SPI) is located 3.4 mi from the center of Springfield. There are 0 flights from Capital to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Springfield, Illinois to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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

Traveling to a place near Springfield?

Book flights to Springfield if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
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Fairfax
Falls Church
Easton
Herndon
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Sterling
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Reston
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Springfield
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