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$89+ Cheap flights from Dulles Intl (IAD) to Belize

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZE
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Dulles Intl to Belize

Keep the following information in mind while searching for Dulles Intl to Belize flight deals. Data was last updated August 18, 2025.

Round-trip from

$287
(United Airlines)

One-way from

$89
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$370
From Washington, D.C. Dulles Intl to Belize
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One-way flight from Washington, D.C. Dulles Intl to Belize
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Highest demand for flights based on searches. 20% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Belize

Cheapest flights from Dulles Intl to Belize
Explore the most affordable flight options available from Dulles Intl to Belize. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amIAD - BZE
1 stop7h 35mUnited Airlines
Sun 9/212:35 pmBZE - IAD
1 stop18h 53mUnited Airlines
Deal found 8/17$287
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:10 pmIAD - BZE
1 stop17h 22mUnited Airlines
Tue 11/41:18 pmBZE - IAD
1 stop7h 54mUnited Airlines
Deal found 8/17$289
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:25 amIAD - BZE
1 stop16h 03mCopa Airlines
Tue 9/165:32 pmBZE - IAD
1 stop8h 48mCopa Airlines
Deal found 8/17$292
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:22 amIAD - BZE
1 stop9h 06mCopa Airlines
Tue 12/25:24 pmBZE - IAD
1 stop8h 58mCopa Airlines
Deal found 8/17$302
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:25 amIAD - BZE
1 stop16h 03mCopa Airlines
Tue 9/235:32 pmBZE - IAD
1 stop19h 33mCopa Airlines
Deal found 8/17$309
This Delta deal was found by Cheapflights users on 8/17. 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.
Mon 10/276:00 amIAD - BZE
1 stop7h 25mDelta
Fri 10/3112:40 pmBZE - IAD
1 stop8h 38mDelta
Deal found 8/17$314
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:34 pmIAD - BZE
1 stop25h 54mCopa Airlines
Tue 9/305:32 pmBZE - IAD
1 stop8h 48mCopa Airlines
Deal found 8/17$316
This Copa Airlines deal was found by Cheapflights users on 8/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:25 amIAD - BZE
1 stop16h 03mCopa Airlines
Tue 10/75:24 pmBZE - IAD
1 stop8h 56mCopa Airlines
Deal found 8/15$317
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/97:21 pmIAD - BZE
2 stops19h 11mAmerican Airlines
Tue 9/161:32 pmBZE - IAD
2 stops18h 35mAmerican Airlines
Deal found 8/17$318
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:34 pmIAD - BZE
1 stop25h 54mCopa Airlines
Tue 9/165:32 pmBZE - IAD
1 stop8h 48mCopa Airlines
Deal found 8/17$322
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:35 amIAD - BZE
1 stop8h 53mCopa Airlines
Tue 9/235:32 pmBZE - IAD
1 stop19h 33mCopa Airlines
Deal found 8/17$326

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Belize 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 August 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Belize that are best for you.

Fly from

Dulles Intl

Fly to

Belize

Route

Depart

Return

Price

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sun 9/14

6:00 am-11:35 am

1 stop7h 35m

Belize City Philip S.W.Goldson

Sun 9/21

2:35 pm-11:28 am

1 stop18h 53m

$287

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Tue 10/28

10:10 pm-1:32 pm

1 stop17h 22m

Belize City Philip S.W.Goldson

Tue 11/4

1:18 pm-10:12 pm

1 stop7h 54m

$289

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 9/8

2:25 am-4:28 pm

1 stop16h 03m

Belize City Philip S.W.Goldson

Tue 9/16

5:32 pm-4:20 am

1 stop8h 48m

$292

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 9/22

2:25 am-4:28 pm

1 stop16h 03m

Belize City Philip S.W.Goldson

Tue 9/30

5:32 pm-4:20 am

1 stop8h 48m

$292

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Fri 9/26

9:35 am-4:28 pm

1 stop8h 53m

Belize City Philip S.W.Goldson

Tue 9/30

5:32 pm-4:20 am

1 stop8h 48m

$292

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Tue 11/25

8:22 am-4:28 pm

1 stop9h 06m

Belize City Philip S.W.Goldson

Tue 12/2

5:24 pm-3:22 am

1 stop8h 58m

$302

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 9/15

2:25 am-4:28 pm

1 stop16h 03m

Belize City Philip S.W.Goldson

Tue 9/23

5:32 pm-3:05 pm

1 stop19h 33m

$309

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-12:43 pm

1 stop7h 43m

Belize City Philip S.W.Goldson

Thu 11/13

2:08 pm-12:07 am

1 stop8h 59m

$314

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Tue 1/13

6:30 am-3:14 pm

1 stop9h 44m

Belize City Philip S.W.Goldson

Tue 1/20

4:45 pm-8:41 am

1 stop14h 56m

$314

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 1/21

6:00 am-12:15 pm

1 stop7h 15m

Belize City Philip S.W.Goldson

Wed 1/28

1:40 pm-10:57 pm

1 stop8h 17m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 18 results
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Best time to book a flight from Dulles Intl to Belize

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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belize (average of $363). Flying from Washington, D.C. Dulles Intl Airport to Belize in March is currently the most expensive (average of $653). 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 IAD to BZ?

Find hourly flight availability from Dulles Intl to Belize. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Belize, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Belize

Get insights into the airlines that provide service to Belize. 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 Belize. Reviews last updated August 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Belize to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Belize?

    While some choose either Washington, D.C. Dulles Intl - Belmopan or Washington, D.C. Dulles Intl - Placencia, Washington, D.C. Dulles Intl - Belize City Philip S.W.Goldson is the most popular route from Washington, D.C. Dulles Intl Airport to Belize.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belize (average of $363). Flying from Washington, D.C. Dulles Intl Airport to Belize in March is currently the most expensive (average of $653). 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 Dulles Intl to Belize

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Belize

Discover the top 3 airlines that operate flights from Dulles Intl to Belize. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$434FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$503FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$363Average$474FlexibilityNo cancel feeOn-time71%

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